How To Spray Fiberglass Insulation In Attic

Once you deal with the air up there this problem goes away with or without the insulation in the attic floor.

How to spray fiberglass insulation in attic.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. If installing shredded insulation fill the attic space at least 15 inches high with insulation. Cut fiberglass batts to fit tightly between floor joists. If installing fiberglass mats start by laying the mats at the furthest point from the attic access.

It s available in fiberglass mineral wool plastic fibers and natural fibers. To get a better air seal. Loose fill or batt the common term for blanket insulation. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.

This type of insulation is ideal for attics with standard spaced beams and joists and very few obstructions. Homes insulated with it can be some of the most efficient and comfortable homes built. Both can be added to uninsulated attics or layered over existing material. Lay the fiberglass batt between the joists with the paper vapor barrier facing down toward the heated space.

In this video this old house general contractor tom silva shows affordable ways to create an energy efficient attic. When you reach a wall pull the insulation back over a joist lay a level over the insulation and cut across the level. I can also tell you that 73 of all statistics are made up on the spot so please don t ask for. Lightly press the batt down between the joists.

Roll the sheets out and cut them perpendicular. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. A how to on installing certainteed s insulsafe sp and truecomfort blown in fiber glass insulation into attic applications including application techniques. Move across the attic until you ve hit your desired height at every point.

I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes. Blown in spray foam batts and blankets. Spray foam insulation is an incomplete name. Then pivot in place and do the same thing to the other side.

It really should be called spray foam insulation and air barrier. A properly done spray foam job not only insulates but also greatly reduces the air leakage of. Spray foam insulation is a great product. For diy attic insulation you ve got two choices.