The Underlying Factor

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Moisture is the bane of your roof’s existence. Use DuPont’s Elvaloy instead of roofing felt.

January 16, 2009

DuPont's RoofLiner with ElvaloyWant better performance than traditional roofing felts? 

Use DuPont’s RoofLiner with Elvaloy to create a moisture barrier on all types of roofs, including concrete, slates, wood shakes and standing seam metal sheets. 

One roll of RoofLiner with Elvaloy replaces five rolls of 30-pound roofing felt and is five times lighter. 

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September 2016

This Month in Professional Builder


No one wants to hear about how great it was 30 years ago. Experience is one thing, but relevance is just as important. 

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