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1. The two long sides of the fibre-reinforced cement board have been chamfered. If the wall is higher than 2440mm, the short side of the horizontal combination of the board must be chamfered on site (planed into a beveled edge of about 25mm width) in order to better handle the joint. 2. Elastic wire and mark the fixing point of the plate, and make pre-drilling treatment at the same time (the aperture is slightly larger than the screw head 1-2mm, the hole depth 1-2mm) the fixing point distance from the plate Angle 40-50mm, the fixing point distance 250-300mm. 3. When fixing the fiber-reinforced cement board, the board and keel should be pre-drilled, and the aperture should be 1mm smaller than the screw diameter. When fixing with self-tapping nails, it should be fixed from the middle of the board to the periphery, and all screw heads should be sunk into the board surface 1mm. In fastening, the plate must be nailed to the keel armour. |
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