Puttine Fiberglass Batts In Attic

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

Puttine fiberglass batts in attic.

The first step in the insulation process involves cutting and laying onto the floor both the vapor barrier depending on climate and batt insulation. Batts must be cut tightly and you can t have gaps. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

In this video this old house general contractor tom silva shows affordable ways to create an energy efficient attic. You can install fiberglass batts yourself right over existing insulation but follow these precautions. Wear a long sleeve shirt gloves eye protection and a dust mask. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Most of insulation comes in rolls or precut fiberglass batts. Lay the fiberglass batt between the joists with the paper vapor barrier facing down toward the heated space. You can add loose fill on top of fiberglass batts or blankets and vice versa.

Blown in fiberglass creates a seamless blanket in your attic. Lightly press the batt down between the joists. Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling. As you will most likely find the attic floor will have joists running along it and both the vapor barrier and batt needs to be cut accordingly to fit in between these joists.

Sloppy people aren t suited for this job. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Lay the batts across the ceiling joists covering the existing insulation. Diy fiberglass batts insulation.

It needs to be unfaced. You might spend many hours kneeling in your attic to achieve this same result with fiberglass batts. The fiberglass batts in the wall above it extend past the bottom of the wall cavity and fit loosely into the cavity of the 2 12 floor joists hiding the fact that there is no insulation in that void.