Marble, granite dry construction
1 scope
The technology standard is applicable to industrial and civil construction projects inside and outside act the role of dry hanging panel process.
This process is the use of corrosion resistance of bolts and corrosion resistance of the flexible connectors, such as marble, granite facing dry hanging stone material in the outer surface of the building structure, stone material and structure between set aside 40 ~ 50 mm cavity, its structure as shown in figure 9-7.
Made of the process finish, in under the action of wind and earthquake force allowed to produce the right amount of deflection, to absorb part of the wind and seismic force, and does not appear crack and fall off. When wind and earthquake force disappears, stone material and reset according to the structure. Compared with the traditional wet operation process, the process from the grouting process, can shorten the construction period, reduce the building self-respect, to improve the seismic performance, more important is to effectively prevent the salinity in the grouting pigment infiltration pollution of stone material, improve the quality of the decoration and visual effect. In addition, due to seasonal outdoor temperature changes caused by outside facing swell-shrink deformation, make the veneer may fall off, this technology can effectively prevent the happening of the panels off injuries. The dry pendant panel installation process also with glass curtain wall or large glass Windows, metal panels and other supporting application installation process. Now the domestic many large public buildings the stone material of inside and outside decoration panel installation project adopts the dry-hanging process has become increasingly common.
2 construction preparation
2.1 material requirements:
2.1.1 stone: according to the design requirements, determine the varieties of stone material, color, pattern and size, and strictly control, check for bending. Tensile and compressive strength, bibulous rate, such as resistance to freezing and thawing cycle performance.
2.1.2: synthetic resin adhesive used to flexible paste the stone on the back of the backing material, requirements with waterproof and aging resistance.
2.1.3 glass fiber grid cloth, stone material backing material.
2.1.4 waterproof cement: used for sealing fittings.
2.1.5 antifouling strip: used for stone edge to prevent pollution.
2.1.6 sealing paste: used for embedded fill stone seams.
2.1.7 finish coating: used for marble surface weathering, pollution prevention.
2.1.8 expansion bolts, link iron, stainless steel and iron plate, washer, nut and skeleton with fixed all sorts of design and installation of fittings you need quality, must conform to the requirements.
2.2 the main equipment:
2.1 bench drill, no tooth cutting saw, impact drill, drill, torque wrench, open end wrench, caulking gun, long special trolleys, tape measure, ruler, hammers, various shapes of steel chisel, on foot, aluminum level, meters, multi-purpose knife, scissors and jointing the valve. Galvanized iron wire, spring wire with chalk line package, ink fountain, small white line, broom, shovels, surgery, grey tank, ash bucket, tool bag, gloves and red pencil.
2.3 operation conditions:
2.3.1 check stone material quality, specification, type, quantity, mechanical properties and physical performance meets the design requirements, and surface processing work.
2.3.2 erection of double row processing frame structure at the grass-roots level, and make a good record of implicit preview, qualified rear can install process.
2.3.3 water and electricity and equipment, the reserved embedded parts has been installed on the wall. Vertical transportation tools are ready in advance.
2.3.4 outside doors and Windows has been installed, installation quality meets the requirements.
2.3.5 construction personnel for technical disclosure, should emphasize technical measures, quality requirements and finished product protection, especially the shelf dismantled, shall not impact the completed product. Large area before construction should do first sample, after quality inspection departments qualified, can organize team construction.
3 operation process
3.1 process:
Reception, : 3.2 site to designated persons responsible for the management, carefully check the specifications of the material, the model is correct, and whether the order material, found that the stone color is obviously not consistent, to be packed separately, in order to return them to factory, if there is any crack, lack of edge Angle, reoccupy after repair, serious may not be used. Also note stone yard to consolidate, pad 10 cm by 10 cm long wood, make its more than 8 cm above the ground, the wood on the best nail on rubber strip, stone by 75 ° up put leans on special steel, between each stone will be separated with plastic film by tightly packed, prevent sticking together and tilt.
To clean up the structure and surface structure on the vertical line, large Angle and two vertical wire
Site receiving - > - > horizontal position
And stone material hole and back face brush glue to stick a flexible strengthening material,
- the bottom plate bracket to the bottom plate is placed in the positioning, adjusting and fixed to infuse M20 cement mortar, temporarily
Set a drain - structure and insert the retaining bolt drilling to set fixed stainless steel pieces, filled with adhesive on the lower wall hole - >
Insert connection steel needle - the adhesive into the upper wall of hole to temporary fixed upper wall plate, under drilling and insert the bolts
With fixed pieces to set the top wall plate, stainless steel panel joint sealant to finish brush finish agent on the second floor
3.3 stone material preparation: first use colorimetric method to choose the color of the stone material classification; Installed on the same stone color below should be consistent, and according to the size and design requirements, the special die fixed on the bench drill, to cut stone. Vertical, in order to ensure accurate placement to nail a shape slab brackets, make the stone on the bracket, to punch surface with vertical drill bits, make the hole forming accuracy, hole deeply 20 mm, the aperture is 5 mm, bit is 4.5 mm. Then brush unsaturated resin adhesive on the back of the stone material, mainly adopts a cloth two glue, cloth as non-alkali fiberglass cloth, untwisted 24 purpose, SLATE before brush glue again, to write the number on the SLATE, and the floating dust and noise pollution on the SLATE clean, such as saws, iron rust is cut off, get rid of it with the steel wire brush, coarse sand paper brush glue again and glue to increases with the increasing use, prevent wasteful after curing. Pay attention to the marginal place must brush is good, especially the punching parts is a weak area, must brush that cloth covered, brush head through the gum, when the shop is stuck glass fiber grid cloth from side out flat with the brush again and again, play two glue again after paving, brush touch glue not too much, to prevent the flow to the small stone material surface, bring sealing difficulties, occurrence quality problem.
3.4 basic preparation: clean it facing the structure of the stone surface, at the same time hanging straight, set square, find rules, pop-up vertical line and horizontal line. And according to the design drawings and the actual need to pop up the location of the installation of stone line and line of the block.
Hang line 3.5: according to the requirements of design drawings, stone material to play the big Angle with theodolite in advance before installation on the surface of the two vertical line and the best play in the position of the large Angle of 20 cm, in order to check the accuracy of the vertical line at any time, to ensure smooth installation. Appropriate USES vertical hanging line from 1.0 ~ 1.2 of steel wire is good, under heavy iron with height, average below 40 m high heavy iron for 8 ~ 10 kg weight, the upper hanging on a dedicated line Angle steel shelves, Angle steel frame with bolts at the top of the building of large Angle, must hang in solid, accurate, not easy to touch, and pay attention to the protection and check regularly. And make mark in the upper and lower control line.
3.6 the bottom panels bracket: the processed in advance on the bracket according to the main line above the bottom slab of the to be installed. Bracket to support strong, good to connect with each other, also can and rack together, stent after ok, along the direction of bracket, PuTong long 50 mm thick wooden board flowing in the same horizontal plane, to ensure that the stone on the following in the same horizontal plane.
3.7 cut holes in the RC retaining structure, the expansion bolt: play the structure surface is horizontal, according to the design drawings and stone material hole position, accurate plays on the wall retaining structure and the tag, and then press punch, punch can use percussion drill, phi 12.5 drill bit, on when drilling with sharp chisel in advance to play a good point a point, and then use drill holes, hole deep in the 60 ~ 80 mm, if encounter in the structure of steel, can be holes in horizontal direction or raise up, to connect iron using adjustable cushion and back again. Pore forming requirements and structure surface vertical, into the hole after hole ash powder with a small hook scoop out, put bolts, this layer should be required for all bolts in place.
3.8 connected iron: for the stainless steel bolt design Angle steel peace. Adjust the position of the flat steel plate made of flat steel plate for coincided with SLATE insertion hole, fixed flat steel plate, with a torque wrench screw.
3.9 bottom slab installation: connect the side of iron is ok, you can put the bottom panel on a corner in place. Method is to use the fixture fixed temporarily, slab side hole apply glue first, adjust the iron, fixed steel needle, fixed adjustments panel. In order to install the bottom panel, bottom panel, after all is in place to check whether the board level in a line, such as rough to adjust; Low wedge cushion flat available; High can appropriate exit point chock, gently flowing back to panel on a level; Adjust panel of horizontal and vertical degree, first check plate seam, plate seam width should be according to the requirements of design, uniform plate seam, will be liner joints embedded tight, sealing height more than 25 cm. By use of 1:2.5 prepared with white cement mortar, fill in the bottom panel 20 cm high, mortar on the surface of the drain.
3.10 apply glue and plug connection steel slab on hole: 1:1.5 white cement into the epoxy resin curing agent, promoter, with a small stick together, with a stick with good glue into the hole, then connect long 40 mm phi 4 steel insert until the panel hole on the plate, the steel needle check it before any scars, length whether meet the requirements, to ensure that the vertical steel before installation.
Fixed: adjust 3.11 after temporarily fixed panel, adjust the levelness, such as panel fluently, can be connected under the bottom end of the mouth of the flat steel plate on a corresponding double stranded wire MATS, if the copper wire, can use small hammer smashed, if high, can put the other end of the mouth with the above method mat. Adjust the vertical degree, and adjust the panel perceptible gap away from the wall of the stainless steel fittings, vertical until the panel.
Plate installation: 3.12 at the top of the panel at the top of the last level, except in accordance with the requirements of general stone installation, to install in the cracks of the structure and the slab hanging a length of 20 mm thick batten, batten on the flat for slab on top of the 250 mm, lifting point can be connected in iron, galvanized iron wire can be used wood, wood crane, namely in the slab and the space between the wall plug put polystyrene board, polystyrene is slightly wide strip in space, in order to fill, prevent leak slurry grouting, honeycomb, holes, etc., caused by grouting to 20 mm slab under the mouth for the use of coping cover plate.
Article 3.13 stick anti-fouling, sealing: along the panel edge article anti-fouling, should choose 4 cm tape adhesive tape, the edge must be tightly stick together, stick, gaps between marble slabs embedded elastic back liner, back liner can also be used 8 mm thick high even foamed sheet cut into article 10 mm wide, backing a good embedded within 5 mm, decorate a face after the final article in backing the external use neutral silicone into the seam caulking gun, glue the strength should be both, when go to gun steady and slow. Such as rubber surface is not smooth, can use stainless steel small spoon, leveling with small spoon to use clean, embed the underlying flagstones, be careful not to block water pipe. According to the stone color can be a suitable amount of mineral pigments are added into the adhesive.
3.14 clean up the surface of marble, granite, brush finish agent: article of marble, granite surface antifouling torn off, with cotton silk SLATE rub-up, if you have any glue or other adhesive strong sundry, available operation gently wipe out, wipe with cotton silk with acetone to clean. Before brush finish agent construction, we should master and know the weather trend, rainy and windy day 4 class above shall not be construction, to prevent pollution of the film; In winter and the rainy season in the shelter condition good indoor operation, brush on the plate. According to the mixture ratio in half an hour before the brush finish agent for good, pay attention to the difference between primers and paint, the best operation in stages. Cover a finishing agent to stir, to prevent the film
When inequality. Brush besmear to brush to use 3 in wool, stained with paint shoulds not be too much, to prevent the flow, less as far as possible back to brush, in order to avoid a brush marks, no bubble, no leakage brush, brush smooth glossy.
3.15 can be reference in the process of metal panels installation of fixed matrix method, for marble, granite panels, such as dry hanging technology on the structure of the connection method of construction, especially the indoor dry pendant panel installation process.
4 quality standards
4.1 ensure projects:
4.4.1 facing the variety of stone plate, anti-corrosion, specifications, shapes, flatness, geometric size, finish, color and design must comply with the design requirements, product certification.
4.1.2 surface and basement should be installed firmly; Dry hanging paste materials, accessories and the state must comply with the design requirements of the standard rules, carbon steel fittings to do anti-rust, anti-corrosion treatment.
4.2 the basic items:
2 surface level off, clean; Correct spelling a flower, texture clear, smooth, uniform color; Less than a full plate parts arrangement is appropriate, Yin and Yang Angle plate pressure to the right.
4.2.2 seam evenly, plate seam smooth, seam filling embedded close-grained, width is consistent, without fault dislocation.
Holdings protrusions around the board to take the whole board set of cutting, size accurate, consistent edges and a smooth, dado, stick risks such as flowing straight.
4.2.4 drip line straight, water slope to correct, clear and beautiful.
4.3 allowable deviation projects, see table 9-31.
Tile decorative surface allowable deviation table 9-31
Will project allow deviation (mm) check method
Smooth rough stone
Facade vertical indoor 2 2 in 2 m line board and foot inspection
Vertical elevation outdoor 2 4 in 2 m line board and foot inspection
Surface is flat and level 1 2 in 2 m line board and feeler check
3 Yang Angle founder 2, 3, 20 cm square chi and feeler check
Seam straight 2, 3, 4, 5 m string cable and rod inspection
5 dado flat top of 2, 3, 5 m string cable and rod inspection
6 seam height 0.3 1 short feet with steel plates and feeler check
7 joint width 0.3 1 quantity to check with your ruler
5 finished product protection
5.1 to clear in time clean residue on the door window frame, glass and metal veneer of dirt, such as sealant, fingerprints, dust, water and other sundry, appropriate paste the protective film, prevent pollution and corrosion.
5.2 earnestly implement reasonable construction sequence, a type of work (water, electricity, ventilation, equipment installation, etc.) work should be done in the previous, prevent damage, contamination plugins stone veneer.
5.3 it on the shelves and way, it is strictly prohibited collision dry hanging stone veneer.
5.4 after finishing the live outside, easy damaged parts of the edges and corners to nail bead protection, the other type of work operation shall not be cut finish and chipped stone.
5.5 outside brush finish agent before drying, it is strictly prohibited under the waste residue and shelf scaffold board and so on.
5.6 completed the plugins stone should set modes, in case of any act endangering the finished product, should immediately stop, and serious processing.
6 should pay attention to quality problems
6.1 exterior trim panel surface color differ: the main is the poor quality of stone material, the construction without trial and careful to choose.
6.2 line Angle seam is not straight, not divide evenly, straight: main is not seriously before construction according to the drawing size, check the structure construction, the actual size and segmented block play line is not fine, don't stay straight and alignment calibration checks do not often wait for a reason.
6.3 sealing glue, not fine: this have very close relationship with leakage and beautiful, especially pay attention to the surrounding, outside the window is at the mouth of the facade of concave and convex change node, two different materials, expansion joints, water slope and window sill and overhangs and metope, etc. Operators must carefully adhere to someone checked first with no one to check the same, second managers need to one step a footprint to each frame have to be careful to check after the completion of acceptance.
6.4 dirty metope, bosseyed glue mark: the main reason is various, one is the operation process, namely the installation method and technology of the bottom-up directly bring certain difficulty to the finished product protection, the greater the more senior the difficulty; Second, the operator must increases with the increasing in qing brush good habit; Three is to strengthen the management and education work product protection; Four is completed before the top-down thorough qing brush.
7 quality records
This technology standard should have the following quality records:
7.1 marble, granite, fasteners, fittings, etc. The factory certificate.
7.2 part project quality inspection evaluation table.
7.3 resistance to wind pressure and water spray test report, etc.
1 scope
The technology standard is applicable to industrial and civil construction projects inside and outside act the role of dry hanging panel process.
This process is the use of corrosion resistance of bolts and corrosion resistance of the flexible connectors, such as marble, granite facing dry hanging stone material in the outer surface of the building structure, stone material and structure between set aside 40 ~ 50 mm cavity, its structure as shown in figure 9-7.
Made of the process finish, in under the action of wind and earthquake force allowed to produce the right amount of deflection, to absorb part of the wind and seismic force, and does not appear crack and fall off. When wind and earthquake force disappears, stone material and reset according to the structure. Compared with the traditional wet operation process, the process from the grouting process, can shorten the construction period, reduce the building self-respect, to improve the seismic performance, more important is to effectively prevent the salinity in the grouting pigment infiltration pollution of stone material, improve the quality of the decoration and visual effect. In addition, due to seasonal outdoor temperature changes caused by outside facing swell-shrink deformation, make the veneer may fall off, this technology can effectively prevent the happening of the panels off injuries. The dry pendant panel installation process also with glass curtain wall or large glass Windows, metal panels and other supporting application installation process. Now the domestic many large public buildings the stone material of inside and outside decoration panel installation project adopts the dry-hanging process has become increasingly common.
2 construction preparation
2.1 material requirements:
2.1.1 stone: according to the design requirements, determine the varieties of stone material, color, pattern and size, and strictly control, check for bending. Tensile and compressive strength, bibulous rate, such as resistance to freezing and thawing cycle performance.
2.1.2: synthetic resin adhesive used to flexible paste the stone on the back of the backing material, requirements with waterproof and aging resistance.
2.1.3 glass fiber grid cloth, stone material backing material.
2.1.4 waterproof cement: used for sealing fittings.
2.1.5 antifouling strip: used for stone edge to prevent pollution.
2.1.6 sealing paste: used for embedded fill stone seams.
2.1.7 finish coating: used for marble surface weathering, pollution prevention.
2.1.8 expansion bolts, link iron, stainless steel and iron plate, washer, nut and skeleton with fixed all sorts of design and installation of fittings you need quality, must conform to the requirements.
2.2 the main equipment:
2.1 bench drill, no tooth cutting saw, impact drill, drill, torque wrench, open end wrench, caulking gun, long special trolleys, tape measure, ruler, hammers, various shapes of steel chisel, on foot, aluminum level, meters, multi-purpose knife, scissors and jointing the valve. Galvanized iron wire, spring wire with chalk line package, ink fountain, small white line, broom, shovels, surgery, grey tank, ash bucket, tool bag, gloves and red pencil.
2.3 operation conditions:
2.3.1 check stone material quality, specification, type, quantity, mechanical properties and physical performance meets the design requirements, and surface processing work.
2.3.2 erection of double row processing frame structure at the grass-roots level, and make a good record of implicit preview, qualified rear can install process.
2.3.3 water and electricity and equipment, the reserved embedded parts has been installed on the wall. Vertical transportation tools are ready in advance.
2.3.4 outside doors and Windows has been installed, installation quality meets the requirements.
2.3.5 construction personnel for technical disclosure, should emphasize technical measures, quality requirements and finished product protection, especially the shelf dismantled, shall not impact the completed product. Large area before construction should do first sample, after quality inspection departments qualified, can organize team construction.
3 operation process
3.1 process:
Reception, : 3.2 site to designated persons responsible for the management, carefully check the specifications of the material, the model is correct, and whether the order material, found that the stone color is obviously not consistent, to be packed separately, in order to return them to factory, if there is any crack, lack of edge Angle, reoccupy after repair, serious may not be used. Also note stone yard to consolidate, pad 10 cm by 10 cm long wood, make its more than 8 cm above the ground, the wood on the best nail on rubber strip, stone by 75 ° up put leans on special steel, between each stone will be separated with plastic film by tightly packed, prevent sticking together and tilt.
To clean up the structure and surface structure on the vertical line, large Angle and two vertical wire
Site receiving - > - > horizontal position
And stone material hole and back face brush glue to stick a flexible strengthening material,
- the bottom plate bracket to the bottom plate is placed in the positioning, adjusting and fixed to infuse M20 cement mortar, temporarily
Set a drain - structure and insert the retaining bolt drilling to set fixed stainless steel pieces, filled with adhesive on the lower wall hole - >
Insert connection steel needle - the adhesive into the upper wall of hole to temporary fixed upper wall plate, under drilling and insert the bolts
With fixed pieces to set the top wall plate, stainless steel panel joint sealant to finish brush finish agent on the second floor
3.3 stone material preparation: first use colorimetric method to choose the color of the stone material classification; Installed on the same stone color below should be consistent, and according to the size and design requirements, the special die fixed on the bench drill, to cut stone. Vertical, in order to ensure accurate placement to nail a shape slab brackets, make the stone on the bracket, to punch surface with vertical drill bits, make the hole forming accuracy, hole deeply 20 mm, the aperture is 5 mm, bit is 4.5 mm. Then brush unsaturated resin adhesive on the back of the stone material, mainly adopts a cloth two glue, cloth as non-alkali fiberglass cloth, untwisted 24 purpose, SLATE before brush glue again, to write the number on the SLATE, and the floating dust and noise pollution on the SLATE clean, such as saws, iron rust is cut off, get rid of it with the steel wire brush, coarse sand paper brush glue again and glue to increases with the increasing use, prevent wasteful after curing. Pay attention to the marginal place must brush is good, especially the punching parts is a weak area, must brush that cloth covered, brush head through the gum, when the shop is stuck glass fiber grid cloth from side out flat with the brush again and again, play two glue again after paving, brush touch glue not too much, to prevent the flow to the small stone material surface, bring sealing difficulties, occurrence quality problem.
3.4 basic preparation: clean it facing the structure of the stone surface, at the same time hanging straight, set square, find rules, pop-up vertical line and horizontal line. And according to the design drawings and the actual need to pop up the location of the installation of stone line and line of the block.
Hang line 3.5: according to the requirements of design drawings, stone material to play the big Angle with theodolite in advance before installation on the surface of the two vertical line and the best play in the position of the large Angle of 20 cm, in order to check the accuracy of the vertical line at any time, to ensure smooth installation. Appropriate USES vertical hanging line from 1.0 ~ 1.2 of steel wire is good, under heavy iron with height, average below 40 m high heavy iron for 8 ~ 10 kg weight, the upper hanging on a dedicated line Angle steel shelves, Angle steel frame with bolts at the top of the building of large Angle, must hang in solid, accurate, not easy to touch, and pay attention to the protection and check regularly. And make mark in the upper and lower control line.
3.6 the bottom panels bracket: the processed in advance on the bracket according to the main line above the bottom slab of the to be installed. Bracket to support strong, good to connect with each other, also can and rack together, stent after ok, along the direction of bracket, PuTong long 50 mm thick wooden board flowing in the same horizontal plane, to ensure that the stone on the following in the same horizontal plane.
3.7 cut holes in the RC retaining structure, the expansion bolt: play the structure surface is horizontal, according to the design drawings and stone material hole position, accurate plays on the wall retaining structure and the tag, and then press punch, punch can use percussion drill, phi 12.5 drill bit, on when drilling with sharp chisel in advance to play a good point a point, and then use drill holes, hole deep in the 60 ~ 80 mm, if encounter in the structure of steel, can be holes in horizontal direction or raise up, to connect iron using adjustable cushion and back again. Pore forming requirements and structure surface vertical, into the hole after hole ash powder with a small hook scoop out, put bolts, this layer should be required for all bolts in place.
3.8 connected iron: for the stainless steel bolt design Angle steel peace. Adjust the position of the flat steel plate made of flat steel plate for coincided with SLATE insertion hole, fixed flat steel plate, with a torque wrench screw.
3.9 bottom slab installation: connect the side of iron is ok, you can put the bottom panel on a corner in place. Method is to use the fixture fixed temporarily, slab side hole apply glue first, adjust the iron, fixed steel needle, fixed adjustments panel. In order to install the bottom panel, bottom panel, after all is in place to check whether the board level in a line, such as rough to adjust; Low wedge cushion flat available; High can appropriate exit point chock, gently flowing back to panel on a level; Adjust panel of horizontal and vertical degree, first check plate seam, plate seam width should be according to the requirements of design, uniform plate seam, will be liner joints embedded tight, sealing height more than 25 cm. By use of 1:2.5 prepared with white cement mortar, fill in the bottom panel 20 cm high, mortar on the surface of the drain.
3.10 apply glue and plug connection steel slab on hole: 1:1.5 white cement into the epoxy resin curing agent, promoter, with a small stick together, with a stick with good glue into the hole, then connect long 40 mm phi 4 steel insert until the panel hole on the plate, the steel needle check it before any scars, length whether meet the requirements, to ensure that the vertical steel before installation.
Fixed: adjust 3.11 after temporarily fixed panel, adjust the levelness, such as panel fluently, can be connected under the bottom end of the mouth of the flat steel plate on a corresponding double stranded wire MATS, if the copper wire, can use small hammer smashed, if high, can put the other end of the mouth with the above method mat. Adjust the vertical degree, and adjust the panel perceptible gap away from the wall of the stainless steel fittings, vertical until the panel.
Plate installation: 3.12 at the top of the panel at the top of the last level, except in accordance with the requirements of general stone installation, to install in the cracks of the structure and the slab hanging a length of 20 mm thick batten, batten on the flat for slab on top of the 250 mm, lifting point can be connected in iron, galvanized iron wire can be used wood, wood crane, namely in the slab and the space between the wall plug put polystyrene board, polystyrene is slightly wide strip in space, in order to fill, prevent leak slurry grouting, honeycomb, holes, etc., caused by grouting to 20 mm slab under the mouth for the use of coping cover plate.
Article 3.13 stick anti-fouling, sealing: along the panel edge article anti-fouling, should choose 4 cm tape adhesive tape, the edge must be tightly stick together, stick, gaps between marble slabs embedded elastic back liner, back liner can also be used 8 mm thick high even foamed sheet cut into article 10 mm wide, backing a good embedded within 5 mm, decorate a face after the final article in backing the external use neutral silicone into the seam caulking gun, glue the strength should be both, when go to gun steady and slow. Such as rubber surface is not smooth, can use stainless steel small spoon, leveling with small spoon to use clean, embed the underlying flagstones, be careful not to block water pipe. According to the stone color can be a suitable amount of mineral pigments are added into the adhesive.
3.14 clean up the surface of marble, granite, brush finish agent: article of marble, granite surface antifouling torn off, with cotton silk SLATE rub-up, if you have any glue or other adhesive strong sundry, available operation gently wipe out, wipe with cotton silk with acetone to clean. Before brush finish agent construction, we should master and know the weather trend, rainy and windy day 4 class above shall not be construction, to prevent pollution of the film; In winter and the rainy season in the shelter condition good indoor operation, brush on the plate. According to the mixture ratio in half an hour before the brush finish agent for good, pay attention to the difference between primers and paint, the best operation in stages. Cover a finishing agent to stir, to prevent the film
When inequality. Brush besmear to brush to use 3 in wool, stained with paint shoulds not be too much, to prevent the flow, less as far as possible back to brush, in order to avoid a brush marks, no bubble, no leakage brush, brush smooth glossy.
3.15 can be reference in the process of metal panels installation of fixed matrix method, for marble, granite panels, such as dry hanging technology on the structure of the connection method of construction, especially the indoor dry pendant panel installation process.
4 quality standards
4.1 ensure projects:
4.4.1 facing the variety of stone plate, anti-corrosion, specifications, shapes, flatness, geometric size, finish, color and design must comply with the design requirements, product certification.
4.1.2 surface and basement should be installed firmly; Dry hanging paste materials, accessories and the state must comply with the design requirements of the standard rules, carbon steel fittings to do anti-rust, anti-corrosion treatment.
4.2 the basic items:
2 surface level off, clean; Correct spelling a flower, texture clear, smooth, uniform color; Less than a full plate parts arrangement is appropriate, Yin and Yang Angle plate pressure to the right.
4.2.2 seam evenly, plate seam smooth, seam filling embedded close-grained, width is consistent, without fault dislocation.
Holdings protrusions around the board to take the whole board set of cutting, size accurate, consistent edges and a smooth, dado, stick risks such as flowing straight.
4.2.4 drip line straight, water slope to correct, clear and beautiful.
4.3 allowable deviation projects, see table 9-31.
Tile decorative surface allowable deviation table 9-31
Will project allow deviation (mm) check method
Smooth rough stone
Facade vertical indoor 2 2 in 2 m line board and foot inspection
Vertical elevation outdoor 2 4 in 2 m line board and foot inspection
Surface is flat and level 1 2 in 2 m line board and feeler check
3 Yang Angle founder 2, 3, 20 cm square chi and feeler check
Seam straight 2, 3, 4, 5 m string cable and rod inspection
5 dado flat top of 2, 3, 5 m string cable and rod inspection
6 seam height 0.3 1 short feet with steel plates and feeler check
7 joint width 0.3 1 quantity to check with your ruler
5 finished product protection
5.1 to clear in time clean residue on the door window frame, glass and metal veneer of dirt, such as sealant, fingerprints, dust, water and other sundry, appropriate paste the protective film, prevent pollution and corrosion.
5.2 earnestly implement reasonable construction sequence, a type of work (water, electricity, ventilation, equipment installation, etc.) work should be done in the previous, prevent damage, contamination plugins stone veneer.
5.3 it on the shelves and way, it is strictly prohibited collision dry hanging stone veneer.
5.4 after finishing the live outside, easy damaged parts of the edges and corners to nail bead protection, the other type of work operation shall not be cut finish and chipped stone.
5.5 outside brush finish agent before drying, it is strictly prohibited under the waste residue and shelf scaffold board and so on.
5.6 completed the plugins stone should set modes, in case of any act endangering the finished product, should immediately stop, and serious processing.
6 should pay attention to quality problems
6.1 exterior trim panel surface color differ: the main is the poor quality of stone material, the construction without trial and careful to choose.
6.2 line Angle seam is not straight, not divide evenly, straight: main is not seriously before construction according to the drawing size, check the structure construction, the actual size and segmented block play line is not fine, don't stay straight and alignment calibration checks do not often wait for a reason.
6.3 sealing glue, not fine: this have very close relationship with leakage and beautiful, especially pay attention to the surrounding, outside the window is at the mouth of the facade of concave and convex change node, two different materials, expansion joints, water slope and window sill and overhangs and metope, etc. Operators must carefully adhere to someone checked first with no one to check the same, second managers need to one step a footprint to each frame have to be careful to check after the completion of acceptance.
6.4 dirty metope, bosseyed glue mark: the main reason is various, one is the operation process, namely the installation method and technology of the bottom-up directly bring certain difficulty to the finished product protection, the greater the more senior the difficulty; Second, the operator must increases with the increasing in qing brush good habit; Three is to strengthen the management and education work product protection; Four is completed before the top-down thorough qing brush.
7 quality records
This technology standard should have the following quality records:
7.1 marble, granite, fasteners, fittings, etc. The factory certificate.
7.2 part project quality inspection evaluation table.
7.3 resistance to wind pressure and water spray test report, etc.
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