How Do I Insulate A Garage Roof

I do not have soffit vents but there is a ridge vent on the roof already installed.

How do i insulate a garage roof.

I wrote a tutorial on how to waterproof and seal your garage walls using drylok. And don t forget to take flooring into account. As you see in the photos i have already insulated the walls with r15 batt installation. 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.

Some do it yourselfers commonly forget to leave air space between the fiberglass and the underside of the wood roof sheathing. 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. Here is a guide on how you can insulate the garage roof in a few easy steps. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of 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. There are two main types of insulation. How to insulate a garage step by step. Step 1 choose the type of insulation.

Here s my step by step process for how i added insulation to my garage. 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. I do not want to drywall nor do i want to build a ceiling. The task of insulating a garage roof is not hard to complete if you follow a few tips and hints.

If you didn t do that before you put the frame up you can still do it now although it s going to be. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. So before insulating go around the garage with a can of low expanding spray foam and seal all gaps and cracks that let in the daylight. You can insulate the walls ceiling and door of the garage to the highest r value possible but if you fail to fill those air gaps you ll still be wasting a lot of heat.

In either case you will need to follow the general steps below to insulate your garage roof. The first thing you need to do is choose the type of insulation you are going to use. Water is insulation s enemy. Last chance to waterproof your wall.

Box out light fixtures. Now i m unsure where to go from here for roof 2x6 s.