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the reasons for the material For flexible roofing, due to improper selection, (such as the use of non-protective layer of polyurethane coating as a waterproof layer), cut corners (such as the thickness of the film or coil is small, does not meet the relevant provisions) or the use of counterfeit and shoddy materials, Layer premature aging cracking, causing leakage.Outdoor Balcony Decking,Outdoor Composite Decking Products - Shanghai Seven Trust

or the choice of synthetic polymer membrane adhesive is not complete, resulting in coiled joints at the mouth opening Alice, causing leakage and so on.construction reasons 1, membrane waterproof layer of peeling, for a larger slope of the plane or facade waterproof layer, waterproof layer and the grassroots stripping will cause leakage.preassembled wooden outdoor handrails

The reasons for the stripping are: leveling layer construction quality is poor, from the skin, from the sand, the grassroots clean up is not clean, there are dust debris, moisture or construction time to grasp the bonding time are not allowed, and paving synthetic polymer film stretch Too tight and so on.cheapest vinyl railing for porch

waterproof layer seam open plastic. The main reason is the lack of overlapping lap, improper use of adhesive or brushing uneven, overlapping parts of the surface clean up, there are dust or sand, when the air is not exhausted, rolling is not real, hot melt construction of the furnace Master and so on.plastic wooden cladding Cambridge