I have a question about crown moulding. I have some crown moulding that
the caulk line in separating on. I talked to a man at Lowe's and he said
that due to extremes in the weather here, hot and cold, that the only
thing that would work is silicone caulking. My friend who put it up is a
contractor, so he did a really nice job, even gluing joints etc. My
friend said it wouldn't be a good idea to use silicone, since it can't
be sanded. He then laughed and said at least I have really nice crown
moulding in the winter. Is there something I can use that wouldn't
shrink and expand like that. It's making me crazy. Any help would be
It is hard to say about the cause. There are techniques that can reduce
problems with expansion and contraction.
As for filling the joints, I would not use silicone. It tends to not
work well for a number of reasons including holding paint and problems
sanding it. Use painter's calk.
is the molding painted? if so, you can use a paintable latex caulk
such as "big stretch" and paint over it. silicone should not be used
since it can't be painted over. silicone is used as a sealant, not as
a painter's caulk. the big box stores are very poor places to get
advice. if the gap is not painted (the molding is natural wood), then
you are stuck with using wood putty that remains flexible.(use a
non-drying putty such as "color putty" and test it out to see that you
have a good color match) if there is a gap between natural wood and a
painted wall, you can put painter's tape on the wood, caulk with
paintable latex caulk, touch up the paint, and pull the tape.
Don't use silicone. It can't be painted. What you want is "Elastomeric"
caulk. Ask the paint guy at Home Depot, or better yet, a real paint store.
The brand I use is "DAP Premium Elastomeric Latex Sealant". I've never had
a problem with cracking on baseboards nor crown mouldng.
I would agree one of the betterDAP's (not DAP painters caulk) is a better
Also, various companies have made paintable silicone for some time now,
including DAP: http://www.dap.com/product_details.aspx?product_id (4
On Sun, 27 Aug 2006 15:21:06 -0700, "Cheri" <gserviceatinreachdotcom>
All wood moves. The molding should have been coped such so that the
visibility of the cracks are minimal. If your molding is painted use
caulk that can be painted. I'm not sure if silicone caulk can be
"Cheri" <gserviceatinreachdotcom> wrote in message
The caulk being referenced, hopefully, is siliconized acrylic latex caulk.
This is NOT the same as silicone. Go to Sherwin-Williams and buy some 1100A
caulk. It is the caulk spec'd by the Sherwin-Williams techs for replacing
other caulks that have failed (like the colored caulks). They do offer a
better caulk, but who needs anything better than 55 year caulk?
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