Can this be used with clear spar varnish?

This product is basically very clean fine white sand. When mixed with paint, and I suppose varnish, when it dries, it creates an anti-slip gritty surface.

Can this be added to Thompson’s water seal?

I don't know. I used it in paint for in front of my stoop, which was very slippery from water rolling off my roof. It worked great.

Did anti-slip also provide 'cool' deck?

Since my small boat has an aluminum hull, it stays the temperature of the water. The additive is nothing much more than fine white sand and when mixed with paint forms the anti-slip rough surface. Use a good deck paint.

Would this work well on a diving board?

I would think so. I used it on the fiberglass floor of my boat, and the texture is very similar to that of a diving board. I would use the rustoleum marine paint with it.

Rust Oleum Marine Coatings Anti Slip Additive Half Pint

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COP 130850

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Grip the future with Rust-Oleum’s anti-slip additive—because safety never goes out of style!

RAPID READY - Achieve full cure in just 2 hours, minimizing downtime and maximizing productivity.
TRUSTED QUALITY - Backed by Rust-Oleum’s 4.6-star rating and decades of industry-leading innovation.
COMPACT CONVENIENT - Half-pint bottle covers up to 7.5 sq ft—ideal for targeted, professional-grade applications.
SLIP PROOF CONFIDENCE - Transform any surface into a secure, anti-slip zone—perfect for high-traffic areas.
VERSATILE SURFACE COMPATIBILITY - Seamlessly enhances fiberglass, wood, and metal with a durable, glossy finish.

Rust-Oleum Marine Coatings Anti-Slip Additive (Half Pint) is a specialty acrylic additive designed to create a durable, anti-slip surface on fiberglass, wood, and metal. It delivers a crisp white gloss finish, dries and cures fully within 2 hours, and covers 5-7.5 sq ft per half pint. Ideal for both indoor and outdoor use, this product enhances safety without compromising style, backed by a strong 4.6-star customer rating.

Reviews

J**N

Good stuff for anti slip

You don't need much to make the surface anti slip

9.11.2025

A**V

Awesome non skid additive

Great stuff, mix before every roller dip before spreading. Did one layer , then did a layer of paint over the top for added durability and makes it less harsh.

16.04.2026

R**N

This was the right product

I used it & mixed it with full gloss,oil based paint to paint the floor of my RV Shower & Toilet.Easy to use!Worth every penny!

10.07.2020

K**.

Worth it

Fine sand works well

22.04.2026

A**Z

Amazing

Used it mixed with paint and it has worked very good. Lots of grip and not sharp on bare feet

8.12.2022

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COP 130850

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Brand	Rust-Oleum
Colour	White
Finish type	Gloss
Item volume	4 Fluid Ounces
Size	1/2 PINT
Special features	Anti-Slip

Rust-Oleum Marine Coatings Anti-Slip Additive Half Pint

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