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Anonymous users2024-01-24Gypsum board ceiling to reach the fire resistance limit of 1 hour, ordinary normal practice is not possible, need to consult the relevant manufacturers.
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Anonymous users2024-01-23Normal construction, using centimeters of fireproof gypsum board, completely passed the acceptance.
The elastic line is copied out of the horizontal point on each wall (column) corner in the room with a level meter (if the wall is longer, a few points should be copied in the middle), and the horizontal line is popped up (the horizontal line is generally 500 from the ground), from the horizontal line to the design height of the ceiling, the horizontal line is popped up along the wall (column) with the pink line, which is the lower skin line of the ceiling grille. At the same time, according to the ceiling plan, the position of the main keel is ejected on the concrete roof. The main keel should be divided from the center of the ceiling to both sides, the maximum spacing is 1000, and mark the fixed point of the boom, the fixed point spacing of the boom 900 1000. >>>More
First point rust, anti-rust paint with a brush to point the countersunk screw, then use putty to embed the screw, with a base putty caulking (embedded twice), after the paper tape is soaked with water, paste it on the seam with white glue, after drying, batch putty (putty powder and water stirred into a paste), batch three to four, dry and grind the ash, brush latex paint two, finished.
It's better to look at it, and you can understand it at a glance when you find a construction site.
The specifications of the plastic gusset have nothing to do with the design scheme. That is to say: the skeleton of the ceiling has no relationship with the width of the floor slab, only the length is considered, and the docking strip is added.
1. Clean up the base layer.
2. The density of light steel keel frame or 3*4 wooden keel frame (for fire treatment) is not more than 600*600 >>>More