Insulation Between Attic Rafters

You can buy air ducts that staple to the inside of your roof above the eave vents and fit between the rafters.

Insulation between attic rafters. Then feed the rolled insulation under wires and pipe if either is present. Https youtu be w4mkphzmqxw contact us restorat. Make sure it is flush against the wood as even a 1 inch gap can cause a 20 percent heating loss. If your attic is going to be converted into livable space then you will need to insulate the roof rafters.

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. 2d extend insulation into joist space to reduce air flows. The will hold open an air gap of approximately 1 inch to allow airflow past a layer of insulation. 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.

Time to get the insulation finished and get this place warm. Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place. Check out our how to video at the link below. Hire a pro to install spray foam insulation.

For rolled insulation place it between roof rafters. You can use rigid foam panels or do as tom silva does with nearly all houses these days. Place the plastic sheeting on top of the rolled insulation. Push the insulation in place between the rafters but be careful not to compress the material.

If you re considering turning your attic into conditioned storage or living space it s worth changing tactics to insulate between the rafters and wall joists instead of the floor. The ones i ve used are made of styrofoam and iirc they cost around 2. This limits the maximum thickness of the insulation between the rafters to between 50mm and 175mm. For insulation to reach its full potential for preventing warm air migration it must maintain the.