I borrowed a recently filled chalk line today and when using it, I got a lot
of the chalk on my brand new roof. Any thoughts on how to get it out? It
is red chalk on a "weathered wood" color 50 year shingle. it is about a 3'
x 4' area.
The first thing I tries was compressed air. Fruitless. I was thinking of
putting a sheet of bitchethane up there and letting it sit for a few days
then pulling it off. Waddya think?
Any suggestions welcome.
Calvin Cooldige said "If you see ten troubles rolling down the hill toward
you, chances are nine of them will roll in the ditch before reaching you."
Hippocrates said: "First, do no harm."
The Fat Man said: "Do as much nothing as possible."
Leave it alone.
I did a small roof job on a shed this year. Color brown. As I am
colorblind, neither red nor blue would work for me. Found white. Not
only does it come off, it comes off too easy. To finish the job (just
some ridge work) on a hot day, I used the hose to cool down the
shingles. Line disappeared with the first touch.
<< Any thoughts on how to get it out? >>
Have you asked customer service at the manufacturer? They will have the most
specific knowledge of the product. If you know what the stuff is made of, you
can usually find a non-destructive way to remove it. Find the manufacturer's
name on the container, do a Google search, etc. A simple phone cal, often
toll-free may be all you need. Good luck.
Just bought 4 oz blue chalk made by Stanley. The instructions state
"Warning: Chalk acts as a permanent coloring agent on some materials. There
is no known way to remove it. Use accordingly". But as another poster
said, rain is your friend.
When you get the results from the manufacturer, please share with
the group. I have some red lines on a metal building that are
over 40 years old that I would love to remove. They get a little
more faint each year as the paint oxidizes, so maybe I can get
them off for good.
Keep the whole world singing . . . .
DanG (remove the sevens)
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