Syn-Mar Products, Inc.

Syn-Mar Products, Inc. Grout-Free Showers & Seamless Vanity Tops
Manufactured in Connecticut, USA
Since 1977

Manufacturers of grout-free shower walls, custom shower bases, and one-piece vanity tops in a variety of surfaces including our very own Engineered Stone.

06/17/2026

What’s our best-selling color? White Onyx.

White Onyx is a great option for your next bathroom remodel because of its versatility.

A white background with a bright white swirl, white onyx can complement just about any style.

Check out White Onyx in our showroom, and many other showrooms around the northeast.

06/16/2026

Once cast and fully cured, custom shower wall panels get de-molded and brought to our finishing department for the finishing touches.

Watch the full factory tour, link in bio 🔗

Another beautiful June day here in Ellington. Our office, showroom, and manufacturing plant is located in CT, but we dis...
06/15/2026

Another beautiful June day here in Ellington.

Our office, showroom, and manufacturing plant is located in CT, but we distribute our products throughout the northeast.

Hit the link in our bio to find a dealer near you 🔗

06/12/2026

White Onyx from the manufacturing plant floor.

Since White Onyx is our best-selling color, it’s not uncommon to see White Onyx in production on any given day.

This White Onyx vanity top was just finished by our finishing team and is awaiting packaging.

06/11/2026

White Onyx is our best-selling color.

Watch as a member of our team quality checks a custom, White Onyx shower base.

Every shower base is quality checked to ensure quality standards.

This custom base features a custom drain location and a full-height (4” tall x 4” wide) threshold.

06/11/2026

The permanent sealant, AKA gel coat provides the non-porous, non-staining, and completely waterproof surface on your shower base, shower walls, and vanity top.

Watch the full factory tour and learn how our products are made by clicking the link in our bio 🔗

Full truck loads make us happy! 📦🚚 We deliver all of our products on our own trucks throughout the Northeast. This ensur...
06/10/2026

Full truck loads make us happy! 📦🚚

We deliver all of our products on our own trucks throughout the Northeast. This ensures timely deliveries and 0% LTL damage.

Our skilled drivers are trained in handling our material, so when they get to your loading dock, they can assist you in offloading the truck safely and effectively.

Remember, we sell strictly B2B to bathroom retailers and remodelers throughout the Northeast. Click the link in our bio to find a dealer near you 🔗

06/09/2026

How it’s made: custom vanity tops

We manufacture both standard and custom vanity tops. All of our vanity tops are available with a seamless sink or an under-mounted sink depending on your preferences and style.

Check out our mold set-up department and watch the full factory tour video in our bio! 🔗

New color feature: Nimbus. Fresh off the manufacturing plant floor. This color will be featured in a dealer showroom for...
06/09/2026

New color feature: Nimbus.

Fresh off the manufacturing plant floor. This color will be featured in a dealer showroom for the first time in a beautiful new showroom in Beverly, MA.

Snapped these pictures in our finishing department before they got packaged and shipped 🚚📦

06/07/2026

What’s next for this finished vanity top?

After our seamless vanity tops are quality checked, the final step is to tap out the faucet holes.

Faucet holes in the Syn-Mar vanity top are not drilled, they’re determined and set in the first stage of production.

Watch our finishing team complete the final step in our manufacturing process by tapping out the faucet holes 🔨

Address

5 Nutmeg Drive
Ellington, CT
06029

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

Telephone

+18608728505

Website

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