What is a Retrofit waterstop?

Retrofit Waterstops seal joints where new construction meets an existing structure and can be suitable for moving joints. Systems include stainless steel batten bars and fasteners for anchoring to the existing structure with the aid of a structural epoxy gel.

What is waterstop for concrete?

A waterstop is a material embedded in the concrete, with the singular purpose to obstruct the passage of water through the joint. In other words, it is not an elastomeric sealant adhered to the exposed surface of a joint.

How does the water stop work?

Hydrophilic or “water-loving” waterstops are strips of rubber, modified with a hydrophilic agent (such as bentonite) so they swell in the presence of moisture to effectively seal concrete construction joints. Initial leaking is possible until the waterstop expands to seal the joint.

How do I connect to Waterstop?

Waterstops are generally connected by two methods. One is the cold joint method for cold bonding with rubber adhesive, and the other is the hot joint method for welding joints with hot melt machine or hot melt knife. Flatten and rough two joints, and then apply a thin layer of sealant.

Which is the best PVC waterstop for concrete?

Earth Shield® PVC Waterstop is manufactured from prime virgin resin and is the trusted choice for environmental engineered concrete structures. Waterstop profiles for new and retrofit applications. Earth Shield® Hydrophilic and Mastic Strip Applied Waterstops are the simple solution for construction joints.

What does A waterstop do to a concrete joint?

■ Embedded in concrete, across and/or along the joint, waterstops form a watertight diaphragm that prevents the passage of liquid through the joint. ■ Suitable for contact with a wide range of chemicals including oils, fuels, acids, bases, and numerous solvents.

How is greenstreak used to retrofit A waterstop?

INSTALLATION: The existing concrete surface should be cleaned by sand blasting or grinding the surface to assure a solid, clean surface to bond the retrofit waterstop. Apply a bed Sof GREENSTREAK’s 7300 Epoxy, approximately 1/8 inch thick and slightly wider than the waterstop base, to the concrete surface.

Are there any concrete structures that are watertight?

Concrete structures are only as watertight as the waterstops that join them. Structures such as water treatment plants, reservoirs, locks, dams, and below grade facilities, most likely have a waterstop system in place. Several factors must be considered when selecting a waterstop.