How to Replace Rotted Sections of an Old Garage Door Frame?

2 August 2025 3 answers
Asked by RustyNailz42
I recently discovered that the wooden frame of my garage door is rotting while I was swapping out the wood trim for PVC trim before painting. Built in the mid-80s, the original wood was nailed directly into the concrete with these rusty spikes still stuck in there. I've cut away the rotted parts and I'm looking for suggestions on how to properly replace these sections. Should I go for pressure-treated wood? And how can I secure the new pieces to the wall and the studs above without having to take apart the whole garage?

Answers

ToolTimeTim
Make sure to seal the ends of both the old and new wood before doing the replacement. This will really help in preventing any future rot from happening.

RustyNailz42: Thank you! I'll definitely remember to do that.

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FixerUpperJess
If you're considering replacing the entire 2x6, using pressure-treated lumber is actually okay in the garage since it’s exposed inside. Just keep an eye on it for any moisture issues down the line.
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HandyAndy77
Definitely clean the concrete with a wire brush first, and then use construction adhesive along with treated wood for the fix. It’s a solid "low effort" solution!

RustyNailz42: Excellent, that's exactly what I was thinking! Thanks for the tip!

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