2. Transverse joints between board and the board adopts sailing lap, lap method of sealing material, length not less than 120mm, the material sealed, except waterproof, there to prevent the sealing plate cutout corrosion effect.
3. Sandwich panels connected to the purlins are generally connected through the roof, this method is simple, convenient construction, but must fight through the hole in the roof, junction being exposed to the atmosphere, often subject to wind and rain erosion and atmospheric ʱ?? In the steel sandwich panel roof design, many departments began to use the practice of hidden connections, in order to solve this problem, to create a "concave" pieces hidden connection method.
"Concave" pieces hidden connection method is similar female connector, the female member through long or intermittently to withhold cuffs on steel sandwich panel, the female member by galvanized bolts and steel sandwich panel bottom purlins connected to the above deduction "n" shaped color waterproof accessories constitute plate. , Sandwich panels and structural connection parts, fittings and accessories, sandwich panels and steel sandwich panel between, all with aluminum rivet connections.
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