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sealing gaps between brick and granite counter top

Posted on 12/19/23 at 10:37 am
Posted by jlsufan
Baton Rouge
Member since May 2021
261 posts
Posted on 12/19/23 at 10:37 am
what's the best sealant to use to seal up the gap between brick wall and edge of granite countertop...this is for my outdoor kitchen where the countertop butts up against a brick half-wall...I'm trying to stop rain from getting between wall and counter

the gap is anywhere from 0 to 3/8 inch in some places




Posted by ItzMe1972
Member since Dec 2013
9783 posts
Posted on 12/19/23 at 10:39 am to
I would use some colored silicone. It'll seal well and be easy to remove to re-do if necessary.

You may need to put some foam in the larger cracks before applying.
Posted by Turnblad85
Member since Sep 2022
1139 posts
Posted on 12/19/23 at 10:46 am to
if wanting to "seal" it then silicone is going to be your huckleberry. To make it look clean up especially up against the brick, take the time to use masking tape for cleaner lines.
Posted by GoldBlooded
Member since Feb 2017
78 posts
Posted on 12/19/23 at 11:19 am to
Lowes Mortar Repair

This should work and it will match your brick mortar

quote:

To make it look clean up especially up against the brick, take the time to use masking tape for cleaner lines.
Definitely agree with this

Posted by BilbeauTBaggins
probably stuck in traffic
Member since May 2021
4306 posts
Posted on 12/19/23 at 3:16 pm to
Clear silicone might look the best in this situation.
Posted by subotic
Member since Dec 2012
2355 posts
Posted on 12/19/23 at 7:12 pm to
Gray grout caulk, IMO.
Posted by keakar
Member since Jan 2017
29921 posts
Posted on 12/19/23 at 8:14 pm to
quote:

sealing gaps between brick and granite counter top


as mentioned, use silicone

and tape off the brick first, as anything the silicon touches will stick and you wont be able to clean it off of the brick surface without it being a PITA.
Posted by Turnblad85
Member since Sep 2022
1139 posts
Posted on 12/19/23 at 8:53 pm to
quote:

Gray grout caulk




yeah sanded grout caulk could look good too. and probably be water cleanup so less challenging to use than silicone.
Posted by 9rocket
Member since Sep 2020
1201 posts
Posted on 12/19/23 at 10:15 pm to
Yeah, gonna need some backer rod in the larger gaps.
Posted by baldona
Florida
Member since Feb 2016
20402 posts
Posted on 12/20/23 at 7:27 am to
Foam backer or you could just caulk it twice, first time a loose job to fill the gap in and the second time for cosmetics.

Depending on how exposed this area is, I’d consider something like NP1 or another high quality exterior caulk as it’s meant for the elements and UV.
Posted by go_tigres
Member since Sep 2013
5152 posts
Posted on 12/20/23 at 7:29 am to
More-flex by sashco. It has a mortar like texture but it’s an acrylic product.
Posted by bluemoons
the marsh
Member since Oct 2012
5505 posts
Posted on 12/21/23 at 6:45 am to
Sanded grout caulk is your answer. I did the same thing in my outdoor kitchen and under my mantle on my fireplace, and you can’t tell the difference between the mortar and the caulk. It looks great.
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