minimum shrinkage paintable outdoor caulk


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Old 01-27-04, 04:49 PM
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minimum shrinkage paintable outdoor caulk

i'm having a hard time finding an outdoor paintable caulk with minimal shrinkage. the key word is minimal, since nothing is perfect.

any suggestions?
 
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Old 01-27-04, 06:21 PM
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You will find these in paint departments or stores.

BUTYL RUBBER stays flexible can be painted after seven days after application. About $5. a tube.

POLYSULFIDE adheres only to manufacturer's suggested primers and sets instantly. About $10. a tube.

POLYURETHANE does not need a primer and can be painted. It may contain toluene diisocyannate, so avoid inhaling fumes and skin contact. About $10. a tube.

Any one of these should meet your needs. Be sure to read the instructions on the tubes before purchasing them.

Avoid the following kinds of caulking if shrinkage is a major concern;

ACRYLIC LATEX or LAYTEX

OIL or RESIN-BASED

POLYVINYL

SILICONE, especially the paintable kind.
 
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Old 01-27-04, 08:31 PM
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In all my years of using silicone caulk, I find it does NOT shrink.
And it is very paintable.

fred
 
 

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