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For Professionals


Insulating an Attic Stairway

Even if the attic is well insulated, you may be leaving a perfect path for energy to escape—right up the stairway.

The Owens Corning Attic Stairway Insulator eliminates the insulation gap to better protect against heat loss in the winter and heat gain in the summer. Designed to fit perfectly over standard attic stairwell openings, it’s lightweight, easy to install and delivers an R-value of 10.