molding gaps

Old 06-11-02, 10:46 AM
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Question molding gaps

Any suggestions on how to maintain a seal between moldings and walls/ceiling ? In the rooms I've painted, cracks have generally started to appear after six months or a year.

I've try using silicone caulk, which seems to work fairly well, but on larger gaps (i've got some uneven walls), it begins to show "stretch marks" (for lack of a better term) when the temperature changes.

Any ideas to getting a more permanent seal?
Old 06-11-02, 12:31 PM
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Old 06-17-02, 03:53 PM
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cracks in caulk

A paintable silicone caulk is a good choice, but any caulk will develop cracks if the width or depth of the caulk is too great. Fill the hole with plastic rope caulk (found at home centers - it is a roll of flexible plastic like a rope, in different colors depending on the diameter). Buy the diameter that would leave no more than 1/4" covering of caulk.
Old 06-18-02, 12:03 AM
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Gap between crown molding and ceiling

An adequate bead of flexible silicone caulk tends to do the job. The gap tends to appear as the temperature and humidity in the home cause your home to expand and contract.

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