How To Insulate 2x6 Roof Rafters

If your attic rafters are 2 by 6 inch framing members i assume you used an r 19 batt insulation.

How to insulate 2x6 roof rafters.

Although there are many different circumstances that may call for insulating roof rafters the means to determine the necessity for insulating rafters remains the same. Replace the floorboards and then spray more insulation on top of it. They are directly below the roof sheathing and are were insulated with fiberglass batts stapled between the 2x4 rafters. How to insulate 2x4 rafters.

It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow. Remember you ll need at least 1 air space above the insulation for attic ventilation. 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. 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.

I have a 1925 bungalow in michigan climate zone 5. Box out light fixtures. For rolled insulation place it between roof rafters. There are some unfinished crawl space areas in the corners on the upper floor.

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. Water is insulation s enemy.