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20H System
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Product Description

Below-Grade Wall Expansion Joint (Nominal Sizes: 1/2″ (12mm) to 4″ (100mm) - 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 for over 30 years. Color: Black

CSI MasterFormat Filing

Sustainability Filing

CSI MasterFormat Filing

  • 07 92 00 Joint Sealants

Sustainability Filing

Specification Files