Waterstop by JP Specialties, Inc. Earth Shield®

The Primary Choice for Secondary Containment®
JP158 — An ideal alternative to standard sealant over a metal keyway.
JP211 — 9" baseseal waterstop, ideal for flat slab work. Contraction, construction, and expansion joints.
JP320L — L-shaped retrofit waterstop. Used for joining new to existing concrete, especially in moving joints.
JP325T — Small T-shaped retrofit. Used for joining new to existing concrete. Great choice for containment curbs on slabs.
JP336L — Small L-shaped retrofit waterstop for non-moving construction joints. Often, the preferred choice for containment curbs on slabs.
JP436 — 4" ribbed centerbulb waterstop. Contraction, construction, and expansion joints.
JP450T — Large T-shaped retrofit. Used for joining new to existing concrete. Interfaces well with JP EBCap profiles (e.g. JPEB375, JPEB350) and our screed key waterstop profile JP1225.
JP500 — Externally applied joint retrofit. Works well with JP540L at the perimeter joints.
JP540L — 4.5" externally applied corner retrofit waterstop. Works well JP500 for flat joints.
JP621L — Rerofit waterstop designed for very large joint movements (especially shear). Interfaces best with JP211 and/or JP936.
JP636 — 6" ribbed centerbulb waterstop. The absolute industry standard. Contraction, construction, and expansion joints.
JP647 — Thin 6" dumbbell waterstop. Contraction and construction joints.
JP648 — Thick 6" dumbbell waterstop. Contraction and construction joints.
JP678 — 6" tear web waterstop. Designed for movement (especially shear). Contraction, construction, and expansion joints.
JP936 — 9" ribbed centerbulb waterstop. The absolute industry standard for high head pressure rating. Contraction, construction, and expansion joints.
JP948 — Thick 9" dumbbell waterstop. Contraction and construction joints.
JP949 — Thick 9" dumbbell centerbulb waterstop. Expansion, contraction, and construction joints.
JP978 — 9" tear web waterstop. Designed for movement (especially shear). Contraction, construction, and expansion joints.
JP1149 — Thick and wide 12" dumbbell centerbulb waterstop. Expansion, contraction, and construction joints. 12" waterstops are designed for huge head pressures.
JP1225 — A combined sealant and waterstop over a metal keyway.
JPEB350 — 1/2" expansion board sealant waterstop. Ideal for flat slab applications.
JPEB375 — 3/4" expansion board sealant waterstop. Ideal for flat slab applications.
JPEB375R — 3/4" retrofit expansion board sealant waterstop. Ideal for flat slab applications. Used for joining new to existing concrete.