Silicone
- lasts 12-30 years
- best adhesion>/li>
- use in seams, cracks, gaps up to 1/4"
- good for all surfaces
- may not take paint
Butyl
- lasts 8-10 years
- some shrinkage
- use in seams, cracks, gaps up to 1/4"
- available in many colors
Acrylic Latex Silicone
- lasts 12-20 years
- easiest application
- use in seams, cracks, gaps up to 1/4"
- may not take paint
Acrylic
- lasts 8-10 years
- water clean-up
- use in seams, cracks, gaps up to 1/4"
- no odor
Latex
- lasts 2-10 years
- water clean-up
- use in seams, cracks, gaps up to 1/4"
- most are paintable
- available in many colors
Oil Base Asphalt
- lasts 1-4 years
- soft and tar-like
- use in seams and gaps on roof around chimneys, stacks and pipes to 1/4"
- hardens rapidly
- cracks
Caulking Cord
- lasts 1-2 years
- peel from roll then push in place
- temporary filler around storms, air conditioner
- comes in rolls, unused portion can be stored for years
Oakum
- twisted hemp treated with tar
- cut to needed length then push in place
- stuff large gaps then caulk over the oakum
Glazing Compound
- lasts indefinitely
application requires some practice with a putty knife
- use as a seal between window glass and frame
- often overlooked as an area needing repair
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