ThermaFiber UltraBatt R-15 3.5 in. x 23 in. x 47 in. (45 sq ft/bag)
ThermaFiber UltraBatt. 5 pieces per bag. Stocked only at Portland location. Allow 5-7 days for shipping to other locations.
Stocked only at Portland location. Allow 5-7 days for shipping to other locations.
ThermaFiber UltraBatt is a stone wool insulation product for use in both new residential construction and renovations. This semi-rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls, attics, ceilings and floor frames. The flexible edge springs back, expanding the batt against the frame studs to give a complete fill. ThermaFiber UltraBatt compensates for normal variations in stud centers caused by distortion or warping. The special flexible characteristic at the insulation edge ensures the expected R-value is achieved.
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