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> Draft/smoke stop foam boss 812 24OZ spray can
Draft/smoke stop foam boss 812 24OZ spray can
BOSS 812 Draft/Smoke Stop Foam 24oz. can: Is a polyurethane expanding foam designed to prevent the spread of smoke and poisonous gases from one area to another, through gaps and voids in fire rated walls and floors. It is tested and passed ASTM E-84 class A. Expanding Draft/Smoke Stop Foam may be used in virtually all through penetrations, both horizontal and vertical applications. It cures it form a semi rigid non-sag seal. Expands and bonds quickly and has an excellent adhesion to most all building substrates. Ideal for electrical cables and conduits, telecom cabling, water and waste water pipes, and various other applications requiring fill void applications.
Prevent the spread of smoke and toxic gases
Unaffected by moisture or humidity when cured
Offers good thermal insulation
Prevents the intrusion of insects
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