Questions and Answers for Rust-Oleum OKON 5 gal. S-20 Penetrating Repellent Sealer

A:  Happy to clear things up! Rust-Oleum Zinsser Okon S-20 Penetrating Sealer can be used on interior bare masonry surfaces, as well as exterior bare exterior surfaces above ground. This penetrating sealer is intended for denser concrete and masonry, and it will create a hydrophobic barrier against water intrusion on the surface. Please keep in mind, this product does not provide protection against hydrostatic water pressure, efflorescence caused by interior moisture sources, or moisture penetration through cracks in mortar, expansion joints or junctures between dissimilar materials. - Rust-Oleum Product Support 3

A:  Thank you for reaching out! Rust-Oleum Okon S-20 Penetrating Repellent Sealer is intended for use on vertical surfaces only. We do not recommend it for use on horizontal surfaces such as floors. - Rust-Oleum Product Support 3

A:  Read the write up about the product and or call the manufacturer.

A:  Rust-Oleum OKON S-20 Penetrating Repellent Sealer can be used on horizontal or vertical surfaces. It protects Cast concrete, tilt-up panels, non-glazed brick, cementitious stucco and other comparably dense materials. We do not recommend it for use on sealed surfaces. We want to hear more about your application and offer further assistance. Please give us a call at 888-683-5667 to talk with us. - Rust-Oleum Product Support 3

A:  Yes it is, I apply it every other fall, goes on great with a weed sprayer, great product

A:  Happy to help, Teresa! While Rust-Oleum Okon S-20 Penetrating Repellent Sealer can be used on horizontal surfaces, we do not recommend it for use on surfaces that receive vehicle traffic. - Rust-Oleum Product Support 3

A:  Rust-Oleum Okon S20 Penetrating Repellent Sealer will cover up to 150 sq ft. Please make sure to follow the instructions to determine the exact square footage based on your substrate. - Rust-Oleum Product Support 1

A:  This product covers 150 square feet.

A:  I applied over paint with no problem. I also sprayed a 36x 11x7 shed building walls (3) coats and 5 gallons was plenty

A:  We appreciate your interest! Since Rust-Oleum Okon S-20 Repellent Sealer is a penetrating sealer, it is intended for use on bare and unsealed masonry surfaces only. The coverage rate will be dependent on the surface type and how textured the surface is. The rage for a gallon can vary between 50-150 square feet. - Rust-Oleum Product Support 3

A:  After reading about it I assumed it was not going to work so my follow up question of "if not what do you recommend?" is still valid. Is there something that you can recommend?

A:  Thank you for reaching out, John! Rust-Oleum Okon S-20 Penetrating Repellent Sealer is intended for use on dense concrete and masonry surfaces above ground only, since below-grade surfaces are constantly exposure to moisture and humidity. - Rust-Oleum Product Support 3

A:  No, the product is not suitable for that application.

A:  Happy to clear things up, Bill! Rust-Oleum Okon S-20 Water-Repellent Sealer is intended for use on dense concrete and masonry surfaces such as cast concrete, tilt-up panels, non-glazed brick, cementitious stucco and other comparably dense materials from the damaging effects of water absorption. This product is not intended for use on foam surfaces. - Rust-Oleum Product Support 3