<p>used to fill the hole tiles) 2. to be dry hole after the place, with sandpaper gently polished cement board surface, remove the plate surface stains. Brush the company's surface protection products: cement board protective agent, brushing 2-3 times. (60mm �� 60mm) galvanized angle iron or iron square tube (60mm �� 25mm) do skeleton, interval 40-60cm under the column (the main Keel), auxiliary keel </p>
<p>spacing according to the size of the board to determine, but not more than 1200mm. 2. Adjust the keel, after correction of the main and auxiliary keel joints bolts for fastening or welding. 3. Cut the plate with the table saw the required size (saw blade need to use dense teeth: 120t, the use of tungsten steel saw blade better), and drill with a drill drill screw hole in advance. 4. In the cement board and keel contact </p>
<p>surface sizing, after the stainless steel tapping screws (screw size: diameter 6mm, length 3-4cm) the plate locked in the keel. 2 to 2.5 cm from the board edge screws, screws and screws spacing 15 to 25cm; plate in the middle part of the screw and screw spacing 40 to 50cm. Between the board and the board can stay seam. Laying finished, sewn to weathering. Second, the surface treatment: 1. Repair screw </p>
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