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.

Insulate roof or above ceiling in eaves.

For the same reason insulation shouldn t touch the roof s underside. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. You may not be able to see them clearly yourself but you can be sure that your hard earned hot air will. In most of the u s.

On a positive note congratulations on having 24 inch eaves. No your soffits should not be insulated and there is a chance that your insulation has been damaged by this. This is the point where the roof meets the walls of the house and it s one place where small gaps and cracks are commonly found. To be truly effective insulated areas must be tied down to the roof itself at the eaves.

Everywhere but climate zone 1 building codes require the installation of ceiling insulation rated at r 38 or r 49. 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. In cold climates thin insulation near the eaves contributes to ice dams. Achieving these r values with cellulose or fiberglass requires at least 11 inches of insulation for r 38 or 14 inches for r 49.