Deck Defense™ High Performance 

Deck Defense™ High Performance Roof Underlayment features a durable, synthetic construction that works with your shingles to help shield your home from moisture infiltration.

  • Unique bottom surface coating reduces the chance for tears that cause leaks, as compared to other felt underlayment

  • Provides roof deck protection from UV exposure for up to 6 months*

  • Extra wide rolls cover approximately 5 times more than standard felt rolls

  • Preprinted nailing pattern and overlap lines help speed installation

  • 30-Year Limited Warranty**

43 Bentley Ave, Nepean, ON  

K2E 6T7                

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Due to the COVID-19 outbreak as it continues to spread across Canada , United Building Products is taking additional steps to protect the health and safety of our staff and to our facility by closing to the PUBLIC. We apologize for any inconveniences this may cause.