Ribbed Center Bulb
Systematically and thoroughly vibrate concrete around water stop to avoid honey-combing and voids to insure complete contact between waterstop and concrete.

Flat Ribbed
Hold Waterstop securely in place to prevent misalignment during concrete operations.

Split Ribbed
Hold split legs together for second pour by using hog rings every foot between last rib and the end of the waterstop.

DO
Sweep all horizontal joints prior to pour to insure that foreign material does not interfere with direct contact between waterstop and concrete.

DO
Nail split legs to bulkhead between the last rib and the end of the waterstop.

DO
Hold waterstop securely in place to prevent misalignment during concrete operations.

DO NOT
Drive nails through center of waterstop when forming.

DO NOT
Secure waterstop except between the last rib and the end of the waterstop when tying to the reinforcing rods to hold in place for the pour.

DO NOT
Embed bulb in concrete. It must be positioned in center of joint to insure freedom of movement.

DO NOT
Lap sections of waterstop. All joints should be spliced with a heat sealing method.