The Integrity Xtreme Storm™ water-proofing shingle
underlayment system is applied under roof shingles
during re-roofing to protect your home’s interior from
leaks from wind-driven rain and ice dams.
How it works
Xtreme Storm™ is a system of composite material of
asphalt polymers, formed into a rolled sheet. The
asphalt provides the waterproofing. The polymers make
the asphalt elastic and sticky, all the way through the
sheet. The result is an amazing ability to both stretch
and cling. This meas that it doesn’t rip when stressed,
and seals around nails driven through it. It sticks to a
clean roof deck like glue. In addition, it won’t dry out
during the warranted lifetime of an asphalt shingle
system. The result is a waterproof barrier beneath your
shingle system, which pooled water and driven rain
cannot penetrate.
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