Double Insulation In Attic

Improper installation can damage attic framing promote mold.

Double insulation in attic.

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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. For diy attic insulation you ve got two choices. Loose fill or batt the common term for blanket insulation.

Below the joists is 1 5 16 center to center supporting lathe and plaster for ceiling below i am trying to create some walkways and storage space by placing boards on top of the joists. These insulation levels will keep heated air from migrating out in winter. Share this story via email. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

In my attic i currently have usg thermafiber insulation in the 5 75 6 75 between joists with 9 unfaced fiberglass batts on top. So it s time to pay close attention to what s happening up there. Both can be added to uninsulated attics or layered over existing material. A tip for doubling up on attic insulation.