Best Way To Cut Thin Sheets Of Fiberglass Batts

Hot metal chips will fly everywhere.

Best way to cut thin sheets of fiberglass batts. Tips for cutting batt insulation. Batt insulation is commonly made of spongy fiberglass or glass wool. Cutting batts of fiberglass insulation takes forever because the batts are so thick and fuzzy. Leave an extra 1 2 in.

2 clamp the fiberglass sheet to a. Then cut a 2x4 at least 12 inches longer than the width of the insulation. Mark the start and end point of your cut with a water soluble marker. Plus you can choose between 3 4 and 5 inch trimmers.

Cutting fiberglass panels isn t difficult but keeping them from splintering chipping or throwing harmful fibers is. You can use a jigsaw to cut the fiberglass paneling if you use a blade made for cutting metal. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Thick using a ferrous metal cutting blade.

It can be cut with any saw using a fine blade although carbide is best. Folding or tucking pieces too tightly between openings compromises its r value or thermal. The thing to avoid is vibration it is a brittle material so support it from below and keep your saw tight to the material. So this completely depends on tools you choose.

Extend the blade all the way out to provide a long sharp edge that perfect for cutting through thick insulation. Use a board to compact the insulation and provide a straight edge for cutting. Frp is a commonly use covering in commercial food prep and for restrooms as it is imune to most all cleaners and disinfectants. We re using unfaced batts that are sized to friction fit into standard stud spaces either 16 in.

Draw a straight line between these points using a yardstick as a straight edge if necessary. Of length for a tighter fit. A trimmer is lightweight and powerful and it easily cuts through hard fiberglass such as that used in paneling. Cut batts to length by setting the top of the batt into the space and cutting against the bottom plate with a sharp utility knife.

To speed up the process and produce a clean neat cut every time lay the insulation on top of a scrap piece of plywood with its foil or kraft paper vapor barrier facing up. Tip for cutting fiberglass insulation easily. To cut thick batts or rolls of fiberglass insulation easily use an extendable utility knife that has snap off blades. You can cut mild steel up to about 3 8 in.