Insulate Concrete Garage Roof

Don t insulate your garage walls and ceiling without insulating the big garage door too.

Insulate concrete garage roof.

There are several insulation types you can use including batt or blanket blown in and spray. The regulating temperature has positive effects on your cooling and heating costs. In either case you will need to follow the general steps below to insulate your garage roof. Lightweight insulating concrete roof decks.

The first is to use a fibreglass insulation much like the type found in any typical loft. Lightweight insulating concrete lwic roof decks are composite systems cast over galvanized metal decks structural concrete wood decks or existing roof systems using lwic and expanded polystyrene eps. Ideally you want the insulation to look like a solid bead that runs along the gap between the frame and the concrete like the picture below. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.

Keep in mind that the structural metal ribbing of garage doors is an excellent conductor of heat and this typically doesn t get insulated. If your garage is attached to your house you will notice a big difference in your home s temperature as well. The second is to use a coated foam sheet like the ones manufactured by kingspan or celotex. Beyond the typical functions of keeping heat cold and dampness in or out insulation can also help you keep the din of the outside from entering your garage and the activities you pursue in that space from escaping to your neighbors or the.

Providing adequate ventilation is an essential part of insulation and will allow hot air to escape from the garage in winter as well as preventing moisture build up. There are two main ways to insulate a concrete garage. There are two predominate lwic. A ventilation gap of 2 inches between the insulation and the underside of the roof is required as standard.

Spray insulation is best performed by a pro and requires a good bit of setup in advance. For the purposes of this discussion we ll cover batt and blanket. Pin as you can see the sealant bubbled up and expanded over the edge of the frame.