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Highlights · Designed for use on walls, in basements, as siding underlayment and as foundation insulation · Energy Star qualified to meet or exceed federal ...
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Expanded polystyrene holds 100% of its R value over the life of the product, making it one of the most ideal products to insulate with.
$37.88
It is ENERGY STAR approved, and an ideal choice for cavity walls, masonry walls, vaulted ceilings and many other building envelope continuous insulation ...