They have a rectangular section for systematic water drainage. The flange is slightly inclined to the shank to aid a slanted installation of the connector.
They have a smooth flange to improve the adhesion to synthetic PVC membrane. The 100mm x 100mm has a square section.
Resistant to deterioration by the sun, ozone and other agents or chemicals normally found in the atmosphere. They have excellent flexibility even at low temperatures. The mechanical properties are maintained in the long term. They are compatible with prefabricated synthetic membranes in PVC.
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