DIY Under-Sink Cabinet Base Repair & Protector Kit for New Homeowners
Opportunity: New homeowners often run into small issues like water stains under sinks and aren't sure how to fix them.
Product/Service: A kit that includes a pre-cut (or easily trimmable to standard cabinet sizes) waterproof, easy-to-install cabinet base liner/cover, the right adhesive or sealant for the edges, and simple, visual instructions.
Expected Benefit: This provides an affordable and easy DIY solution to a common problem, helping to improve the look of the area, cover existing damage, and protect against future minor leaks. It gives new homeowners with limited repair experience the confidence to maintain their property and avoid more costly damage down the line.
Origin Reddit Post
r/howto
How would you fix this sink?
Posted by u/OkGrapefruit3078•05/30/2025
Brand new home owner and not sure how to fix small damage under guest bathroom sink
Top Comments
u/zonker777
Small damage?
u/lawtrueton
First of all, is it continuing to leak? Btw, that's not what a healthy drainage assembly is supposed to look like.
Second, you could replace the bottom board of the cabinet, but is it havi
u/craftsman_70
So, basically rip everything out and redo it the proper way.
u/I-Died-Yesterday
Flip the trap around. Cut the tailpipe to a shorter length. Also, the output trap looks a bit like a garbage disposal output, normally they are not as severe an angle. All the black 'pipe' an
u/Zro6
The only advice I have is make sure you don't run your AC while you do this as that pipe on the right is probably your primary drain line. Also eliminate that entire corroded section with new
u/thehoagieboy
In my experience, once you put the stuff that you should have under a guest bathroom sink, you won't see the water stains anymore.