AP-5100 Moisture Cure Polyurethane

Product Fast Facts
Resists Ponding Water
Highly Reflective
Great Adhesion to Single-Ply Roofing


United Asphalt‘s Armour Proof AP-5100 Moisture Cure Polyurethane is a single component, moisture cure polyurethane roof coating to protect EPDM single-ply membrane, sprayed-in-place polyurethane foam, insulation, wood, metal and BUR substrates. AP-5100 Moisture Cure Polyurethane provides a durable, seamless, flexible, waterproof membrane, resisting lateral movement, shear, and will allow for normal expansion and contraction. AP-5100 offers increased moisture protection through its lower moisture vapor permeability values.

Real Results

Coverage and Drying Time

Apply AP-5100 at a rate of 1.25 gallons per 100 square feet, according to the substrate and condition. Minimum dry mil thickness shall be 25 mils. Normal drying time is 6 hours to touch, tack free in 8-12 hours. Successive coats must be applied within 48 hours to insure proper adhesion.

Application Information
Required PSI Spray Rate Gal/Min Coverage Rate Gal/100Sq.Ft. Tip Size
3500 3 – 4 1.5 .031 – .039


Apply by brush, medium nap roller or airless sprayer.
Airless spray: Minimum pump pressure 2500 – 3000 psi
Tip Size: .035”

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

Preparation of Substrate

Surface must be pressure washed clean, free of all loose particles, dirt debris and other contaminants that could inhibit adhesion. Refer to the Armour Proof Coatings Specification for detailed instructions on how to prepare the specific substrate.

Limitations and Precautions

Avoid moisture contamination in sealed containers. Store in a dry environment at temperatures between 40° – 100° F. KEEP AWAY FROM HEAT, OPEN FLAME OR SPARKS. USE ONLY IN WELL VENTILATED AREAS WITH PROPER PROTECTIVE EQUIPMENT. Avoid breathing vapor or mist.

Available Colors