Insulating A Detached Garage Roof

There should be a continuous ridge and soffit ventilation.

Insulating a detached garage roof.

In either case you will need to follow the general steps below to insulate your garage roof. A new detached garage can drastically improve your insulation. The first thing you need to do is choose the type of insulation you are going to use. I wrote a tutorial on how to waterproof and seal your garage walls using drylok.

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. If you didn t do that before you put the frame up you can still do it now although it s going to be. 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 continued from above surface and helps prevent ice buildup on the roof when there is standing snow on the roof. 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.

The first decision to make is to determine if you want a double or single detached garage. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. To keep your garage insulation up to standards you ll want to go with danley s. Don t insulate your garage walls and ceiling without insulating the big garage door too.

However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof. Here is a guide on how you can insulate the garage roof in a few easy steps. Last chance to waterproof your wall. Make sure you have enough ventilation on your roof as well.

Here s my step by step process for how i added insulation to my garage. There are two main types of insulation. When constructing insulating a detached garage it is usually a good idea to add enough space in the back for storage and tools. Step 1 choose the type of insulation.

The task of insulating a garage roof is not hard to complete if you follow a few tips and hints. A detached insulated garage can serve as a place for storage and tools maybe even a small shop but that shouldn t detract from the main purpose of housing the family car. At danley s we build custom size garages and styles that will drastically increase storage space curb appeal and insulation.