Drinking and thinking.

JKbrick said:

Red chalk or blue chalk?


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JKbrick said:

Red chalk or blue chalk?


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Bierpower said:

Black chalk matters

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TrailHunter said:

Red Chalk line stains concrete.... ask me how I know.

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Bierpower said:

I was actually buying chalk recently and never realized they had come out with permanent and waterproof chalk. Definitely good to know what you've got before you start your project.

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Bierpower said:

I was actually buying chalk recently and never realized they had come out with permanent and waterproof chalk. Definitely good to know what you've got before you start your project.

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TrailHunter said:

Didn't know that either.... A few years back we poured a driveway and the owner wanted a 4'x4' grid so we snapped it all out to saw cut it.... then he decided he wanted 3'x3'.... The line wouldn't even come off with a pressure washer. Apparently red chalk has iodine in it which causes it to stain.

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CalSgt said:

We always used to spray chalk lines with clear spray paint in the winter to ensure they were still there the next morning after sweeping the frost off of the floor on new houses.... That waterproof shit would have been great

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CalSgt said:

We always used to spray chalk lines with clear spray paint in the winter to ensure they were still there the next morning after sweeping the frost off of the floor on new houses.... That waterproof shit would have been great

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