How To Properly Insulate A Garage Roof

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.

How to properly insulate a garage roof.

24 inch on center is too large for hanging rock overhead especially 5 8 rock. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. If your garage has drywall remove it. If garage is attached 5 8 drywall is minimum code in most areas.

Measure the space between joists and studs to determine the width of the insulation you need. Spray foam is excellent for both r value and for air sealing. If you have a. Foil faced batt insulation is often used in cathedral ceilings because it provides the permeability rating often required for use in ceilings without attics.

Look for gaps and cracks in the wall. Make sure you have enough ventilation on your roof as well. For the same reason insulation shouldn t touch the roof s underside. There are two main types of insulation appropriate for use in garage roofs.

Be sure to count the spaces above doors and windows. As a general rule of thumb. Garage roof insulation guide carefully study the roof for any electrical outlets or any other objects such as lighting. Here is a guide on how you can insulate the garage roof in a few easy steps.

If there are wooden trusses or frames in the roof you. 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. Buy fiberglass bats that match the configuration of your roof. It is important that the roof cavity be totally air sealed from the conditioned space below to prevent moisture intrusion and roof degradation.

There should be a continuous ridge and soffit ventilation. Get your expanding foam and vigorously shake it for about one minute. Consider renting a residential. How to insulate a garage wall in four easy steps step 1.

But it might make sense if you re converting the garage to living space. Clear the walls for the insulation. I also noticed that you have a metal roof. 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.