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BG System
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Product Description

Watertight below-grade foundation and tunnel expansion joint system. A below-grade expansion joint system, BG System can be installed from the positive-side onto free-standing foundation and tunnel walls, or on the blind-side of tunnel or floor slabs formed by single-side forming and casting against mud-slabs and lagging. BG System features heavy-duty, extruded, double-celled, UV-stable thermoplastic rubber glands flanked by dual-level membrane-integration flanges. Available in sizes from 2 - 5 inches in standard black color.

CSI MasterFormat Filing

Sustainability Filing

CSI MasterFormat Filing

  • 07 95 13.16 Exterior Expansion Joint Cover Assemblies
  • 07 95 13.21 Below-Grade Expansion Joint Cover Assemblies

Sustainability Filing

Specification Files