Carpet paving steps

2022-12-25 JuTE carpet
1. Preparation before construction

1) Material preparation carpet, cushion, adhesive, barbed nail strip, aluminum alloy barbed strip, aluminum strip, etc.

2) Construction machines and tools: edge cutting machine, carpet support, flat shovel, pier crank, pistol drill, cutter, scissors, sharp nose pliers, paint brush rubber edging roller, iron, angle ruler, ruler, hammer, steel nail, small nail, vacuum cleaner, trash can, glue container, steel ruler, box ruler, snapping powder bag, small wire, broom, iron dustpan, cotton wire and tool bag, etc.

2. Quality requirements The quality requirements shall comply with the provisions of Code for Acceptance of Construction Quality of Building Ground Engineering (GB50209-2002).

3. Process flow: base course treatment → snapping lines, squaring, dividing and positioning → carpet cutting → nailing barbed plate tapestry strips → laying pads → carpet laying → detail treatment and cleaning

4. Construction technology

1) The base course treatment shall clean the floor where the carpet is laid to ensure that the floor is dry and has a certain strength. Check that the flatness deviation of the ground is not more than 4mm, and the moisture content of the ground base is not more than 8%. The next process can be started after meeting the requirements.

2) Line snapping, square fitting, division and positioning shall be carried out in strict accordance with the requirements of the design drawings for each part of the room and the specific requirements of the room. If there is no design requirement, the room shall be symmetrically aligned and the line shall be snapped for positioning.

3) Carpet cutting shall be carried out in a wide area, and the cutting size of the carpet shall be calculated according to the actual size of each room. It is required to snap lines and numbers on the back of the carpet. The principle is that the warp direction of the carpet should be consistent with the room length. The length of each side of the carpet shall be about 2cm longer than the actual size, and the width direction shall be calculated according to the size of the carpet edge line. Cut from the back with a hand pushing cutter according to the snapping line on the back, and number the rolled edge of the cut carpet and store it in the corresponding room.

4) Nail the barb strip along the edge of the room wall or the skirting board around the walkway, and fix the barb board on the base course with high-strength cement nails (nails facing the wall). The cement nails are generally 3~4cm long, and the barb board is 8~10mm away from the skirting board surface; Steel nails shall be used to nail the barbed plate, and the distance between two adjacent nails shall be controlled within 300~400mm; When nailing the barb board, care shall be taken not to damage the skirting board.

5) When laying elastic cushion, the material shall be cut according to the clear distance of the barbed plate to avoid the wrinkle of the cushion after laying, and the barbed plate shall be covered or kept away from the barbed plate. When setting the cushion seam, it should be considered that the seam should be at least 150 mm staggered from the carpet seam. The cushion should be brushed with polyester vinyl emulsion by point sticking method and pasted on the ground.

6) The weaving direction of the carpet shall be determined before the seam splicing to avoid the inconsistent arrangement direction of carpet fluff on both sides of the seam. The carpet seam is connected with an ironing tape. Snap a straight line on the ground at the seam of the carpet, lay the ironing tape according to the line, press the carpets on both sides against the ironing tape, and then iron on the ironing tape with an iron to melt the adhesive layer. Press the carpet onto the ironing tape immediately with the movement of the iron. After the joint, trim the fluff at the joint with scissors.

7) For leveling, first fix a long edge of the carpet on the barb board, plug the burr under the skirting board, and stretch the carpet with the carpet brace. When stretching, first press the carpet support, hit the carpet support with your knee, and push it from one side to the other step by step, so as to repeatedly fix the carpet on the four sides on the barbed plates around, and cut the part of the carpet that grows out.

8) The fixed edge closing carpet should be gently knocked on the barbed plate to make all the barbed hooks on the carpet, so as to avoid looseness of the carpet caused by improper hanging. After all the carpets are flattened and straightened, the surplus carpet edges shall be cut off, and then the flat shovel shall be used to insert the edge of the carpet between the skirting board and the barb. When there is no cushion under the carpet, linen tape and adhesive can be used at the splicing and edge of the carpet for bonding and fixing (mostly used for chemical fiber carpet).

Attention shall be paid to the treatment of door beads and the intersection and joint closure of different parts and materials such as doorframes, walkways and vestibules during the detailed treatment, trimming and cleaning construction; The fixing, edge closing and edge covering must be firmly bonded without exposure, repair and other defects, and special attention shall be paid to the matching of the color and pattern of the splicing carpet, without dislocation and other phenomena. After the paving work is completed, the leftover materials cut due to the seam and edge collection, and the fluff and fiber dropped due to the stretching of the raking teeth shall be cleaned, and the carpet surface shall be completely sucked by the vacuum cleaner.
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