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Product photo of PROVA-FLEX® Underlayment Roll - PROVA® Waterproofing Shower Systems & Underlayments. PROVA-FLEX® is a durable, lightweight uncoupling membrane that provides cra...

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PROVA® Waterproofing Shower Systems & Underlayments

PROVA-FLEX® Underlayment Roll

$55.27

TL;DR PROVA-FLEX® Underlayment Roll - $55.27, PROVA® Waterproofing Shower Systems & Underlayments, in stock. PROVA-FLEX® is a durable, lightweight uncoupling membrane that provides crack isolation protection to concrete or wood substrates.

PROVA-FLEX® is a durable, lightweight uncoupling membrane that provides crack isolation protection to concrete or wood substrates. The underlayment consists of three layers: a top layer of woven polypropylene mesh, a central sheet of polypropylene, and a bottom layer of non-woven polypropylene. The top layer provides a mechanical bond between the cured thin set and tiles, and allows for the efficient spread of thin set mortar; the central layer includes hollow studs for holding modified thin set mortar; and the bottom layer, which is secured with a polyolefin-based adhesive, provides Shear Stress Control by neutralizing stress caused by substrate movement. This underlayment is lightweight and is an easy-to-install alternative to backer board.

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PROVA® Waterproofing Shower Systems & Underlayments
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