Double Insulation In Attic

These insulation levels will keep heated air from migrating out in winter.

Double insulation in attic.

Share this story via email. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. A tip for doubling up on attic insulation.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. For diy attic insulation you ve got two choices. Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. Both can be added to uninsulated attics or layered over existing material.

Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Improper installation can damage attic framing promote mold. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. In my attic i currently have usg thermafiber insulation in the 5 75 6 75 between joists with 9 unfaced fiberglass batts on top.