Best Way To Cut Thin Sheets Of Fiberglass Batts

Hot metal chips will fly everywhere.

Best way to cut thin sheets of fiberglass batts.

Extend the blade all the way out to provide a long sharp edge that perfect for cutting through thick insulation. You can cut mild steel up to about 3 8 in. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Tip for cutting fiberglass insulation easily.

The thing to avoid is vibration it is a brittle material so support it from below and keep your saw tight to the material. Use a board to compact the insulation and provide a straight edge for cutting. Without any delay lets look at the ways to cut fiberglass panels. Then cut a 2x4 at least 12 inches longer than the width of the insulation.

Frp is a commonly use covering in commercial food prep and for restrooms as it is imune to most all cleaners and disinfectants. 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 cut thick batts or rolls of fiberglass insulation easily use an extendable utility knife that has snap off blades. Of length for a tighter fit.

Cutting batts of fiberglass insulation takes forever because the batts are so thick and fuzzy. A trimmer is lightweight and powerful and it easily cuts through hard fiberglass such as that used in paneling. Batt insulation is commonly made of spongy fiberglass or glass wool. 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. Thick using a ferrous metal cutting blade. Plus you can choose between 3 4 and 5 inch trimmers. Mark the start and end point of your cut with a water soluble marker.

In our test it cut through rebar like a hot knife through butter. Leave an extra 1 2 in. Tips for cutting batt insulation. Cutting fiberglass panels isn t difficult but keeping them from splintering chipping or throwing harmful fibers is.

Fiberglass is hard and will quickly dull any wood cutting blade. 2 clamp the fiberglass sheet to a. 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. So this completely depends on tools you choose.