How To Cut Attic Insulation
Cut the insulation roll or batt to fit the length of the framing cavity if necessary.
How to cut attic insulation. Best way to cut and install fiberglass batt insulation. Use a circular saw for the most precise cuts and cut along the line you marked. Thick foam insulation can be cut properly by first marking a straight line using a ruler and a permanent marker and then clamping it to a surface with rubber clamps. Extend the blade all the way out to provide a long sharp edge that perfect for cutting through thick insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product. How to cut fiberglass insulation fast while fiberglass insulation is usually cut with a utility knife as demonstrated in our cutting insulation video one of our viewers came up with a novel idea which worked great and gets the job done in a hurry. Check pipes and vents. Cut a square hole in the roof the same size as the hole in the base of the vent you re installing.
Mark the hole with chalk and set your saw depth to cut through the shingles and the roof sheathing only. Choose your insulation type. Use a board to compact the insulation and provide a straight edge for cutting. This is the fast easy and best way to cut fiberglass insulation that i ve found.
Even if you re laying insulation in a hot attic wearing protective clothing face mask and goggles is imperative to. To cut thick batts or rolls of fiberglass insulation easily use an extendable utility knife that has snap off blades. Locate the top of the hole about 15 in. Loose fill or batt the common term for blanket insulation.
Below the peak of the roof. For diy attic insulation you ve got two choices. Before installing determine the insulation material best suited for your home. Both can be added to uninsulated attics or layered over existing material.
These can stick in your bare. How to install kraft faced insulation. Fit the insulation into the framing cavity starting at the top for walls or at one end for. Don t cut into any rafters.
Place the insulation with the facing side down on a piece.