Griffith Observatory, Hollywood
California
Date: 2003, 2004, 2005
Products Used
An above-grade, wall expansion joint, 25V is a long-term, economical, high-performance seal for expansion and control joints in concrete, brick, stone, etc. where a black reveal or shadow-line effect is desired or where installed in concealed conditions. 25V is comprised of permanently-elastic,…
25V Product Details
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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