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Foster® 40-20™ Fungicidal Protective Coating
$360.00
In stock
SKU
CHE4020
Formulated to effectively prevent the spread of molds and odor-causing bacteria on its surface. It provides a tough, elastic, decorative finish that allows for movement without splitting and creating lodging places for bacteria.
Foster® 40-20™ Fungicidal Protective Coating is a polyacrylate copolymer emulsion specifically formulated for long-term fungicidal activity, with no loss of activity on aging. It is formulated to effectively prevent the spread of molds and odor-causing bacteria on its surface. It provides a tough, elastic, decorative finish that allows for movement without splitting and creating lodging places for bacteria.
Foster® 40-20™ provides a cost effective decorative finish resistant to many industrial chemicals, together with long-lasting protection. It can be used on walls, ceilings, pipes, interior and exterior surfaces of HVAC duct systems and wherever effective controls are essential.
Foster® 40-20™ guards against the re-growth and spread of odorcausing bacteria and molds on the surface of the coated HVAC system or its treated components only. As a result, the building occupants may enjoy a work space free of the odor problems often
associated with contaminated HVAC duct systems.
Foster® Fungicidal Protective Coating 40-20™ meets the requirements of:
- MAS Certified Green®
- California Dept. of Public Health Standard Method v1.2
- VOC Emissions and Content requirements to contribute to LEED v4 EQ Credit: Low Emitting Materials – Paints and Coatings
- Collaborative for High Performance Schools EQ 7.1
VOC Content: 42 g/l, less water and exempt solvents.
Limitations
- Protect from freezing.
- Do not apply near food stuffs in unventilated areas. Always ensure adequate ventilation.
- Do not store or apply over 100°F (38°C) or below 40°F (4.4°C).
- Water-based products may corrode carbon steel spray equipment. Corrosion resistant pumps and fittings are suggested.
DO NOT DILUTE.
DO NOT THIN. Keep container closed when not in use. Do not apply outdoors in damp or rainy weather
| Brand | Foster |
|---|---|
| Chemical Type | Encapsulant |
| Coating | Mold |
| Dilution | Ready-to-Use |
| Packed As | Pail |
| Container Type | 5 gallons |
Surface Preparation
Unpainted brick, plaster and cement-based surfaces: Apply only to clean, dry surfaces free of all dirt, grease or impurities. On mold-infested surfaces, aggressively scrape the surface, then wire brush to produce a firm, sound substrate. Wash the surface with a detergent and water solution, following the instructions for its use, then rinse and let dry completely before proceeding. 40-20™ may be applied directly without need for primer. For improved adhesion to unpainted brick, plaster and cement-based surfaces, prime with a water-based primer and fill gaps with block filler.
Painted surfaces: Wire brush painted surfaces removing all flaking, loose or chalking material. Sand all glossy surfaces (alkyl, oil, epoxy-based coatings, etc.) to roughen entire area. Wash the intended surface with a detergent and water solution following the manufacturer’s instructions for its use, then rinse and allow to dry thoroughly.
Metal surfaces: Remove any dust, grease, oil or materials. Abrade all surfaces to remove all surface rust. Wash the intended surface with detergent and water, then rinse and allow to dry thoroughly. Where metal will be exposed or potential exists for the coating to be peeled from the surface, prime metal surfaces with a water-based, adhesion promoting primer.
Wooden surfaces (unpainted): Remove all dirt, grease, oil or materials. Remove all loose substrate materials, unnatural protrusions, splintered materials, etc. to a sound surface. Wash with detergent and water following the manufacturer’s directions, then rinse and allow to dry thoroughly. 40-20™ may be applied directly without the need for primer. On exposed surfaces where staining or discoloration of the coating would be objectionable, prime with a water-based, stain
blocking primer.
HVAC systems: Follow use directions provided in the supplemental document “Application of 40-20™ Fungicidal Protective Coating in HVAC Systems” available at www.fosterproducts.com. Always follow industry accepted cleaning procedures. Galvanized surfaces need to be vacuumed or washed clean of all accumulated mold, dust and loose particles. Ensure that all interior surfaces are thoroughly dry before applying Foster® 40-20™. All metal surfaces must be primed with a water-based, adhesion promoting primer before application of 40-20™. Lined air ducts must be lightly vacuum cleaned to remove all mold, dust and loose particles, being careful not to tear or loosen the liner.
Application
Always ensure adequate ventilation. HVAC systems must be under negative air pressure during and after application to allow for exhausting of odors and rapid drying of the coating. Apply 40-20™ to all surfaces by brush, roller or airless spray at a rate of approximately 1.25 gal. per 100 sq. ft. Brushing or rolling will require two coats applied at 90° to each other. Under normal circumstances, a spray application can be completed in one coat, but for extremely porous or irregular surfaces, a second coat may be required. Ensure that the finished surface is smooth and homogeneous. For airless spray application, use an electric 2800 psi minimum pump with a 0.021 – 0.025 fluid tip.
Note: Continue to circulate fresh dry air throughout the area during the application and for as long after the application as possible. Exhaust circulated air outside the building or occupied space. If air must be exhausted inside the building, circulate air through an air scrubbing filtration system with odor absorbing medium such as a charcoal medium. This circulation and filtration helps to reduce the dry time of the coating and reduce latex-type odors that could possibly migrate from the application area. Be sure exhausted air is odorless before venting into occupied spaces.
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