How to frame a 45dgr angle


Old 05-02-09, 03:49 PM
Thread Starter
Join Date: May 2009
Location: North Vancouver, BC, CA
Posts: 1
How to frame a 45dgr angle


We are in the process of replacing our fireplace. Old one has come out, old (crappy) support structure has come out as well.

See the picture below:

The new wall will meet the two existing walls at a 45 dgr angle (top picture). It will be drywalled (with a small bit of cement board just above the fireplace).

Question 1:
If I screw a piece of lumber directly into the wall, I won't have a good service to screw my drywall into (bottom picture). I guess it would be past to have the surface of the lumber be parallel to the drywall. How to achieve that?

Questions 2:
The sctructure will also carry a large LCD TV. What size of lumber would you recommend? Weight is probably max 50kg, bracket will go in two studs.

Thank you for your time!!

P.s English is not my native language, I hope I got all the terms right.
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Old 05-03-09, 06:04 PM
Join Date: Mar 2009
Location: WA
Posts: 1,167
Just frame with 2x4 or 2x6, on edge, to thicken the wall 3-1/2" or 5-1/2". Then add wallboard.

Do not use the fireplace while the television is there! The heat will ruin it, quickly!

Be safe, G

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