Install foam attic vent chutes between every pair of roof rafters in the narrow triangular section where the roof meets the attic joists. The vent chutes keep the attic’s passive ventilation ...

Most building codes require a specified minimum amount of headroom. It's often tough to meet this requirement when insulating a finished attic, especially since most codes require insulation equal ...

If the rafters are split or appear to be sagging, they may need to be strengthened before proceeding further with insulation. This is because without attic insulation, heat typically rises in the ...

Similarly to fiberglass, blanket insulation is a great soundproofing material, helping to block sound as well as keep heat in ...

It can be dicey to crawl around in an attic where insulation covers framing, ... even once you add more insulation. (A 10-pack of rafter vents 22 inches wide by 4 feet long costs $19.21 at Home ...

Roofing insulation gets installed on the roof slope, above and below the rafters, while attic insulation is installed in the ceiling pane. Roof insulation is especially vital if your home has a ...

You should lay an appropriate (usually R-30) insulation on the attic floor, but avoid tucking it down into the area where the roof rafters meet the top of exterior walls and joist.

A worker sprays foam insulation onto rafters in an attic. Highlights The typical cost range to install spray foam insulation in a home is between $1,409 and $4,145, with a national average cost of ...

E19 | Attic Insulation, Parking Spot | Ask This Old House. ... Ross Trethewey helps a homeowner dealing with ice dams decide whether to insulate from his attic roof rafters or the attic floor.

Dear James: I was storing stuff in the attic and noticed some damp insulation, so I have a leaky roof. How can I locate the exact location of the leaks to fix them? — Dan D. Dear Dan: It is ...

Next, add a layer of 1/2” plywood on top, with screws driven through everything and at least 1 1/2” into the underlying roof rafters. The new roof goes on top of this fresh layer of plywood.