Foster Data and Articles

Clean-air have used the Foster® Products as supplied by H.B. Fuller for over 10 years.

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We are convinced that these are the best products available to the HVAC industry. With correct preparation and application the Foster 40-20 is backed by a 5 year Warranty on the appearance of visible mould. Globally, Foster® brand products provide advanced coating solutions for the industrial, commercial and residential construction and maintenance markets, with substantiated proven performance. The outstanding Foster® product line of surface coatings and accessory products are designed for air handling systems and for walls and ceilings to promote and/or maintain excellent indoor air quality (IAQ). Foster IAQ products are scientifically proven to be effective in worst case scenarios through extensive ASTM D-5590 testing. Foster antimicrobial and mould resistant products are designed for long-term protection against mold growth and the re-growth on their surfaces. They can be used on a variety of different materials, such as walls, ceilings, pipes, and interior/exterior surfaces of HVAC duct systems. Foster brand EPA registered antimicrobial coatings include Foster® 40-20A™.

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Foster 40-20A™

Foster® 40-20™ is formulated for long-term fungicidal protection, with no loss of activity on aging. It effectively prevents the spread of moulds and odour causing bacteria on its surface and provides a tough, elastic, decorative finish that allows for movement without splitting and creating lodging places for bacteria.

Foster 40-20 Warranty
Foster IAQ Brochure
10 Years to Life for 40-20
Go the Extra Mile 40-20
A Tale of Two Studies

Foster® 40-51™ Mould Resistant Clear Coat

Foster® 40-51™ Mould Resistant Clear Coat provides a clear, hard, water resistant finish, while remaining flexible and crack resistant. Specially formulated with EPA registered antimicrobial agents; the coating is designed for long-term protection from mould, mildew, and odour causing bacteria growth on its surface.

See Foster IAQ Brochure

Foster® First Defense™ 40-80

Foster® First Defense™ 40-80 is an EPA Registered formulation, a full strength disinfectant, and comes in a convenient ready-to-use dilution. Foster First Defense 40-80 has been evaluated in the presence of 6% serum by the AOAC Use-Dilution test and found to be effective against broad spectrum of gram-negative and gram-positive organisms. Foster® First Defense™ 40-80 is a disinfectant-cleaner-fungicide-mildewstat-virucide-deodorizer designed for hospital, institutional, commercial and industrial use.

See Foster Reading Writing and Remediation

Fosters 40-20 10 Year Limited Warranty on Visible Surface Mould

* H.B. Fuller Construction Products Inc. (“HBF-CP”) warrants to a residential or commercial building owner or to a Contractor acting as agent on behalf the Owner (collectively, the “Owner”) for the ten (10) year Limited Warranty period described below, for interior applications, that the exposed surface of the Foster® 40-20™ Fungicidal Protective Coating (“40-20 coating”) will remain free of visible surface mould growth when applied in strict accordance with material preparation and application guidelines located on the 40-20 coating product data sheet and the additional requirements of this Warranty.

 *Extract only – please see the Foster 40-20 Warranty