Construction is recommended fiber cement board

Construction is recommended fiber cement board

1, keel and fixed installation
(1) to be installed on the dragon skeleton on the ground, ceiling and wall asperities to be trimmed,
(2) In accordance with the design on the ground and ceiling elastic line, marked along the top (ground) position keel (see Figure 1), while the marked doors, sanitary equipment and pipes and an open position,
(3) nail or expansion bolts along the top (ground) keel, nail, or horizontal expansion bolt fixed pitch ≤800mm, and fixed wall end point distance is 100mm (see Figure 2).
(4) vertical keel is inserted along the top (to) the keel, with a pitch of 610mm blind rivet fastening, vertical keel is generally shorter than the wall clear height 5mm, pay attention to the vertical keel opening direction should be consistent, not up and down upside down, in order to ensure vertical keel openings in the same horizontal plane,
(5) vertical plumb correcting verticality keel,
(6) in door frames, wall junction and the free ends of the wall on both sides and a larger hole installation strengthen keel, namely vertical keel and along the top (ground) composite keel,
(7) in the wall at the height 2400mm (ie, horizontal plate seams) installation transverse keel,
(8) the suspension device, to set the other supporting objects, in order to fix the device,
(9) The installation of dark lines and sockets, and set up internal filling (according to design requirements, such as rock wool) For the vertical keel opening, aperture width shall not exceed 2/5 of the keel,
(10) according to relevant construction specifications for acceptance, examination of the size and vertical keel framework, as well as the integrity and firm level, only qualified installation,
2, installation and fixing
(1) According to the design drawings and the actual construction of sheet metal cutting and opening, if necessary, on-site for chamfering, cement board '> fiber cement board of the two long sides are ready chamfered, but the wall high at the time of 2400mm, fiber cement board level seams chamfered short side must live in order to better deal with the seam,
(2) In the face of elastic line and marked by tapping screws points, while pre-drilled recessed hole (aperture ratio tapping screws head of 1mm ~ 2mm, hole depth 1mm ~ 2mm), self-tapping screws from the board edge 15mm, distance plate angle 50mm, self-tapping screw pitch 200mm ~ 250mm,
(3) wall plank, the general longitudinal laying, namely the long side of the plate fixed on the vertical keel; when docking plate close to nature, you can not place extreme pressure; both sides of the wall joints should be staggered, can not fall on the same the root of the keel,
(4) is fixed, the board should be pre-drilled with the keel, the aperture diameter smaller than the self-tapping screw 1mm, fiber cement board with self-tapping screws, fixing should be from the middle of the plate fixed to the periphery, all the screw head should sink the board 1mm,
(5) When installing doors and windows around the plate, slab can not fall on the ground and the horizontal and vertical keel box, in order to avoid frequent switching windows to vibrate and cause slab cracking,

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