Silane Seal – 20 SB

Silane Seal 20 Solvent Based is a penetrating sealer for concrete surfaces, such as concrete decks, bridges, parking garages, airport runways, and smooth precast surfaces.


– Prevents concrete spalling and scaling.
– Extremely high alkali resistant.
– Dries tack-free; skid resistant surfaces and non-yellowing.
– Long lasting protection for new and old concrete surfaces.

Technical Data:

– Silane Seal 20 has met or surpassed all of the following specifications.
– SS-W-100 C Federal specifications.
– Alberta Transportation and utility procedure (ATST2a).
– Composition: Alkyalkoxysilane in a hydrocarbon solvent.
– Active Solid: 20%.
– Solvent: Mineral spirits.
– Flash Point: 112° F (44° C).
– Shelf Life: 1 year.
– Chemical Family: Organofunctional Silane and Siloxane.

Applications: Surface should be free of dust, debris, oil, and stains. Caulk all joints and cracks, and patch surfaces before applying.

For Vertical Surfaces: Application can be made with a low-pressure sprayer using 10 to 20 psi, or can be applied with a roller or brush. When spraying vertical surfaces, let the material run down 5 to 15 inches, saturating the surface from the contact point; spray the surface again before the surface dries.

Curing Time: Silane Seal 40 will be dry to the touch in 2 hours. Initial cure will take 24 hours; maximum cure will require up to 7 days.

Clean Up: Use mineral spirits or toluene to clean tools and equipment.

Caution: Not recommended to be used at, or below, 40° F; store product at room temperature. Keep off glass surfaces; if contact occurs, clean immediately. Do not dilute or alter the product. Protect glass metal and other non-masonry surfaces from over spray. Use in a well-ventilated area.

Guarantee/Warranty/Liability: On an individual project base, EST, Inc. will provide a material only written warranty up to 5 years. EST, Inc. has no control over the storage, handling, or use of this product. The guarantee is limited to the purchase price of the defective material only.