Roof Rafter Insulation Materials

In heavy duty construction a ridge beam might be used instead.

Roof rafter insulation materials.

Use these to cover large areas. You can either install faced batting insulation which has a paper or plastic vapor barrier already attached or add a vapor barrier after installing unfaced insulation. 1 attach baffles to the. Unlike solid insulation products that require careful measurement cutting and fitting spray foam can cover even the most uneven surface instantly.

Rolls are easy to transport and can be cut to the length you need. In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face of the boards. If you are planning to use wool then it is imperative you wear protective clothing goggles and a face mask since the wool is an irritant. These specialty vents do not affect the.

Polyurethane or polystyrene spray foams can provide thorough coverage to roof rafters and attic walls in much less time than is needed for other materials. Normally people use mineral wool or insulation boards to insulate the rafter space. Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall. Rolls batts or blown in insulation.

We prefer recycled insulation for obvious reasons. Images courtesy simpson gumpertz heger. Batt and roll insulation this is the second of two most popular types of insulation. Commonly used and inexpensive but fibers can irritate lungs and skin though less so than in years past thanks to better manufacturing and it s less effective at blocking airflow than other materials.

Recycled glass or sand that s melted and spun into fibers. Ibc dictates acceptable placement and composition of roofing materials in chapter 15 but describes required thermal efficiency of the roof in chapter 13 which references the international energy conservation code iecc the minimum required thermal resistance varies. Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. Roof insulation configurations for unvented rafter truss assemblies.

These insulation panels also provide excellent noise control. The ridge board must be the same width as the rafter boards. Fiberglass is easily the most popular material but mineral wool is fairly common as well. Owens corning raft r mate 22 1 2 in.