Thread Number: 84638  /  Tag: Recipes, Cooking Accessories
Plumbers putty vs silicone sealant kitchen sink
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Post# 1090600   9/24/2020 at 23:17 by Dermacie (my forever home (Glenshaw, PA))        

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I recently (9months) ago had my kitchen professionally remodeled. I picked a single bowl stainless steel sink to be installed good quality. I noticed about two months ago a slight drip coming from the basket strainer under the sink only when the sink is full of water. I tightened under there and it seemed to go away( I check it often).

I noticed that it is back and I am wondering if it is because the installer used plumberís putty on the strainer. My father who has since passed built this house and I am positive that he used silicone sealant around the basket strainer in the past and I am wondering if I should take it apart and use that instead?





Post# 1090602 , Reply# 1   9/24/2020 at 23:50 by ea56 (Cotati, Calif.)        

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I used plumbers putty when I put the drains into all of our sinks, never had a leak yet.  As long as you use enough for it to squeeze out from the edges of the drain flange when its tightened down you shouldn’t have any leaks.  I have used silicone on some of the faucet mounting plates, I don’t think its any better than plumbers putty though.

 

Eddie


Post# 1090606 , Reply# 2   9/25/2020 at 02:06 by askolover (South of Nash Vegas, TN)        

askolover's profile picture

Ditto what Eddie said.  I have also used both.


Post# 1090609 , Reply# 3   9/25/2020 at 02:51 by MattL (Flushing, MI)        

Plumber's putty - done correctly will never leak.


Post# 1090625 , Reply# 4   9/25/2020 at 06:11 by Dermacie (my forever home (Glenshaw, PA))        

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I bet he didnít use enough.

Post# 1090629 , Reply# 5   9/25/2020 at 06:39 by combo52 (Beltsville,Md)        
Sealing Disposer and other sink flanges

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I have used both as well but as Matt said plumbers putty will never leak if done properly and does not leave a mess like silicone sealant to try and clean up.

 

John 


Post# 1090630 , Reply# 6   9/25/2020 at 06:51 by chachp (North Little Rock, AR)        
Putty

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I remember a few years ago I was having a faucet put in and the plumber really loaded up the putty.  After he tightened it he cleaned up what oozed out.  He said, we want it to ooz out because that's when you know you won't have a leak.


Post# 1090635 , Reply# 7   9/25/2020 at 07:22 by Adam-aussie-vac (Canberra ACT)        
Why not do away with both,

And just use a flat rubber seal in between the bowl of the sink and the flange of the fitting? It works wonderfully over here and nobody has had any leaks whatsoever since installation

Post# 1090644 , Reply# 8   9/25/2020 at 09:22 by perc-o-prince (Southboro, Mass)        

I always use plumber's putty for the drain flange. When I installed our new sink in the downstairs kitchen last year I used Lexel where it sits on the countertop and found it easy to work with. I suppose that could be used on the drain flange, but when you're used to one thing.... Lexel link below.

Chuck


CLICK HERE TO GO TO perc-o-prince's LINK


Post# 1090669 , Reply# 9   9/25/2020 at 12:48 by Good-Shepherd (New Jersey)        
take it apart and use that instead?

Check the the strainer flange for any damage or defects and reseal with plumbers putty. Tighten the nut firmly but don't over torque.

Silicone sealant would be a nightmare to clean up next time the sink needs the strainer removed.


Post# 1090811 , Reply# 10   9/26/2020 at 15:48 by SudsMaster (East of SF, West of Eden, California)        

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I use the putty.

 

Silicone based products don't seem to have the structural integrity.

 

 


Post# 1091878 , Reply# 11   10/3/2020 at 21:26 by Dermacie (my forever home (Glenshaw, PA))        

dermacie's profile picture
My brother saved the day and took it apart and used plumbers putty. No more dripping.




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