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Sycamore Inn 10-05-2011 05:53 PM

Protecting Particle Board Under Sink
Hi ~
I have had a slow leak under my kitchen sink. The particle board did get wet but dried out pretty quickly and I don't think it needs replacing.

What is the best method of protecting the particle board in the event I have another water leak? Would Epoxy work? Any other suggestions?


jklingel 10-06-2011 12:39 AM

Epoxy is water proof; so are several layers of paint. Any way to construct/buy a drip pan? A baking sheet may work. I had one sink that was impossible to seal w/out re-doing some awkward plumbing, so I put a pan under it for a few years till I got to the redo.

PoleCat 10-06-2011 06:53 AM

A place I used to work had bare particle board under the sinks. When ever we flipped an apartment we installed a sheet of floor vinyl. Looked good and won't stick to stuff.

Jessidog 10-07-2011 07:13 AM

My kitchen cabinet is also made from particle board. The most common leak over the years has been when the disposal rusts through and starts to leak. I have a baking sheet (as suggested previously) under it now. The front edge of the floor of the cabinet had the most severe damage with the particle board swollen and broken. I bought a pine Wainscoting kit from Lowes for no more $20, IIRC. I cut away the damaged section and used the Wainscoting and a piece of trim on the cabinet floor. I finished with several coats of polyurethane. It did a nice job of repairing the cabinet floor without extensive replacement and $.


Sycamore Inn 10-07-2011 09:15 PM

Thanks for the replies :) I have a plastic bucket underneath the sink right now but do not want to use a drip pan to solve the problem. I want to seal the board as much as possible and fix the leak then place something over the particle board - plastic - vinyl - whatever.

Thanks again for the suggestions.


littlecleo 10-08-2011 09:43 PM

2-3 coats of an exterior grade polyurethane, such as Helmsman Spar Varnish will seal up the particle board, and protect it from water.

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