Product 305 Specification Sheet

DESCRIPTION: Pro-Coat Roof Coating is an elastomeric acrylic polymer elastomeric roof emulsion with CERAMIC MICRO-SPHERES for insulation. A top grade coating designed for maximum protection against sun and weather. The reflective value of this product helps to reduce interior temperature and protects the roof and roofing membrane by reducing heat absorption, asphalt oxidation and rapid thermal dimensional changes. It also decreases the chance of excessive loads placed on cooling equipment.
USES: Pro-Coat Roof Coating is a premium product formulated to have exceptional adhesion and durability over polyurethane foam roof surfaces. Used to provide a durable, water resistant, decorative and energy saving finish for foam roofs and most other sound roof surfaces. May be used over de-greased or weathered concrete, cured cold applied asphalt coatings, smooth surface roofings, most prepared mineral surfaced roofings and hot-mopped built-up roofing.
SURFACE PREPARATION: A clean surface is absolutely essential for proper adhesion of this material. All dirt and unsound accumulations must be removed. Use a good quality chlorinated compound to remove any mildew or algae which may be present. Rinse with water. Where necessary, use brooming and high pressure water hosing to clean the base surface. Allow water to completely dry before proceeding. Roof substrate must drain within 48 hours. (1)Built-up Roofing: Must be 1 month old or more. Clean and prime first with 1 gallon per 100 square feet primer and allow to dry before application of finished white surfacing. (2)Granule Surface: Must be clean, sound surface with no loose or foreign material. (3)Metal Roofs: It is important to wire brush and remove rust areas and prime with rust inhibiting primer. All fasteners must be tightly secured or replaced and encapsulated with Elasto-White Patching Cement. All roof seams and flashings must be covered with Elasto-White Patching Cement and membrane reinforcement. (4)Polyurethane Foam Roofs: Apply directly over new or existing white coating.
APPLICATION: Stir in container until uniform in color and consistency. For Brushing: Use a soft nylon bristle broom or brush and apply with long even strokes. Avoid over-brushing. Do not attempt to retouch while film is drying. Wait until cured before applying 2nd coat. For Roller: Medium to long nap for textured or rough surfaces. For Spray: Airless spray system with a minimum working pressure of 3000 PSI. Coverage rates will vary depending on porosity of surface as well as roof pitch. One coat can suffice. However, two coats are recommended for maximum reflectivity, durability and life cycles. 
Recommended Coverage Rates: (1)Mineral Surfaced Roll Roofing - 3 gal/ 100sq. ft.; (2)Metal Roofing - 1 to 2 gal/100sq. ft.; (3)Concrete Tile or Smooth Roll Roofing - 1.5 to 2 gal/100sq. ft. Recommended application is two coats (1/2 of above coverages for each coat) applied at right angles to previous coat by brush, roller or spray. First coat must dry before second coat is applied. During application, keep tools clean and free from coating build up by rinsing frequently with water. Do not apply over uncured cold applied asphalt coating, wooden shingles, shakes, flood coats of hot melt asphalt or coal tar, or bare or rusted steel. Asphalt must be dull, not glossy. Do not apply unless temperature is 50°F and rising. Do not apply when rain or frost is forecast within 24 hours after application. Conditions of high humidity will prevent curing in the usual four hours. Avoid heavy foot traffic. KEEP PRODUCT FROM FREEZING 
CLEAN-UP: Clean brushes, tools and other equipment with soapy water immediately after use. Dried film may require paint remover. 
PHYSICAL PROPERTIES: Solids by Weight: 68%.; Weight per Gallon: 12lbs.; Drying Time at 50% Relative Humidity & 70°F: Touch: 2 hours, Firm: 4 hours; Flammability: Wet Film: None; VOC: < 150 grams/liter; Elongation: 300%; Tensile Strength: 300 PSI; RESISTANCE: TO ACIDS - Excellent. TO ALKALINE - Good. TO GREASE & SOLVENTS - Very Good. Viscosity: 6500 CPS(± 500)

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