Joint Treatment & Waterstop Solutions

Flexible waterproofing for concrete joints

Overview

A cold joint is where a fresh batch of concrete meets one that has already been cured. It’s hard for uncured concrete to form a seal with a block that’s been cured already. Therefore, a cold joint is the area where cracks are more likely to form, followed by water infiltration. For below-grade construction, waterstops represent a safe, commonsense approach to preventing water infiltration through seams in concrete.

High Performance Solutions

Waterstops represent a critical component of any waterproofing system. Due to shrinkage and settling, the surfaces of a concrete cold joint will never perfectly conform to one another. Without a flexible barrier that can accommodate the imperfections of concrete surfaces, water will have the opportunity to creep in through the seam. Our waterstops are specifically designed to resist job-site conditions while outperforming other solutions. No matter the project, we have a waterstop that’s ideal for the job.

Beats other waterstop products

  • Conforms to a large variety of concrete surfaces
  • Expands only when needed—no need for replacement due to premature expansion
  • Doesn’t weaken during or after expansion
  • Simple jointing
  • Doesn’t require steel mesh
  • Retains strength after multiple wet-dry expansions

System Compatibility

Don’t think of INJECTO®, ADCOR® or SWELLSEAL® as just another waterstop product. Think of it as part of a complete waterproofing system that includes PREPRUFE® and BITUTHENE® waterproofing membranes, HYDRODUCT® drainage boards, and more. Our solutions outperform other waterstop products on its own—and give peace of mind knowing they are fully compatible with GCP’s category-defining waterproofing products.

Products & Accessories

Products

Waterproofing accessories

  • Product Name
  • Description
  • Key Benefits
  • Applications Type
ADCOR® 500S Waterstop Data Sheet

Waterproofing accessories
ADCOR® 500S Waterstop Data Sheet Visit ADCOR® 500S Waterstop Data Sheet page

Waterproofing accessories

Description

ADCOR® 500S waterstop is a conformable, butyl rubber-based hydrophilic waterstop strip that expands in contact with water.

Key Benefits
  • Controlled volumetric expansion reduces risk of concrete spalling
  • Retains cohesive strength at both original and expanded volume
  • Malleable and conformable, enabling easy application to a variety of concrete profiles and a variety of irregular substrates
Application Type
  • Construction joints in in-situ concrete structures
  • Casting new concrete against existing
  • Floor slabs cast against diaphragm retaining walls, steel sheet piles and secant piled walls
  • Joints between floor slabs and pile caps
  • Pipe penetrations through floors and walls
DE NEEF® SWELLSEAL® WA Data Sheet
DE NEEF® SWELLSEAL® WA Data Sheet Visit DE NEEF® SWELLSEAL® WA Data Sheet page
Description

DE NEEF® SWELLSEAL® WA is a single component gungrade hydrophilic waterstop, designed for sealing smooth to very irregular construction joints and pipe penetrations.

Key Benefits
  • Solvent free
  • Can be applied to wet surfaces or underwater when concrete is poured within 6 hours
  • Adheres to concrete, PVC, HDPE, steel, & fiberglass
Application Type
INJECTO® Data Sheet
INJECTO® Data Sheet Visit INJECTO® Data Sheet page
Description

INJECTO® is an injectable waterstop system that provides a conduit for the placement of GCP Applied Technologies chemical grouts.

Key Benefits
  • Fast, simple installation
  • No special tools required
  • Low pressure injection
Application Type
  • Sealing cold and construction joints
  • Sealing pipe penetrations and details
  • Sealing joints between slurry walls and slabs