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Stone Hardcover Construction Standards
May 25, 2018

Stone hardcover construction standards

1. The type, size, color and performance of the plates used in the stone surface should meet the design requirements.

2. The surface layer should be firmly bonded to the next layer without hollowing.

3. The quantity, specification, location, connection method and anti-corrosion treatment of embedded parts and connecting parts of the veneer installation project must meet the design requirements.

4. The surface of the stone surface shall be clean, smooth, and free from wear marks, and shall be clear in shape, uniform in color, uniform in joints, straight in the periphery, correctly embedded, with no cracks in the plates, missing corners, and lack of defects.

5. Main control data: surface smoothness: 2mm; seam line straight: 2mm; seam height: 0.5mm; skirting port straight: 2mm; plate gap width: 1mm.

Stone corner joints

1. The corner angle of the stone adopts a 45° spell angle. After the plastering is completed, the joints can be caulked, rounded, polished and polished.

2. The baseboard of the stone is made of adhesively finished corner kickboards and the visible surface is polished.

3. Bathtub tabletop stone is strictly prohibited to use 45 ° spell angle, flat pressure facade paving, countertop stone can be floated out of the bathtub skirt stone double the thickness of the stone, chamfer 3mm, visible surface polishing.

Indoor ground elevation

1. The indoor floor needs to draw an elevation map, including the elevation of the structure, the thickness of the adhesive layer and the material layer, the completion of the surface elevation, and the direction of the slope.

2. The room floor is 10mm above the kitchen floor.

3. The room floor is 20mm above the bathroom floor.

4. The room floor should be 5~8mmm higher than the entrance floor.

5. The uniform elevation of the corridor, living room and bedroom floor.

Stone/tile floor and wooden floor ground

1. When the wooden floor is connected to the stone/tile floor, chamfering of the stone/tiled seam is required to be 2mm, and that of the wooden floor is to be less than 2mm below the stone/tile floor.

2. When placing expansion joints on wooden floor and stone/tile floor, set the closing strips at the joints.

Sill stone close up

1. The ledge stone protrudes from the wall 1 times the thickness of the stone, and on both sides it is wider than the window hole 1 to 2 times the thickness of the stone. Between the sill stone and the affixed line, a “V” groove can be set to weaken the stone glue joint.

2. There must be no separation between the sill stone and the affixed line and the wall, so that the wall putty can be closed at the inside corner.

3. The exposed side of the window stone needs to be chamfered by 3mm and the visible surface is polished.

4. The kitchen and bathroom windowsills are paved with wall tiles. It is not advisable to set the window stone separately.

Floor drain practices

1. The toilet and balcony ditch should be the same width as the floor drain, and the side of the ditch should not expose the mortar layer.

2. When using a four-sided inverted octagonal method to compose floor drains, the floor drains need to be centered and the returning water direction is obvious.

Wall tile hole

1. The wall surface of the perimeter tile must be drilled with special tools to drill circular holes. Tiles must not be cut and tiled.

2. Prominently cut and align the entire brick and mortar of the wall surface equipment. It is forbidden to install across the seams. It is required to be installed neatly, without obvious seams and evenly patched with the wall.

Wooden door frame, door affixed face and threshold stone

1. All the kitchen door frames are placed on the lintel stone, and the outside door is affixed to the face to prevent it from being overlaid on the surface.

2. Fine glue should be used at the entrance of the entry door, the kitchen door frame and the threshold stone.

Baseboard and floor gap

1. The baseboard with rubber dust-proof strips is used to solve the problem of exposed cracks between the baseboard and the wooden floor to prevent the accumulation of dust.

2. It is recommended that the baseboard be glued to the baseboard. When the baseboard is fixed with nails, the baseboard must be reserved with grooves and nails must be placed in the grooves.

3. Using PVC surface baseboard, surface protection PU film protection.

Artificial stone countertops

1. Smooth surface, neat edges and corners, no obvious scratches, neat edges, rounded edges and corners, visually non-adhesive seams, and uniform color and pattern on both sides of the bonding seam.

2. No cracks, defects, wrinkles, white spots, spotted spots, bubbles, pits, trachoma, dents, chromatic aberrations, impurities.

3. The countertop stone must be floated out of the cabinet door. When there is no water retaining edge on the front edge of the table, a drip line should be provided, at least 1cm away from the door panel or the side panel of the cabinet to ensure that the water droplets do not fall on the door panel or enter the cabinet.

4. The water behind the countertop is not less than 50mm above the tabletop, and the fillet should be poured on the bonding surface of the countertop. The rounded corners should be uniform.

5. Cabinet countertops and sill stone must be separated. It is strictly forbidden that the cabinet countertops are integrated with the sill stone so as to avoid the cabinets from sinking and causing the window sill stone parts to crack.

6. It is strictly prohibited to use paint and wallpaper on the wall around washbasins and washbasin countertops.


1. Stairs are unanimous, straight lines, complete corners, uniform height, solid and durable surface, uniform color.

2. The cement mortar surface is stair treading, straight lines, complete corners and even height.

3. Stone surface stepping, corner polishing, no color, the same height, uniform width.

4. The floor tiles are tiled and tiled and the paving is solid.

5. Should be set on the side of the stepping baffle or water line to prevent the side of the stairs pollution.

6. The surface of the stair baseboard is flat and the thickness of the protruding wall is the same, the lines are neat, and there is no color difference.

7. The baseboard can be laid in one piece and the seams are smooth.

8. The baseboard can be consistent with the steps, ladder arrangement.