hello, I have been trying to paint a red stripe on the (textured) bathroom wall. I used blue painters tape only to have the paint bleed through. I then placed green frog tape about 3/8 of an inch down to fix the bleed through lines with NO success. Same thing. I know that red is an unforgiving color and I didnt want my stripe to end up being 4 inches wide. I had a thought...try electrical tape. It worked awesome!! No bleed through, nice straight lines. I did remove the tape as soon as I finished painting to minimize potential damage to the other paint on the wall.
just thought I would share this--hope it helps.
If it didn't for you, the texture may be too rough for it to prevent all capillary bleeding.
* What ALWAYS helps is using just a TRACE of painter's-caulk wiped lightly at the tape-edge.
* Wipe visible amounts off with a clean/dry cloth. You'll be leaving just a teeny bit of caulk...if you can't see it...IT'S ENOUGH!
* Now your lines will be perfect.
A similiar technique is to use just the paint itself.
* Brush just a light haze of paint at the tape edges.
* There won't be enough paint to bleed...it'll dry too fast.
* This works 97% of the time.
The caulking-version is TOTALLY foolproof however, especailly if texture is a little heavier.
Also: Don't bring a load of paint onto a taped edge. Unload most of the paint AWAY from the edge, bringing only the brushed-out film to this edge.
When you have a bunch of paint at the tape, the capillary-pull is much stronger.