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Old 10-20-2018, 05:45 PM   #1
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Sill Plate Damage / Repair


I am currently replacing some trim with PVC and found some damage to the sill beam. I believe this is old powder post bettle damage common in older homes. There was clearly remediation efforts in the past and i see no evidence of anything active in the area. My question is, what would you do before covering up the sill plate again with trim?

I've cleaned out the rot down the sound wood. Should I use minwax wood hardener for good measure? Clear coat? Spray it for future insect repellent? Place poly where i can as a capillary break?

I can possibly wedge some plywood in the larger voids as a shim. Or should i just spray foam wherever I can and call it good? Thanks for your comments!
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Old 10-20-2018, 05:52 PM   #2
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Re: Sill Plate Damage / Repair


I'd soak it down really good with Woodlife CopperCoat Wood Preservative, https://www.acehardware.com/departme...ealant/1363498

Then use Great Stuff Pest Block spray foam to fill up any gaps, https://www.amazon.com/GREAT-STUFF-P...SIN=B007TUF0FY

then cover it back up.

Good luck with your project... and welcome to the forum.
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Last edited by HenryMac; 10-20-2018 at 06:02 PM.
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Old 10-20-2018, 06:00 PM   #3
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Re: Sill Plate Damage / Repair


Check out Abatron Liquid Wood & Abatron Wood Restoration also Abatron Wood Epoxy.
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Old 10-20-2018, 06:41 PM   #4
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Re: Sill Plate Damage / Repair


What henrymac said but I think I might also paint it before covering.
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Old 10-20-2018, 10:30 PM   #5
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Quote:
Originally Posted by HenryMac View Post
I'd soak it down really good with Woodlife CopperCoat Wood Preservative, https://www.acehardware.com/departme...ealant/1363498

Then use Great Stuff Pest Block spray foam to fill up any gaps, https://www.amazon.com/GREAT-STUFF-P...SIN=B007TUF0FY

then cover it back up.

Good luck with your project... and welcome to the forum.
Good stuff, thanks! HD/Lowes/Ace don't seem to stock CopperCoat. I was hoping to take care of this tomorrow but I will hold off until I get some. Thanks again, I didn't know this stuff existed.
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Old 10-20-2018, 10:59 PM   #6
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Re: Sill Plate Damage / Repair


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Originally Posted by LazarusGXP View Post
Good stuff, thanks! HD/Lowes/Ace don't seem to stock CopperCoat. I was hoping to take care of this tomorrow but I will hold off until I get some. Thanks again, I didn't know this stuff existed.
This will do it
https://www.homedepot.com/p/Copper-G...per1/100203025
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Old 10-20-2018, 11:50 PM   #7
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This will do it
https://www.homedepot.com/p/Copper-G...per1/100203025[/QUOTE]

Thanks. For some reason no homedepot stocks it near me in Connecticut (within 100 miles according to the website). I'll double check tomorrow though.
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Old 10-21-2018, 12:02 AM   #8
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Re: Sill Plate Damage / Repair


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Originally Posted by LazarusGXP View Post
Thanks. For some reason no homedepot stocks it near me in Connecticut (within 100 miles according to the website). I'll double check tomorrow though.[/QUOTE]
Any lumberyard that sells treated lumber and some paint stores may carry a similar product.
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Old 10-21-2018, 04:32 PM   #9
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Re: Sill Plate Damage / Repair


abatron's been good to us over the years as has the 'west' system
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Old 10-21-2018, 09:16 PM   #10
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Re: Sill Plate Damage / Repair


Dittos on the preservatives. I wouldn't use epoxy filler, that's for exposed wood that you can't replace for some reason and it has no structural value. I would use insectproof spray foam after the preservative in those openings just to keep bugs and vermin from getting in.

Interesting that you seem to have two vintages of concrete in that foundation, with a kind of a seam there. Looks like maybe someone grew the house a foot or two.
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Old 10-21-2018, 09:56 PM   #11
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Re: Sill Plate Damage / Repair


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Dittos on the preservatives. I wouldn't use epoxy filler, that's for exposed wood that you can't replace for some reason and it has no structural value. I would use insectproof spray foam after the preservative in those openings just to keep bugs and vermin from getting in.

Interesting that you seem to have two vintages of concrete in that foundation, with a kind of a seam there. Looks like maybe someone grew the house a foot or two.
If you follow the manufactures written instructions on the use of Abatron to restore rotten wood this product will work & yes it will restore the wood member back to its original Structural strength. I have used this product dating back to 1984 on a Church constructed in 1700 in Goose Creek SC.

It is St James Church on snake road. if you check the Preservation Briefs the picture in the upper right corner on the front page is the Church.

This product is specified by Architects & Engineers for restoration on Historic Buildings . Also it is used by The National Park Service for Historic restoration of wood.
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