RockWool Sandwich Panel - COSASTEEL
The rock wool sandwich panel is selected, and a larger purlin distance can be used, so the amount of purlin can be saved by 1/3 ~ 2/3. The buckling method is reasonable: The two-sided polyurethane rockwool roof panels are connected by concealed buckles, which avoids the hidden leakage of the roof panel joints and saves the number of accessories.
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