Slider door frame rot

Not always energy-related. If not, put it here.
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kevm14
Posts: 15200
Joined: Wed Oct 23, 2013 10:28 pm

Slider door frame rot

Post by kevm14 »

I knew about this when we bought the house but I finally realized how bad it had gotten and for my deck project, I wanted to paint the trim around the slider since it was due. So I had to do something.

First I took a putty knife and got rid of all of the soft wood that I could. I also planed it down to make the surface more even after the putty knife work. It is pretty rotted. Here it is after power washing the trim.
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This end is the worst. The brick mold is gone at the last 3 inches. I could actually repair that with wood but I didn't.
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Some close-up shots to see what I was left with after digging out the rot.
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kevm14
Posts: 15200
Joined: Wed Oct 23, 2013 10:28 pm

Re: Slider door frame rot

Post by kevm14 »

To prep, I chose a product called Wood Hardener by Minwax. It is very thin and you brush it on. The solvents evaporate quickly and it hardens the wood, sealing it from further rot.
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While that was curing or whatever it does, I painted the trim which does look much better now.
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Next I decided to fill as much of the actual holes as I could with expanding foam.
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I moved on to filling. DAP makes a product call Plastic Wood which is a filler. I used a squeeze tube and an entire 32 oz tub. It took 3 or 4 days to dry and then had to dry again after it rained. This stuff cannot get wet - it needs to be painted asap.
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Mmm, I'm sure on my way to a quality repair!
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Here's the stuff I used. If you believe the marketing, it sounds like it might actually be a structural repair...
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Today when I stained the deck boards I added a second coat to level it out. Here's what I've got now. Haven't sanded yet. I need to sand and paint this before it rains...
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It might actually come out alright and I am convinced this is better than doing nothing. This is the original door from 1975 so I should probably start saving up for a new one. It is an 8 footer, which is fairly large.
kevm14
Posts: 15200
Joined: Wed Oct 23, 2013 10:28 pm

Re: Slider door frame rot

Post by kevm14 »

This stuff is super sensitive to moisture. Basically I've gone through several iterations of applying the filler, then it rains and gets ruined, and I have to reapply and smooth it out again. Finally we had some dry weather and I was able to sand it smooth and paint!

After sanding with 120.
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Oh boy, I discovered more rot that I somehow missed before. I will have to harden this and do a mini filler exercise but this is obviously a very small area so it should be manageable.
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After one coat of my usual Behr ultra premium exterior paint. That is 100% better, no?
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