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Advantage-30 Synthetic Roof Underlayment

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WaterBlock Advantage-30 is designed and manufactured to provide a superior roofing underlayment compared to both asphalt felt products and other synthetic underlayments.

Installation Guides

The WaterBlock Installation Guides will guide you step by step how to install your Window & Door flashing.

  1. General Installation Guide
  2. Create Custom Installation
  3. Recessed Install Guide

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Flashing Membrane Foil Face - 40 mil

Tech Data | MSDS
WaterBlock® WFM-Foil Face is a multi-purpose self-adhesive membrane composed of SBS modified bitumen and a high strength composite reinforcement, self-protected by an aluminum surface film. Designed to be left exposed.