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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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Sopramastic Sealant

Tech Data | MSDS
WaterBlock® Sopramastic Sealant is an ideal complement for bituminous waterproofing membranes and is used as jointing mastic, caulking material and joint filler. It is compatible with bituminous materials and ensures good waterproofing.