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Stuart Noble Stuart Noble is offline
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Default Paint cracking on exterior door

ste wrote:
nog wrote:
On Sun, 04 Nov 2007 12:06:52 +0000, The Natural Philosopher wrote:

Appelation Controlee wrote:
The paint on our heavy panelled exterior front door has cracked
along joins
between stiles and rails, as well as along the edges of some of the
panels.
I spent much time last year on preparing the door for painting,
including
filling all the crack lines with car body filler, but the (moderately)
immaculate finish I then achieved has been marred by cracking has
recurred
in a similar fashion to how it was before.
Presumably this is because of expansion/contraction, and "working"
of the
different parts of the door against each other. (?)
SWMBO is agitating for me to remedy this, in order to reinstate the
finish
that was in place when I finished the last round of work, but I'm at
a loss
as to how to achieve this without the same problem showing up again
within
months.
Any suggestions? I've been trying to think of ways I can improve the
stability of the door but haven't come up with anything that's
practicable.
Flexible decorators caulk,putty, mastic, or don't use wood.


Perhaps I should have added that it was the flexible variant of car body
filler that I used. That leads me to wonder whether it was its flexible
charcteristic that contributed to the problem?


Car body filler is not flexible enough for wood joints that are subject
to movement, a softer wood type filler should be used, something like
Brummer filler for example.

ste


Brummer stopper is 100% clay, and we know how flexible that is!