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Old 01-19-2012, 05:45 PM   #1
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Dentil crown and caulking question


I'm a home owner who has recently put up a good bit of trim around the house... A lot (about 5k worth of trim)... I'm thinking to save cost on hiring a painter that I'll caulk it all before I get my quotes (it also gives me an opportunity to smooth any bad joints and such with sand paper as I run into them). I'm a good caulker no questions there about applying it, the only real question I have is about the dentil blocks. I used 1-1/4" MDF dentil blocks around 3 rooms. Do I need to caulk each one of these where they adhear to their MDF backer as I would the straight line joints between trim pieces? What is your experience or advise.

Charles..

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Old 01-19-2012, 05:54 PM   #2
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Dentil crown and caulking question


A picture of what you have would be nice if you can.
I use Alex 230, 99 % of the time.
Apply a tiny bead, wipe with with a finger to push it in, wipe down with a damp stuff sponge with Scotch Brite on one side and the sponge on the other side. One wipe with the Scotch brite pad first and one swipe with the sponge and it's perfect.
Any time I'm working with Dental molding I prime and paint it before installing it and use a spray gun.
All the walls get primed and painted before the trim goes up.

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Old 01-19-2012, 06:55 PM   #3
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Dentil crown and caulking question


Quote:
Originally Posted by joecaption View Post
A picture of what you have would be nice if you can.
I use Alex 230, 99 % of the time.
Apply a tiny bead, wipe with with a finger to push it in, wipe down with a damp stuff sponge with Scotch Brite on one side and the sponge on the other side. One wipe with the Scotch brite pad first and one swipe with the sponge and it's perfect.
Any time I'm working with Dental molding I prime and paint it before installing it and use a spray gun.
All the walls get primed and painted before the trim goes up.
Then how do you caulk the trim to the walls, if everything is finished?
Obelix, two things:
A picture of what you're actually talking about would be nice.
Personally, as a pro, and no offense, I wouldn't be happy bidding on a job where you did all my caulking. I've had people over the years ask me if they could do some of the prep to save money. I say to them, if you're going to part, do it all, because I'm not interested in doing two thirds. The finished product is mine, it's not a joint effort.
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Old 01-19-2012, 08:29 PM   #4
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Dentil crown and caulking question


maybe i didn't catch it, but you need to prime first then caulk
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Old 01-20-2012, 09:24 AM   #5
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Dentil crown and caulking question


If one primes, then caulks, don't you have to prime the caulk before painting? I admit, stuff shows up after priming.
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Old 01-20-2012, 09:39 AM   #6
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Dentil crown and caulking question


Why do people always ask for pictures? We can tell what they're talking about.
A agree that painters want to do their own prep, including caulking. It's for your own protection as well. This is because if you're not happy with the job, the painter can just blame it on your caulk job.
And they want to do a good job for you, they don't want to paint over a bad caulk job.
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Old 01-20-2012, 11:17 AM   #7
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Dentil crown and caulking question


The ideal situation is to prime before caulking. Not so much for better bonding, which it gives you, but you can smooth the caulk out better on a primed or painted surface rather than bare wood. You do not need to prime the caulk, it's ready for paint, but whenever possible let the caulk dry for a day before painting so you don't smush it back into the cracks and mess up your smooth beads. You can caulk to an already painted wall but don't let the caulk go further onto the walls than the trim paint will go.

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