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R- 21 Attic Wall Unfaced Reflective Roll Insulation 33.3-sq ft ( 16-in W x 25-ft L ) Individual pack

Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 33.3-sq ft ( 16-in W x 25-ft L ) Individual pack

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Can I use this to cover upstairs windows from the inside. SW exposure Florida. Can it be used by it itself or attachment to thin plywood. Thank you


it can be used for this but you must leave an air space between the window and Reflectix or you could damage the window

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