Insulate Garage Ceiling Rafters

Similar to wearing a hat in the winter you need to make sure the top of the garage is protected to trap the heat in.
Insulate garage ceiling rafters. Place the plastic sheeting on top of the rolled insulation. My main goal is to keep it from getting much below freezing during the winter. Make sure you have enough ventilation on your roof as well. If you are insulating the garage ceiling not only by the truss level but also up by the roofline then you must leave at least 1 1 2 to two inches of air between the fiberglass and the underside.
Insulating the ceiling is the most important part of the garage because heat rises and escapes through the roof. To get more insulation in the garage install a ceiling and provide access to the space between the ceiling and the roof. If the garage is open to the rafters the boards that support the roof use r 38 insulation between the rafters at the roof if they are 10 inches deep. There should be a continuous ridge and soffit ventilation.
How to insulate a garage door. Best deal on goodyear air hose best stuff i have ever used https amzn to 3b5cjvy help please subscribe i need more subscribers to meet youtube guidelines. Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home. I m considering insulating and drywalling my garage which already has insulated garage doors.
And don t forget to take flooring into account. Insulating a garage door can be more involved than insulating the walls and ceiling. For example while an epoxy coating will add a protective layer to the floor it won t necessarily add insulating. Then feed the rolled insulation under wires and pipe if either is present.
If the plastic sheeting is in pieces overlap the pieces by 8 inches and staple it in place directly to the roof rafters and the wall. For example if the space beneath the rafters is going to be used for a living area then you will need to insulate the roof rafters. Garages built without attics are also prime candidates for insulation. 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.
Consider all aspects of insulating your garage not just the walls but also the garage doors and the ceiling particularly if you plan to add a heating and or cooling system. Whether you need to insulate your roof rafters will depend on what you intend to do in the space directly beneath the rafters. Ideas for insulating a garage ceiling 2 how to install insulation in garage. This garage is located in the north cascades 2000 elevation in washington state with a typical yearly temperature range of 0f 105f.