How Do You Insulate A Attic With Exposed Rafters

Preparing an attic for insulation.

How do you insulate a attic with exposed rafters.

Following ten years of extensive testing isoboard thermal insulation has developed a proven solution to fixing its thermal insulation boards above rafters trusses or beams. Never step between joists as you may break through the ceiling below make sure there are no uncovered electrical boxes or exposed wirings. Good reasons to insulate ceilings. The ceiling we are referring to in this case is the dividing line between your living space and the attic or airspace beneath the roof deck.

The insulation for exposed rafters is installed on the exterior side of the finish ceiling. Loose fill or batt the common term for blanket insulation. Although there are many different. You may find joists that are 2 x 10 inches or 2 x 12 inches but not the fat square 4 x 4 or 6 x 6 dimensions that you might expect with the beam style.

Here is how to insulate an unfinished attic. If you are deciding between insulating the roof deck or insulating the ceiling it is most important that you insulate the ceiling. Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve your mobility in the attic. Then blow another layer on top of the roof rafters.

This is often a layer of tongue and groove boards nailed to the exterior side of the exposed rafters. It s worth changing tactics to insulate between the rafters and wall joists instead of the. Working on your knees in an attic for long periods of time can be very hot and tiring. The most common blown in material used but it can rot and grow moldy if exposed to moisture.

If you have a solid floor covering the roof rafters use the claw end of a hammer to pull the floor up in several locations and blow the insulation under the boards. Typically you will fill the insulation blower with the insulation and blow it between the attic floor joists. In part 7 you ll learn how to insulate the attic rafters. For diy attic insulation you ve got two choices.

In part 6 of this series on attic insulation we dealt with proper attic ventilation and how it goes hand in hand with proper insulation. After the insulation falls you will find. 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. Whether you need to insulate your roof rafters will depend on what you intend to do in the space directly beneath the rafters.