I need to trim shingles on an outbuilding. Previous answers on the issue say
to use one of those little hawkbill linoleum knives. Is there a trick to
making a clean cut with that knife? I'm using new knife but it sure wants
to gum up in the asphalt and is very hard to cut even with the shingle
being very warm.
The best way to trim asphalt shnigles is with a circular saw with a carbide
First snap a chauk line from the peak to the fascia. Then starting at the peak
slowly make a nice straight cut following the line. Make sure you allow for
any imperfections in the rakers by allowing a little over hang like 1/4 to 1/2
inch. Make sure you wear long sleeves and googles as the stuff flies
I score them with a regular utility knife blade on the back side and then
bend them until they break. I don't cut them all the way through because the
granuals on the face dull the blades too quick. I get a clean cut this way
with no gummed up blades.
In a utility knife use a hook blade. You can get them most anywhere
you can buy the utility knife. The blades are super sharp and are
designed for relatively long usage.
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