Negative Positive
Title: AWESOME for FIBERGLASS; GOOD for ULTRA TOUCH
Review: I bought the CEPCO Tool IK-10 Insul-Knife and the AccuSharp 001 Knife Sharpener. Unlike some other reviewers, mine came sharp out of the box. This thing cuts like a hot knife through butter on R30 (yes, R30) fiberglass insulation. Perfect for trimming expanding foam too! This knife is amazing!! I'd rank it up there along with a Sawzall, Visegrips and duct tape!I originally bought it to cut through Ultra Touch Cotton Insulation. I wasn't as impressed cutting R13 Ultra Touch. I had to saw back and forth 4-5 times to make it through. It was much better than a utility knife (25-30 slashes and still not a clean cut), but I'll be trying my table saw next time. The blade also dulls quickly on the Ultra Touch, but the sharpener works quick and easy to make the blade sharp again.
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