The key to properly cutting spray foam is a fast-paced back-and-forth movement as it will move through the foam easier. Basically, you are sawing through the foam with the serrated knife blade or saw. This method will also ensure you have less tearing as you try to cut.
Jan 11, 2021
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For this a cheap hack saw blade works far better. The trick is to bend a section of the blade into a 90° angle in one or two spots. Wrap the handle end in duct ...
Use a utility knife, serrated bread knife, or foam saw to trim small pieces of foam. Hold the blade flush against the wall and saw back-and-forth through the ...
Duration: 2:41
Posted: Aug 19, 2020
Posted: Aug 19, 2020
Apr 17, 2022 · The cheapest/easiest way ive found is just grabbing a 10$ serrated insulation know. Cuts right through and at 10 bucks you dont have to worry ...
Nov 11, 2020 · I use a hacksaw blade to cut foam off flush with the wall/framing. Not a hacksaw blade in a frame, just a hacksaw blade in your hands. Easy to ...
Duration: 2:32
Posted: May 22, 2022
Posted: May 22, 2022
Nov 5, 2021 · It is not removable with soap or chemicals in my experience. It will simply wear off over time. I've been able to peel it off with friction and ...
Jan 16, 2021 · When you cut the foam back you're cutting the skinned over air seal. Either apply a few light coats when installing or apply a layer of silicone ...
Nov 26, 2022 · The thing that came to mind is just to use some expanding spray foam on the surface, then cut from there. My preference is to use a hot wire for ...