How To Properly Insulate A Garage Roof

Be sure to count the spaces above doors and windows.

How to properly insulate a garage roof.

Measure the space between joists and studs to determine the width of the insulation you need. I also noticed that you have a metal roof. For the same reason insulation shouldn t touch the roof s underside. If you have a.

If your garage has drywall remove it. To prepare determine the area of the space you plan to insulate and add 10 to 20 percent to account for mistakes and odd spaces you need to fill. Look for gaps and cracks in the wall. Garage roof insulation guide carefully study the roof for any electrical outlets or any other objects such as lighting.

It is important that the roof cavity be totally air sealed from the conditioned space below to prevent moisture intrusion and roof degradation. Foil faced batt insulation is often used in cathedral ceilings because it provides the permeability rating often required for use in ceilings without attics. Spray foam is excellent for both r value and for air sealing. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.

If there are wooden trusses or frames in the roof you. If garage is attached 5 8 drywall is minimum code in most areas. Buy fiberglass bats that match the configuration of your roof. There are two main types of insulation appropriate for use in garage roofs.

As for installing drywall you really should install strapping at a max of 16 on center to mount your 5 8 fire rated rock to. Step 1 choose the type of insulation the first thing you need to do is choose the type of insulation you are going to use. Make sure you have enough ventilation on your roof as well. As a general rule of thumb.

Here is a guide on how you can insulate the garage roof in a few easy steps. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. As a high end material typically used for energy efficient construction spray foam is overkill for most garage projects. Get your expanding foam and vigorously shake it for about one minute.

24 inch on center is too large for hanging rock overhead especially 5 8 rock. There should be a continuous ridge and soffit ventilation. Clear the walls for the insulation. But it might make sense if you re converting the garage to living space.