window jambs

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greg1
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window jambs

Post by greg1 » Tue Apr 03, 2018 10:08 am

what is the material that is used for interior window jambs? Is it wood or mdf? what would be the thickness of it? Or you can just use drywall?

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A. Spruce
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Re: window jambs

Post by A. Spruce » Tue Apr 03, 2018 11:14 am

Where I'm at it is typical to wrap drywall on the top and sides and use wood or mdf for the window stool and apron. If you want to frame the windows, I'd use wood, 1x will suffice, pine or poplar if you're painting, stain grade regardless because you don't want a lot of knots that can break out or cause warping of the materials.

Wood is better than mdf when used in high moisture locations, such as a window, (condensation in the winter) because mdf swells like a sponge when water contacts it and doesn't return, where wood won't be any worse for wear for it.
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Shannon
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Re: window jambs

Post by Shannon » Tue Apr 03, 2018 10:17 pm

Yes any of those materials will work. Many windows will have a channel on them for jambs to insert into so have a look at the thickness on yours if you have them. Most are made to take 1/2" OR 3/4" or even both.
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