Complete System of Breathable Membranes
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SlopeShield
With a rating of 59 perms, SlopeShield provides the highest vapor permeability in a commercial quality, breathable roofing underlayment.
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SlopeShield Overview Printer Friendly Version (PDF, 132 Kb)

SlopeShield combines the best properties of a vapor permeable membrane and a roofing underlayment in one innovative, affordable product. With a rating of 59 perms, SlopeShield provides the highest vapor permeability in a commercial quality, breathable roofing underlayment.

Slope Shield Vapro Diagram

SlopeShield membrane construction Illustrating
the release if Interior vapors and moisture