Ext Trim
#1
Ext Trim
Do I need to remove old caulk before putting on the fresh caulk? Whats a good paintable exterior caulk? Is there an easy way to remove caulk?
#2
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Join Date: Jun 2004
Location: South Florida
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Yes, I would remove any old caulk before recaulking. Try using a putty knife or utility knife and slide it between the caulk and other material and cut or break the seal along the length of caulk. Do both sides of the bead of caulk. A sharp knife or razor blade is good for cutting the caulk, but can damage the other material, especially wood, and you. Sometimes you can get one end loose and just peel the caulk off.
There are numerous brands and qualities of caulk. Just read the labels. Acrylic latex works well, is paintable and relatively inexpensive.
There are numerous brands and qualities of caulk. Just read the labels. Acrylic latex works well, is paintable and relatively inexpensive.
#5
painting over caulk
Here are some tips:
Make sure the caulk is paintable. It will state it on the caulking tube. Remove old caulking before more caulking is applied. I would stay away from using a torch, you will deteriorate the wood. You don't want to paint over burt wood because when the temperature changes the paint will start to crack and flake off. Hence, poor adhesion between the surface because it is not sound and in painting shape. The good old scrapper will work. Next, prime with the primer that the manufacturer of the paint recommends.
Hope this helps,
Chuy90650
Make sure the caulk is paintable. It will state it on the caulking tube. Remove old caulking before more caulking is applied. I would stay away from using a torch, you will deteriorate the wood. You don't want to paint over burt wood because when the temperature changes the paint will start to crack and flake off. Hence, poor adhesion between the surface because it is not sound and in painting shape. The good old scrapper will work. Next, prime with the primer that the manufacturer of the paint recommends.
Hope this helps,
Chuy90650
#8
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Caukk brand
Lightman. I use SW 950 its a good all around latex silicone caulk. I also tried a product called Stormblaster. Its super. It can even go on wet surfaces. Grab a tube if you get a chance. Just a suggestion ..I dont want to make it sound like I am pushing a product.(some people are real touchy about that in this forum if you know what I mean
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Why? Fix the original caulking (strip it out with a razor knife and putty knife), recaulk with silicone-latex (like dap or ?) or if you want longer life, use an elastomeric caulk (most paint stores sell 50 yr caulking, ps. it doesnt last that long). Then paint over it. No need for primer, and paint will go over any caulking except pure silicone. One companies idea of what Navajo white looks like and anothers is rarely the same. You want a continous film of paint, the caulking allows the paint to bridge the gap, crack, seam, etc. that otherwise it couldn't.