What Is The Best Way To Cut Insulation Sheets

How to cut foam insulation sheets.

What is the best way to cut insulation sheets.

Standard panels are 4 by 8 feet and can be used to insulate a home s roof. Step 4 complete the cut. Lift the foam insulation board so that the sheet is sitting upright. 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.

Pull out fabric strands along the cutting edge until one lasts the length of the sheet. Then cut your insulation panels to fit between the furring strips. If you have properly scored the foam board it should simply pop or snap off. 0 75 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 304087 model 100000050511.

Kingspan insulation r 4 common. The best way to cleanly cut rigid insulation is to use a circular saw. Cutting batts of fiberglass insulation takes forever because the batts are so thick and fuzzy. If your fiberglass has been cut previously the bottom edge will have some light fraying on it.

Secondly and this is the best way you can install a drywall to frame the wall before applying foam board insulation. To give yourself a clean sheet to work with pull out frayed strands until one of them remains unbroken from the left side of the sheet to the right. The blade will give you the most precise cut. 0 75 in x 4 ft x 8 ft.

To cut thick batts or rolls of fiberglass insulation easily use an extendable utility knife that has snap off blades. Use 2 2 inch lumber for the studs and 2 3 inch lumber for the top and bottom plates. However you can also use a utility knife to score the rigid insulation and then snap it over an edge. Then cut a 2x4 at least 12 inches longer than the width of the insulation.

But you may have an uneven cut with rough edges.