Polyurethane Foam Sealant

January 2022

RectorSeal® introduces Draft-Block™ Orange, a fire blocking expanding polyurethane foam sealant designed for Type V residential construction, Draft-Block Orange expands up to 3x to fill, bond and insulate an assortment of applications. As a low pressure, one-component product, it adheres readily to wood, glass, metal, tile, concrete and most plastics. Beyond its fire blocking benefits, Draft-Block Orange helps to reduce sound transmission.
    
Available in a 12-oz aerosol can, Draft-Block Orange fills voids, cracks, crevices and small cavities on flat and irregular surfaces. After curing, Draft-Block Orange is an odorless, non-corrosive, non-reactive inert substance.
    
Its orange color makes it easily identifiable during use. As a polyurethane foam, Draft-Block Orange is completely dielectric and contains no urea or formaldehyde. When properly applied, Draft-Block Orange dries tack-free in approximately 5 minutes. It can be cut within 1 hour and is fully cured within 12 to 24 hours. When fully cured, Draft-Block Orange is resistant to water and outdoor exposure. The product adheres to UL evaluation report R40378-01 and achieves an ASTM E84 rating.

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