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This insulation cutter from Stanley isn’t a glamorous or expensive tool — just a simple piece of transparent plastic added to a standard utility knife — but it compresses the insulation batt as you cut, and at the same time it keeps your hand from coming in contact with the insulation.

Stanley’s insulation cutter costs somewhere between $6 and $10 and includes a utility knife in the deal.

Insulation Knife [Stanley]
Street Pricing [Google Products]
Via Amazon [What’s This?]


7 Responses to Just A Simple Piece Of Plastic

  1. Old Coot says:

    Slick idea! Anyone tried this yet?

  2. tooldork says:



    I’ve found the Hanson knife to work the best. Got it after the PM article ran. Did my entire attic with it. Compression wheel pushes down insulation to make cut on batt materials and can cut circles for junction boxes.

  3. Davo says:

    Finally, a box-cutter for Pirates!

  4. Bob TDG says:

    Yarr!!!! Now only me groin will itch while working with insulation!

    until I pick up the batt and place it in the cavity… Ninjas with their long sleeves and gloves appear to be superior to pirates in this case…

    As far as compacting the insulation, I keep a stud around, it also encourages straight cuts.

  5. Dave says:

    The guard really helps to mash down the batt, too, making it a lot easier to cut.

  6. Casey says:

    Tsk. Unitasker. How about wearing a glove, “Michael Jackson style” on your cutting hand. No facial disfiguring plastic surgery necessary!

  7. fred says:

    For Straight cuts – we’ve had success using a length of piano wire and a piece of plywood (about 6 inches wide and about a foot longer than the batt is wide) with a saw kerf (a few inches longer than the batt is wide) cut down the middle – but not exteding all the way. The piano wire is attached to the plywood at the closed end of the saw kerf – and to a length of dowel (as a handle) at the other end. The plywood holds down the batt and pulling the wire up through the saw kerf – slices through the batt.

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