Insulating A Workshop Roof

Once the garage insulation is installed it s important to take a quick inspection of the area.

Insulating a workshop roof. Made primarily from recycled newspapers and treated with a fire retardant cellulose is usually blown into wall and ceiling cavities with a special blowing machine that also aerates the cellulose and fluffs it up. Cold roof a very bad idea. Since there is a lot of dangerous chemicals around this space and since cars give off a lot of exhaust and dangerous carbon monoxide you ll want to be sure everything is sealed off. You should use some foil tape to make sure that the insulation is stable on the roof edges.

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 you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. Cold roof systems are highly inadvisable as insulation from the inside will inevitably lead to the formation of condensation. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.

In this case the strips are sixteen inches wide x four feet long. For the same reason insulation shouldn t touch the roof s underside. Opening vents in the soffit would allow air to flow from the low edge of the roof up along each channel between the rafters and up to your ridge vent. In either case you will need to follow the general steps below to insulate your garage roof.

Caulk around the bottom of the drywall and seal it to the floor. For example if the space beneath the rafters is going to be used for a living area then you will need to insulate the roof rafters. To install the insulation overhead you need to staple the pieces to the roof trusses. Batts are easier to install than rolls because there s less cuts to make but they re more prone to air leaks since it relies on the installer to get a good fit.

To produce a hot roof rigid insulation is fitted outside above the weatherproofing. Cellulose is a loose fill insulation that is growing in popularity. This is then covered with a further weatherproofing layer. 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.

Make sure that all of the pieces are the same size so that they fit into the trusses. Batt insulation is similar to a roll of insulation except they re cut in strips instead of one continuous length. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.