Double Insulation In Attic

Both can be added to uninsulated attics or layered over existing material.

Double insulation in attic.

A tip for doubling up on attic insulation. Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. In my attic i currently have usg thermafiber insulation in the 5 75 6 75 between joists with 9 unfaced fiberglass batts on top. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.

Improper installation can damage attic framing promote mold. 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. Share this story via email. 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.

Loose fill or batt the common term for blanket insulation. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. So it s time to pay close attention to what s happening up there. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.