Insulate Roof Or Above Ceiling In Eaves

Achieving these r values with cellulose or fiberglass requires at least 11 inches of insulation for r 38 or 14 inches for r 49.

Insulate roof or above ceiling in eaves.

The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. A cold loft is where you insulate immediately above the ceiling of the top storey so no. You may not be able to see them clearly yourself but you can be sure that your hard earned hot air will. No your soffits should not be insulated and there is a chance that your insulation has been damaged by this.

2d extend insulation into joist space to reduce air flows. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above. Everywhere but climate zone 1 building codes require the installation of ceiling insulation rated at r 38 or r 49. In cold climates thin insulation near the eaves contributes to ice dams.

In most of the u s. On a positive note congratulations on having 24 inch eaves. A warm loft is where you insulate immediately under the roof which means your loft space is warm as well. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.