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Post Info TOPIC: Kitchen sink sliding down.


RV-Dreams Family Member

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Kitchen sink sliding down.


Hello all, I'm having a problem I'm hoping I can get some help with. We have an under-mounted kitchen sink which is held up with clips that are screwed into a few pieces of plywood that are in turn glued to the bottom of the countertop. The issue is that the glue is failing, and the plywood is slowly separating from the counter, and so the sink has dropped about 1/4" from the counter. Enough so that the seal between the sink and the counter has been broken more or less all the way around and so now water can slosh and splash into the gap.

This happened first about a year after we got the rig, and I "fixed" it by taking it all apart and cleaning everything really well, and using more and better glue, and clamping it nice and tight to allow it to fully cure for over a day, and cleaning off all the old sealant and resealing the sink. 

But obviously the fix hasn't lasted. Before I do this again, and again a year or so later, I want to know if there's a better fix. I don't know what material the counter is made of, so I don't know if I can put the clip screws directly into it and if they will hold. I don't want a different sink, because we like this one, and we don't want to cut the counter or do anything besides just find a more appropriate way to secure the sink to the counter. 

Any suggestions apart are welcome!



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 Trace 

Ford F350 Super Duty 4x2.  Open Range 386FLR

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RV-Dreams Family Member

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Date:

You could try replacing the under-mount sink with one with a lip that sits on the counter.



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RV-Dreams Family Member

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Lee & Tracy:

Get some 3M Marine Fast Cure 5200 Adhesive Sealant.  Clean everything up then follow the directions using this product to affix the wood blocks to the under counter area.  Then mount the sink to the blocks 24 hours later per the curing instructions.  5200 comes in a tube and is a one-step bonding product.  I.e. not a two tube mixed up application.  

I've used this (as have others) to affix (glue) solar panel mounts and boxes to a fiberglass roof.  They don't come off.  Make sure the blocks of wood are positioned correctly as this adhesive is permanent in a marine environment.  I doubt seriously one could remove the wood blocks once this 5200 adhesive has cured.

3M 4200 is a similar product but is considered to be "Removable" albeit difficult.  That is you can separate the two bonded surfaces but it doesn't come apart easily.   ("Ask me how I know this.")

If it were my rig I'd use the 5200 as one doesn't plan on changing sinks very often.

Hope this helps,

Bill

 

 



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Bill & Linda
2014 New Horizons Majestic F37RLTSS 96

2016 RAM 5500HD \ 4-Wheel Drive \ Link Air Ride
Classy Chassis RV Hauler Bed Conversion \ Aux Fuel Tank 



RV-Dreams Family Member

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Date:

Try using larger blocks that cover more surface area with the 3M 5200 suggested above.

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34' 2001 GBM Landau Class A

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RV-Dreams Community Member

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We had the same issue. Finally went to hardware and bought some aluminium angle pieces, cut and wedged between the top shelf and the lip around the sink. Braces tucked out of the way and very stable.

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