JPS NB190A Hydrophilic Waterstop - Profile A - .394" x .787" - (Priced Per Foot, Sold in 200' Rolls)

JP Specialties Type NB190A is a modern, hydrophilic rubber waterstop with unmatched durability and watersealing capabilities. Manufactured NON-BENTONITE, modified chloroprene rubber, Type NB190 more than doubles its original size (400% volume swell)when exposed to water. This expansion creates an effective compression seal within joints of limited to no movement. Type NB190 can expand and reexpand unlimited times with virtually no loss of physical properties. Additionaly, Type NB190 has excellent resistance to many chemicals, is heat-resistant, and can be safely used in drinking water. 

Use paste # NBPASTE when applying NB190A for proper adhesion.

Features:

• - Comprised of NON-BENTONITE, modified chloroprene rubber
• - 100-plus year lifespan
• - Simple, low-cost installation
• - Ideal for retrofit as well as new construction
• - Most profiles have a minimum 231 ft (100psi) resistance to water head pressure

Typical Applications:

• - Water treatments plants
• - Wastewater treatment 
• - Pipe penetrations 
• - Storage tanks
• - Slab on grade
• - Foundations
• - Tunnel segments
• - ...And many more