About
TERSO MR® specializes in moisture migration control and joint stabilization for natural stone and porcelain shower assemblies. We work with both new installations and existing assemblies experiencing retained moisture, joint movement, darkening shower floors, or early performance concerns. Our services include water entry evaluation, localized stabilization, joint correction, and protective treatments performed without demolition. TERSO MR® supports long-term assembly performance beyond the surface finish and complements standard installation provisions across residential and high-end projects throughout New York City and Northern New Jersey.
Contact us
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
| Sunday | Closed |
Posts
Services
Shower Assembly Preventive Stabilization
For new or recently completed natural stone and porcelain installations. TERSO MR® provides post-installation water migration control and joint stabilization to support long-term assembly performance — without altering finished surfaces. Serving NYC & Norther New Jersey
Shower Assembly Condition Correction
Marble shower floor dark in NYC? Water under shower tile? TERSO MR® provides non-demolition moisture control and joint stabilization for natural stone and porcelain showers. We address trapped moisture, grout cracks, and persistent damp areas. Serving NYC & Northern NJ.
Reviews
5 out of 5
(4 reviews)
5
5
4
3
2
1
Margot Steinberg
a month ago
We had an 18 year-old bathroom with stone that was full of mold and cracking in the shower and on the counters. Erick of TERSO MR came in and did the most extraordinary job so that everything looks absolutely brand new. I was ready to put in a brand new bathroom and now it just looks spectacular.
Joani Morales
4 years ago
I have used Terso MR twice already and again they did not disappoint ! Their dedication to their work is really unmatched. Their work ethic and professionalism is really a breath of fresh. I had my outdoor front steps re-grouted and cleaned and I was truly amazed by how amazing the final result was. It appears as if we had the steps redone. I will definitely be using this company again and I highly recommend them.
About
TERSO MR® specializes in moisture migration control and joint stabilization for natural stone and porcelain shower assemblies. We work with both new installations and existing assemblies experiencing retained moisture, joint movement, darkening shower floors, or early performance concerns. Our services include water entry evaluation, localized stabilization, joint correction, and protective treatments performed without demolition. TERSO MR® supports long-term assembly performance beyond the surface finish and complements standard installation provisions across residential and high-end projects throughout New York City and Northern New Jersey.
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
| Sunday | Closed |
Services
Shower Assembly Preventive Stabilization
For new or recently completed natural stone and porcelain installations. TERSO MR® provides post-installation water migration control and joint stabilization to support long-term assembly performance — without altering finished surfaces. Serving NYC & Norther New Jersey
Shower Assembly Condition Correction
Marble shower floor dark in NYC? Water under shower tile? TERSO MR® provides non-demolition moisture control and joint stabilization for natural stone and porcelain showers. We address trapped moisture, grout cracks, and persistent damp areas. Serving NYC & Northern NJ.
Contact us
Posts
Reviews
5 out of 5
(4 reviews)
5
5
4
3
2
1
Margot Steinberg
a month ago
We had an 18 year-old bathroom with stone that was full of mold and cracking in the shower and on the counters. Erick of TERSO MR came in and did the most extraordinary job so that everything looks absolutely brand new. I was ready to put in a brand new bathroom and now it just looks spectacular.
Joani Morales
4 years ago
I have used Terso MR twice already and again they did not disappoint ! Their dedication to their work is really unmatched. Their work ethic and professionalism is really a breath of fresh. I had my outdoor front steps re-grouted and cleaned and I was truly amazed by how amazing the final result was. It appears as if we had the steps redone. I will definitely be using this company again and I highly recommend them.
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