Garage Roof Insulation Between Rafters

This allows you to put insulation on the bottom side of the rafters but allows outside temperature air to circulate under the roof continued michael karas feb 20 16 at 23 18.

Garage roof insulation between rafters.

Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place. Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home. Garages built without attics are also prime candidates for insulation. In a warm roof structure the insulation is placed above or above and between rafters in order to avoid heat loss and energy transfer.

If you are constructing an unventilated roof without the use of counter battens space would need to be left for the breathable membrane to drape both of which would impinge on the space available for the. If your attic is going to be converted into livable space then you will need to insulate the roof rafters. Don t insulate your garage walls and ceiling without insulating the big garage door too. If a ventilated roof is being constructed there is a requirement to have a 50 mm fully ventilated air gap between the insulation and the sarking felt in order to avoid condensation.

You can buy insulation kits for standard metal garage doors or you can cut pieces of rigid foam insulation to fit each door panel section. Opening vents in the soffit would allow air to flow from the low edge of the roof up along each channel between the rafters and up to your ridge vent.