Note: This item comes standard with a self taped edge that runs down the 64' length of the product. TP2180WT - White Seam Tape is recommended for the 4' edge when seaming two rolls together at the ends.
The Barrier product family is an EPS foam underslab insulation and vapor retarder, designed to insulate radiant heating projects from heat loss and retard moisture migration through concrete. The core of the product is made of flexible, recyclable expanded polystyrene that provides the excellent insulation characteristics that are needed to maximize energy savings and minimize heat loss. The unique core has vapor retarding films bonded to both sides as well as a patented self-taping edge and overlapping flange to make the entire installation seam-free. High-performance insulation values, cost-saving installation, and unequaled flexibility makes The Barrier product family the most effective radiant floor insulation and vapor retarder in today?s market.
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Reviewed by 1 customer
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Comments about BarrierXT Underslab Insulation Roll - 3/4" x 4' x 64':
I ordered this because the vendor I get my pex from had a 2-3 week lead time and I was tight on time for pouring the basement floor. It gave 3/4" insulation (my vendor's was only 1/2") easy to install, w/ overlapping tape, a vapor barrier and you can walk on it while installing. For me it's the perfect product for under radiant in a basement environment. I very impressed with this product and highly recommend it.
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Q:Your spec sheet says R Value: 3-8.2
A:This insulation is 3/4" thick. The R-value of the insulation is about 3, but it has been tested up to 8.2 when used with 6" of gravel. See page 2 at the link below for additional information.