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Sika Greenstreak Hydrotite 32.8' Water Stop with Adhesive CJ-1020-2KADH
Sika Hydrotite CJ-1020-2K-ADH is a hydrophilic chloroprene strip waterstop with adhesive backing in a 32.8 ft roll. Peel the liner, press it to clean concrete, and let water swell the strip into a compression seal.
- Peel-and-stick adhesive backing for fast install
- Hydrophilic strip expands to seal site-formed joints
- NSF/ANSI 61 approved for potable-water contact
$428.51
Availability:
In stock
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Sika Hydrotite CJ-1020-2K-ADH
Sika Hydrotite CJ-1020-2K-ADH is a hydrophilic modified chloroprene rubber strip waterstop with peel-and-stick adhesive backing for fast install on site-formed concrete joints. This co-extruded CJ-1020-2K-ADH profile measures approximately 10 mm by 20 mm and ships as a 32.8 ft (10 m) roll (part 419021). It expands up to eight times its volume in water after an expansion-delay coating, and all CJ profiles meet NSF/ANSI 61 for potable water.
Key Features
- Non-bentonite modified chloroprene hydrophilic waterstop
- CJ-1020-2K-ADH profile approximately 10 mm by 20 mm with adhesive back
- Expands up to eight times original volume in water
- Expansion-delay coating before swell
- Peel-and-stick install to prepared concrete
- 32.8 ft (10 m) roll; NSF/ANSI 61 approved
Applications
- Water and wastewater treatment facilities
- Tunnels, culverts, dams, locks, and canals
- Pipe penetrations, swimming pools, and storage tanks
- Foundations, retaining walls, and slab-on-grade work
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sika Hydrotite CJ-1020-2K-ADH |
| Part no. | 419021 |
| Unit | 32.8 ft (10 m) roll |
| Profile size | Approximately 10 mm x 20 mm |
| Chemistry | Hydrophilic modified chloroprene rubber |
| Volume change | Up to 8x in water |
| Adhesive back | Yes, peel-and-stick |
| Potable water | NSF/ANSI 61 |
| Hydrophilic Shore A | Approximately 52 |
Product documents: Sika Hydrotite CJ Product Data Sheet (PDF)
Frequently Asked Questions
What joints suit Sika Hydrotite CJ-1020-2K-ADH?
Site-formed concrete joints with limited movement where a peel-and-stick hydrophilic strip speeds install.
What size is the CJ-1020-2K-ADH profile?
Nominal size is approximately 10 mm by 20 mm (0.39 in by 0.79 in) with adhesive backing.
What expansion does Sika Hydrotite CJ-1020-2K-ADH reach in water?
Up to eight times its original volume after the delay coating, creating a compression seal.
What install method does Sika Hydrotite CJ-1020-2K-ADH allow?
Remove the release paper and press the profile firmly to clean, dust-free concrete.
What potable-water approval does Sika Hydrotite CJ-1020-2K-ADH hold?
All CJ profiles meet NSF/ANSI 61 for potable-water contact.
What size is Sika Hydrotite CJ-1020-2K-ADH?
The roll is 32.8 ft (10 m), part 419021.
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