Kryton Crack Inducing Waterstop

(Waterproofing System for Construction Joints)
Product Code: K-341


Kryton Crack Inducing Waterstop is specially engineered to produce a crack control joint that is waterproof after the joint has been completed. Kryton Crack Inducing Waterstop is resistant to waterborne chemicals and is fully compatible with Kryton’s Krystol Internal Membrane (KIM) Admixture System.

Features + Benefits

Recommended Uses

Use Kryton Crack Inducing Waterstop to create crack control joints in cast-in-place concrete and shotcrete walls.


Color Bright Yellow
Standard Weight 1.5 kg/m (1.0 lb/ft)
Dimensions 150mm x 40mm (6” wide x 1-5/8”)
Water absorption (ASTM D5) 0.15% max. 
Tear resistance (ASTM D624) 5.4 kg/mm (300 lb/in) min.
Ultimate elongation (ASTM D638) 350% min.
Tensile strength (ASTM D638) 2000 psi min.
Low temperature brittleness (ASTM D746) Passes at -35°F / -37°C
Stiffness in flexure (ASTM D747) 700 psi min.
Specific gravity (ASTM D792) 1.38 max.
Hardness, Shore A(ASTM D2240) 79±3

Hardened Properties

Head Pressure Resistance (Water Column) 299 KPa (100’)


Fasten Kryton Crack Inducing Waterstop to the exterior concrete form at the required control joint location. Directly opposite the waterstop, form a 4 cm (1.5 in.) keyway.  After concrete has hardened, mix Krystol Waterstop Grout to a dry putty consistency and tightly pack keyway flush to the surface. Protect the Grout application from damage by rain, rapid drying or freezing for at least 24 hours.

Installer must refer to Application Instruction 4.14 – Waterproofing Horizontal & Vertical Control Joints for detailed application instructions.


Some restrictions with transitions and intersections. Always maintain adequate clearance between reinforcing steel and Kryton’s Crack Inducing Waterstop. Any discontinuity in the waterstop system can be a point of leakage.


Kryton Crack Inducing Waterstop is non-reactive and fully cured. For industrial use only.
Keep out of reach of children.


Available in rolls: 15.24 meters (50 feet) per roll with 20 rolls maximum per pallet.

Shelf Life

Kryton Crack Inducing Waterstop shelf life is 2+ years when protected from UV light.


Kryton International Inc. (Kryton) warrants that Kryton products are free from manufacturing defects and comply with the specifications given in their respective technical data sheet. Because conditions of use, such as site conditions, surface preparations, workmanship, concrete ingredients, weather, structural issues and other factors are beyond the control of Kryton, no warranty can be given as to the results of use. Purchaser agrees to seek the advice of qualified professionals and to determine for themselves the suitability of the products for their intended purpose and assumes all risks. Purchaser’s sole remedy is limited to replacement of any product proven defective or at Kryton’s option refund of the purchase price paid. THIS LIMITED WARRANTY CONTAINS THE ENTIRE OBLIGATION OF KRYTON. NO OTHER WARRANTIES, EXPRESS OR IMPLIED, SHALL APPLY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. KRYTON SHALL NOT BE LIABLE UNDER ANY LEGAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES. No representative of Kryton has the authority to make any representations or provision except as stated herein. Kryton reserves the right to change the properties of its products without notice.