The attic stair opening is the largest gap in home insulation, increasing heat loss in the winter and heat gain in the summer. Made of durable dust-free expanded polystyrene foam, the Draft Cap will reduce heat loss and heat gain and help you save on your heating and cooling bills.Lightweight and easily installed in less than 5 minutes, the Draft Cap attic stair insulator satisfies all current energy building codes for insulation over the attic access panel with an R-value of +11.R-value: R means resistance to heat flow. The higher the R-value, the greater the insulating value.Why Install Draft Cap In Your Home?
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