Loft insulation between rafters can be great if you're trying to cut energy bills and emissions. Our guide tells you everything you need. The post Loft insulation between rafters 2025 appeared ...

Q. Our Cape Cod style house in Florida was built in about 1925. In the "attic" area, which is used as a living space, the previous owner stapled insulation to the roof joists, which now is falling ...

Closed-cell spray foam: Up to R-7 per inch Open-cell spray foam: Up to R-3.5 per inch Blown-in fibers: Between R-3.1 and R-3.7, depending on fiber type Fiberglass batts: Up to R-3.8 Rockwool: Up ...

Fiberglass Batt — Offers a cost-effective option for interior insulation but may not provide enough R-Value if applying directly between rafters as the only insulating layer between the roof and ...

However, I do have a concern about spraying foam directly on the underside of the roof sheathing and rafters. Closed cell insulation will not allow water to pass through it.

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The average cost of batt/roll insulation is between $0.65 and $2.00 per ... batting or spray foam can be installed along the rafters. The average cost for roof insulation is between $1,500 and ...

Because of the impermeable barrier between the Fiberglas and facing paper, batt insulation traps moisture against the underside of the floor boards. And the batts disguise any slow leaks from ...

A: You are correct and your girlfriend is wrong. Insulating between rafters will do no good, because the attic should be ventilated, and the rafter insulation would be between two unheated spaces.

Having an open ceiling to reveal rafters makes for a dramatic effect, but the ugly insulation batts ruin the look. An alternative to drywall that looks great in a workshop is to cover the ...