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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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Contact Us

Contact us directly for more information about our products, or fill out the form below, and we will be in contact with you shortly.

Corporate Office
PO Box 893
21428 Woods Creek Road
Monroe, WA 98272


Email:

Phone:
(360) 794-2151

Toll-Free:
(888) 610-2151

Fax:
(360) 863-8434

 

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