AP-1400 Silane/Siloxane Waterproofing

Product Fast Facts
Provides Good Adhesion for Paints
Resistance to Alkalis
Rapid Development of Water Repellency


United Asphalt‘s Armour Proof AP-1400 Silane/Siloxane Waterproofing is a high performance concrete and masonry sealer. A solvent-free emulsion based siloxanes for the hydrophobizing impregnation of absorbent, mineral substrates with excellent beading properties. Armour Proof AP-1400 Silane/Siloxane Waterproofing is an excellent water repellent for many absorbent mineral substrates, such as bricks, sand-lime brick, natural sandstone and mineral plasters. AP-1400 may also serve as a water-repellent primer for emulsion paints and plasters, silicone resin emulsion paints and silicone resin plasters.


100-200 sq.ft. / gallon

Application Information
Required PSI Spray Rate Gal/Min Coverage Rate Gal/100Sq.Ft. Tip Size
Brush / Roll / Pump-up Sprayer N/A N/A N/A


Mechanically mix before using. Apply with a brush, roller or an airless sprayer. Do not thin.

Suitable Roof Substrates Use as part of a System
Metal BUR Modified EPDM TPO PVC Concrete Masonry Stucco EIFS

Preparation of Substrate

Clean surface to be coated. Sweep off all loose dirt, dust and debris. Scrub grease and oil spots with an all-purpose detergent.


Soap and water can be used to clean tools before this product dries. Dried material may be cleaned up with mineral spirits or waterless hand cleaner. Use care when handling solvents.

Available Colors for AP-1400 Silane/Siloxane Waterproofing