Garage Attic Truss Insulation

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.

Garage attic truss insulation.

Some do it yourselfers commonly forget to leave air space between the fiberglass and the underside of the wood roof sheathing. To answer some of your questions. You should use some foil tape to make sure that the insulation is stable on the roof edges. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.

Keep in mind that the structural metal ribbing of garage doors is an excellent conductor of heat and this typically. The tape will also make sure that there is an air pocket available in the insulation. I am planning on insulating and finishing the outside walls. In either case you will need to follow the general steps below to insulate your garage roof.

Don t insulate your garage walls and ceiling without insulating the big garage door too. The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the. To install the insulation overhead you need to staple the pieces to the roof trusses. Insulating the attic above the garage will help keep temperatures in the garage a bit more stable but it won t have any appreciable effect on energy bills.

Attic insulation between roof trusses. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow. Water is insulation s enemy. That s the wall you see in one of the pics.

When you should insulate the garage if your home s hvac system does extend into the garage then the attic above it should be insulated as it would for any other room of the house. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. Box out light fixtures. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.

Does a garage attic need to be insulated. 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. However if you keep the storage weight to a minimum you may be able to build a storage platform above the insulation by attaching supporting beams to the sides of the trusses.