r30 vs r38 and Our top picks

Features

• 【R-value of 15.5】Constructed of 2 layers of Aluminum and the air bubble in the second layer helps in blocking the heat transmission, reflects 97% of radiant heat, provides an R-Value of 15.5. Premium material protects your house from affecting by moisture or humidity.
• 【Effective to Keep Warm】Attic stair cover is made of double bubble reflective radiant barrier so it can well block off the cold air or high temperature from the outside, making your house warm in winter and cool in summer.
• 【Easy Zipper Access】This stairs insulation cover uses heavy-duty zippers to allow easy access to the attic, durable enough to withstand repeated openings and closings, making it easy to get in and out. When you are trying to enter the attic, just open the zippers and fold the cover over.
• 【Easy Installation】Zipper access and simple installation. Simply place the cover in your attic door opening and staple the attic door insulation cover to the door frame. (Stapler not included)
• 【Fits Openings up to 25" x 54" x 11"】Measure the opening to determine the required size of a cover kit. Carefully measure the inside and outside dimensions as well as the height requirements of your attic stairs.