National Museum of American History, Washington DC
District of Columbia
Date: 2003, 2018
Products Used
A horizontal expansion joint, Horizontal Colorseal ensures watertightness in structural, seismic, and abutment joints in non-trafficked decks of cast-in-place, precast or post-tensioned concrete. It combines a factory-applied and cured silicone bellows with a hydrophobic-acrylic-impregnated expanding foam sealant backing. It is watertight, odorless,…
Horizontal Colorseal 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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