Insulate Roof With No Attic Space

In practical terms you can choose between mineral wool or insulation boards.

Insulate roof with no attic space.

Water is insulation s enemy. Materials commonly used for the insulation of the roof deck include. For such constructions the principles and benefits of unvented attic construction are similar to that occurring in a single family residence. If you put cellulose up there it will help insulate but you need a vapor barrier above the ceiling because you ll have warm ceiling air hiiting colder roof surface and condensing which will turn the cellulose into a moldy mess.

Because most flat roofs don t have an attic crawl. Box out light fixtures. Works well costs more. 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.

With 2x6 rafters this will give about an r 19 roof higher if you use thicker solid foam insulation. Insulating the attic floor. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow. Effects of insulating the garage attic.

This gives the best air path eaves to ridge but costs more for the labor to nail furring and cut insulation into pieces to fit between rafters. Fill the remaining space with fiberglass or cellulose. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. By laurie brenner homes with flat roofs require a different approach to insulation than the standard approach used for homes with pitched roofs.

If you do not use the attic much it is pointless heating this area. Since your home s heating and cooling system usually does not extend into the garage insulating this area does little to change the cost of running the system. Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings. An attic you want vented but in your case you want the ceiling roof space sealed.