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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Specification Data Sheet (PDF, 55 kb)

Guide Specification with specifier notes (PDF, 71kb)

Material Safety Data Sheet (MSDS) (PDF .39kb)