pitts_pilot(at)bellsouth. Guest
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Posted: Mon Sep 20, 2010 10:51 am Post subject: masking tapes |
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OK, I changed the subject line!
On 9/20/2010 1:49 PM, Bill Mauledriver Watson wrote: Quote: | Jae, I too used electrical tape for some window masking. Not sure what you refer to as "Blue painters" and "masking" tapes but if you mean the paper type tapes, yes, agreed that the electrical tape works great for corners and stuff.
What I subsequently found out was that 1/2" blue 3M plastic tape #471 is better than plain electrical tape. One difference is that the #471 doesn't stretch like electrical tape (a desirable characteristic for electrical work). It stretches just enough to go around corners but not enough to distort and subsequently pull away. By not stretching so much, I found that lays down a straighter line and that it won't pull off from the corners as the electrical tape tends to do if you stretch around corners. 1/2" works much better than 3/4" when going around corners and is the only size I'm using.
| Also when you get to the painting stage, use the 3M fineline masking tapes. Green is great for straight lines and light curves, blue is for more radical curves. the stuff is expensive, but this is not the time to scrimp. Urethane paints will bleed under the paper tape edge leaving you with a lot of cleanup work. Lay the 3M tape down and rub with a hard rubber squeegee. I use 1/2" green/blue mostly with 1/4" blue for really sharp curves. I lay the masking paper next to the 3M tape and tape with cheap blue paper tape. After spraying and waiting an hour or so, I remove the masking paper and then remove the 3M fineline tape being careful to pull the tape right back over itself. This way the semi-soft paint will flow a little at the edge so you don't have a real raised paint line.
Linn
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