fill in gap from wood rot

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Old 07-30-18, 08:16 AM
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fill in gap from wood rot

Hi,
Noticed some wood rot near the entranceway and started picking away at the soft parts till it came out. Though now I have this hole that I need to fill in.

The first picture is where I started to remove the wood rot
https://www.doityourself.com/forum/a...1&d=1532959929

This second picture is where I fill in some spaces with scrap wood.
https://www.doityourself.com/forum/a...1&d=1532959929

The hole is still pretty big, I was thinking of using backer rod to fill the rest of the hole and then wood putty or caulking to fill in the gaps and finish it off with paint. Is this a good idea? Any other suggestions would be greatly appreciated. Thanks!
 
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Old 07-30-18, 09:17 AM
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Ideally you'd cut out and replace with new wood but caulking and paint should be ok.
 
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Old 07-30-18, 10:06 AM
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ok thanks!
Another idea was to use perforated joint tape and spackle, but I'm not sure if it would hold. Especially when winter comes.

https://www.lowes.ca/wall-ceiling-re...rm=wall-repair

https://www.lowes.ca/construction-ad..._g1436986.html
 
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Old 07-30-18, 10:17 AM
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Interior spackling would not hold up to the elements and I wouldn't trust exterior spackling for that type of repair. Caulking will remain somewhat flexible and be better able to withstand seasonal changes.
 
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Old 07-30-18, 10:57 AM
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ok, makes sense. Thanks for the quick reply
 
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Old 07-30-18, 11:14 AM
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I've had good luck using fiberglass body filler (for cars); but your job may be too small to warrant the purchase. This product requires that you use a catalyst to mix the concoction.

The area would have to be clean and dry; but the product is intended to be subjected to the weather. I repaired an Oak threshold with it and I know it withstood 12 years of usage afterwards . . . . and I had no complaints from the 1987 Buyers of that house.
 
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Old 07-30-18, 02:19 PM
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Bondo is an excellent material to use to fill in voids!
 
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