Whats the best way to cut fiberglass insulation?

To cut thick batts or rolls of fiberglass insulation easily, use an extendable utility knife that has snap-off blades. 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.Click to see full answer. Correspondingly, what is the best tool to cut fiberglass?You can use a jigsaw to cut the fiberglass paneling if you use a blade made for cutting metal. Fiberglass is hard and will quickly dull any wood-cutting blade. The jigsaw will work better than some other saws if you need to saw curves in the panel.Similarly, is it dangerous to cut fiberglass? Why Cutting Fiberglass Is Hazardous Because the glass pieces are so small, you can’t see them easily. They can go airborne and easily work their into skin and other tissues. And like any small bits of glass, if they get in your skin, eyes, throat, or lungs, you’re going to experience irritation and pain. Just so, what kind of blade do you use to cut fiberglass? Blade Considerations The manufacturers of fiberglass reinforced panels recommend using a saw blade with carbide-tipped cutting teeth and a fine- or high-tooth count.Can you cut insulation in half?Splitting the batt in half is a good way to fit fiberglass batts around wires and pipes. Never mash fiberglass batts to fit under or around a pipe or electrical cable. Compressed fiberglass loses its R-value because its dead-air space is drastically reduced. Instead, split the batt to half its thickness.

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