Some of the basic facts on EPDM membrane with a textured finish versus smooth finish.
With an EPDM membrane with a textured finish the following points are compromised:
1) 5-7% less material compared to an EPDM membrane with a smooth finish. This will have techno-commercial implications.
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2) About 10-15% compromise in vital tear resistance and tensile strength. This will impact the performance and life cycle cost of the EPDM membrane
3) Width limitations
4) The consumption of adhesive will be more on a textured finish.
Polygomma EPDM membranes and pond liners have a smooth surface and are free from talc or graphite powder.
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