How To Spray Fiberglass Insulation In Attic

Lay the fiberglass batt between the joists with the paper vapor barrier facing down toward the heated space.

How to spray fiberglass insulation in attic.

The pros often use spray foam insulation or blow shredded insulation. If installing shredded insulation fill the attic space at least 15 inches high with insulation. For diy attic insulation you ve got two choices. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.

It s available in fiberglass mineral wool plastic fibers and natural fibers. A how to on installing certainteed s insulsafe sp and truecomfort blown in fiber glass insulation into attic applications including application techniques. Spray foam insulation is an incomplete name. Blow in insulation until the hopper is empty.

In this video this old house general contractor tom silva shows affordable ways to create an energy efficient attic. 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. Then pivot in place and do the same thing to the other side. Homes insulated with it can be some of the most efficient and comfortable homes built.

Blown in spray foam batts and blankets. A properly done spray foam job not only insulates but also greatly reduces the air leakage of. Lightly press the batt down between the joists. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Move across the attic until you ve hit your desired height at every point. This type of insulation is ideal for attics with standard spaced beams and joists and very few obstructions. Loose fill or batt the common term for blanket insulation. When you reach a wall pull the insulation back over a joist lay a level over the insulation and cut across the level.

It really should be called spray foam insulation and air barrier. If installing fiberglass mats start by laying the mats at the furthest point from the attic access. Roll the sheets out and cut them perpendicular. Both can be added to uninsulated attics or layered over existing material.

Spray foam insulation is a great product. To get a better air seal. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor. I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.