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R- 21 Attic Wall Unfaced Reflective Roll Insulation 400-sq ft ( 48-in W x 100-ft L ) Individual pack

Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 400-sq ft ( 48-in W x 100-ft L ) Individual pack

4.6
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What does "unfaced" refer to in the description? Is this a "bubble" insulation? IE is this a single bubble or double bubble insulation?


This product is double bubble. Unfaced means that it is aluminum on both side's that there is no backing on one side.

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