Thread: Stucco trim and details
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12-31-2012, 11:13 AM #1
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Stucco trim and details
Want to stucco a house originally designed for wood-trim-and-claps exterior. Seeking best-practice details. The house will be built in the Colorado Springs area and I live two time zones away.
Stucco will be the three-coat conventional system finishing out at about 7/8" thickness, in the field areas where clap siding is used otherwise. Windows will be flange-mounted to framing through sheathing, leaving the inconvenient flange bulge.
A number of the window runs are grouped and done with a two-stud mull between, not factory-mulled. We do not want to factory-mull, as we want the wood trim inside per original design.
How are casings and trim done with these stucco systems? I have looked into things and see a lot of foam board being used for this. If foam is used to do the boosts, are the boards wrapped in a mesh and coated with mud as a first coat before they are installed?
What is a good resource for knowledge about this, for someone who lives in an area where stucco is not used at all?
Here is a picture of a place in Denver, an hour up the road, with stucco exterior. The upper windows are grouped as I discuss above, and have stucco casings surrounding and in-between. It is those casing details I seek.Last edited by IamTheWalrus; 12-31-2012 at 11:21 AM.
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12-31-2012, 04:41 PM #2
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Re: Stucco trim and details
Foam is common for the "trim."
Based on your query there must not be an architect around ot spec the details.
http://www.mnlath-plaster.com/produc...o_features.htm
http://www.nwcb.org/content/stucco-guide
MOst of the details you need can be found at the two sites listed above.
Why not use "one coat" stucco?
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12-31-2012, 08:13 PM #3
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Re: Stucco trim and details
When you say that, "Windows will be flange=mounted to the framing through the sheathing",do you mean that the sheathing will be applied after the windows have been fastened to the framing?
Beyond that it depends upon the look you are trying to achieve. E.g. Do you want to play down the windows or do you want them to appear as a prominent feature?
Obviously you can just plain Jane it and butt the stucco to the window frame(66 trim), use foam trim styled to your liking, or the old fashion way where wood casing is furred out to allow the stucco to go behind the casing. (that is the way my 84 year old house was done)
Then there is the Santa Fe adobe look, but I doubt that is the look you have in mind. Good luck
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01-01-2013, 10:42 AM #4
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Re: Stucco trim and details
"... Windows will be flange-mounted to framing through sheathing, leaving the inconvenient flange bulge. ..."
Plus, its tape-to-sheathing thickness.
After drainage plane/moisture barrier & 7/8-in stucco, 'reflected flange' will disappear.


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