Foster® VAPOR-SAFE® coating AF is a water-based, fire-resistive, flexible, high-solids, vapor retarder finish for most types of thermal insulation, including polystyrene foam. It may be used over dry concrete and finishing cement. It is designed for use in high humidity areas to resist mold, fungus and mildew growth on its surface and protect the insulation system from their discoloring and deteriorating effects. VAPOR-SAFE® 30-80AF™ has the water resistance and low water vapor permeance normally only found in solvent-based products. It can be used in high humidity environments and greatly retards water vapor permeation. It is non-flammable in the wet state. VAPOR-SAFE® 30-80AF™ is formulated for both indoor and light-duty, commercial, outdoor use. It is UV-resistant. It has a mild, latex "paint type" odor and is designed for use over insulation on pipes, vessels, ducts and equipment operating below ambient temperatures. VAPOR-SAFE® 30-80AF™ is ideal for vapor sealing ASJ, FRK and FSK jackets and board facings at joints, laps and over staple and weld pin punctures. It is an excellent duct board closure sealant. Do not exceed 1/8 in (3.2 mm) wet film thickness. VAPOR-SAFE® 30-80AF™ meets the requirements of military specification MIL-PRF-19565C, Type II using method ASTM E96, Procedure A permeance.
Foster® VAPOR-SAFE® Vapor Retarder Insulation Coating, 2 gal Net Content, Water Base, Liquid Form, White, Odor/Scent: Ammonia, Composition: Titanium Dioxide, Tri(Nonylphenol)Phosphate, Hindered Amine Light Stabilizer, -20 to 180 deg F, 24 hr Dry Time, Flammability Limit: 0, 1.4 Specific Gravity, 36 g/L VOC, Applicable Materials: Cement, Dry Concrete, Application Method: Airless Spray, Brush, 1.6 to 2.4 sq-m/L Coverage Area
| Applicable Materials | : | Cement, Dry Concrete |
| Application Method | : | Airless Spray, Brush |
| Base Type | : | Water |
| Color | : | White |
| Composition | : | Titanium Dioxide, Tri(Nonylphenol)Phosphate, Hindered Amine Light Stabilizer |
| Coverage Area | : | 1.6 to 2.4 sq-m/L |
| Dry Time | : | 24 hr |
| Flammability Limit | : | 0 |
| Form | : | Liquid |
| Net Content | : | 2 gal |
| Odor/Scent | : | Ammonia |
| Specific Gravity | : | 1.4 |
| Temperature Rating | : | -20 to 180 deg F |
| VOC Content | : | 36 g/L |
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