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MM380 Impermeable Tanking Membrane

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Marshalls MM380 Tanking Membrane has been designed specifically to tank "Type C" non-filtration permeable pavements.

Demonstrating superior tear and puncture resistance as well as excellent chemical resistance, the unique co-polymer blend provides confidence that attenuated water will be retained within the structure and not leak into the sub grade.

Despite is inherent strength, at 0.38 microns MM380 is thinner than alternative membranes, making it lighter to carry and easier to roll out. Crucially, Marshalls supply MM380 on 80m² rolls - minimising time spent rolling out and jointing the membrane.
All necessary ancillary products (such as jointing tape and flexible "top hat" outfall seals) are also available.

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