ZAR® and DRYLOK® brands are backed by 90+ years of industry experience. We partner with pros every day, providing application expertise, technical assistance, training, and job site support.

A versatile masonry waterproofer that can be applied interior& exterior. Guaranteed to stop water up to 10 psi and resists 98 mph hurricane winds.

DRYLOK® Extreme Masonry Waterproofer is a versatile masonry waterproofer that can be applied interior, exterior, above or below grade. Learn more.

Product Guides Downloadable guides, charts, and color cards to help you choose and use the right products for your project

Drylok® Floor & Wall Masonry Waterproofer is a non-pigmented versatile waterproofer specially formulated to use on bare floor and wall surfaces.

Discover DRYLOK®, the leading choice for masonry paint in America. Explore a variety of specialized formulations crafted to ensure peak performance, perfectly suited for enhancing and restoring your …

Explore all the products from the DRYLOK® System — now available for sale online!

A versatile masonry waterproofer that fills and permanently seals pourus masonry against water migration, forming a bond that becomes an actual part of the original surface.

You have to use the tips of the bristles to push DRYLOK ® into the pits and crevices of the uneven surface. Only then will it form an impenetrable barrier and keep water at bay.

A. DRYLOK® Masonry Waterproofer is not recommended for use on anything other than bare masonry and concrete surfaces. It can be applied to porous terra cotta, concrete, stucco, and cement.