NIH National Institute of Health Building #35, Bethesda, MD
Maryland
Date: 2005
Products Used
The 20H System is a tried and true preformed expanding foam sealant produced by impregnating permanently elastic, high density, open-cell polyurethane foam with an acrylic polymermodified, water-based asphalt emulsion. It is primarily used in below-grade applications. The architectural and engineering community has benefited from 20H System’s performance…
20H System Product Details
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