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lampskin

06:41AM | 12/29/06
Member Since: 09/24/06
50 lifetime posts
Bvbrush
I pried off a rotten piece of drywall panel from the arch of a doorway. The wood underneath is a little moldy, so I'll have to bleach/TSP the wood.

But anyways, my question is, how do I repair the drywall board and blend it in with all the other sections which are already painted?

I was thinking of cutting a section of drywall to size, then screwing onto the wood. Then I was going to simply mud the joints and edges where it joins the surrounding wall, and then apply paper, and then mud on top.

After the joint is papered and applied with mud, can i just prime and paint?

lampskin

06:44AM | 12/29/06
Member Since: 09/24/06
50 lifetime posts
Exposed wood

lampskin

06:48AM | 12/29/06
Member Since: 09/24/06
50 lifetime posts
picture
5629-door_arch

lampskin

06:50AM | 12/29/06
Member Since: 09/24/06
50 lifetime posts
Door arch again. Note the mildew and mold.
5630-doorway_ii

lampskin

06:57AM | 12/29/06
Member Since: 09/24/06
50 lifetime posts
When I was doing my prep work prior to painting the room, I also found that the tape was bubbling up on the wall corners where the two perpendicular sheets of drywall meet.

This was causing the paint to bubble up as well.

In an effort to fix this, I cut the paint away around the corners and cut off the bubbles in the tape.

How can I redo the corners of the wallboards?

Do I just mud and retape, then mud again and paint over?

Thanks in advance for any help
5631-wall_corners

Billhart

08:13AM | 12/29/06
Member Since: 04/25/05
1915 lifetime posts
My first question is how it got wet. You need to verify that the source of the problem is corrected first.

You do not want to use DW tape on an outside corner. To hard to get it straight. And it is not strong enough.

What you want to use is Corner Bead. You can get it is metal which is screwed or nailed on. Or plastic. Some of the plastic uses a spray on adhesive. Others use put mud on the corner and then press the bead into place.

The home horror stores will have at least one type.

Only use the paper tape where you have inside corners or are joining it to an existing piece of DW in the same plane.

As it dries the DW mud will shrink so it take several coats. And sand it so that it makes a smooth transistion to the existing DW.

And prime all of the new DW and mud.

lampskin

11:35AM | 12/29/06
Member Since: 09/24/06
50 lifetime posts
I went to my local timbermart and picked up 3 eight foot sections of metal corner bead.

I cut them to size with my dremel, and now all i have to do is cut and sand the drywall down so that the beads will be flush with the rest of the wallboard.

I used a mixture of TSP and bleach to take care of the mold and mildew on the board underneath the top of the doorway.
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