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Sika Greenstreak Swellstop 1in x 3/4in 100ft Carton 419271
Sika Greenstreak Swellstop is a butyl polymer hydrophilic strip in a 1 in by 3/4 in 100 ft carton. It seals non-moving poured-in-place and below-grade precast joints by swelling when water reaches the strip.
- Hydrophilic butyl strip for non-moving concrete joints
- Stays flexible in cold weather without heating the joint
- Carton holds 100 ft in six 16 ft 8 in rolls
$333.52
Availability:
In stock
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Sika Greenstreak Swellstop
Sika Greenstreak Swellstop is a black butyl polymer hydrophilic strip waterstop for non-moving joints. This 1 in by 3/4 in carton (part 419271) holds six 16 ft 8 in rolls, 100 ft total, for poured-in-place and below-grade precast. The strip swells in water to close joint gaps, stays flexible in the cold, and needs no heat on the joint. A 2 in primer coat on dry concrete seats the strip before the second pour.
Key Features
- Butyl polymer hydrophilic strip waterstop
- 1 in by 3/4 in profile, six 16 ft 8 in rolls per carton
- Swells 140-170% by weight after 2 months in water
- Non-moving joints only; not an expansion joint
- Stays flexible in cold weather without heat
- Minimum 2 in concrete cover
Applications
- Cold joints in foundation slabs and below-grade walls
- Precast wall panels, vaults, and box culverts
- Manholes, septic tanks, and wet wells
- Pipe joints in round, oval, elliptical, and arch pipe
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika Greenstreak |
| Product | Swellstop |
| Part no. | 419271 |
| Unit | Carton of 100 ft (six 16 ft 8 in rolls) |
| Profile | 1 in x 3/4 in |
| Color | Black (ASTM D1729) |
| Chemistry | Butyl polymer hydrophilic strip |
| Swell 3 days | >25% by weight (TP-001) |
| Swell 2 months | 140-170% by weight (TP-001) |
| Application temperature | 5 F to 125 F |
Product documents: Sika Swellstop Product Data Sheet (PDF)
Frequently Asked Questions
What joints use Sika Greenstreak Swellstop?
Non-moving joints in poured-in-place and below-grade precast: foundation slabs, walls, vaults, manholes, pipes, and box culverts. It is not an expansion-joint waterstop.
What size is Sika Greenstreak Swellstop?
The carton is 100 ft of 1 in by 3/4 in strip (six 16 ft 8 in rolls), part 419271.
What swell does Sika Greenstreak Swellstop show?
More than 25% by weight after 3 days in water and 140-170% after 2 months (TP-001). Expansion starts as soon as water reaches the strip.
What concrete cover does Sika Greenstreak Swellstop need?
A minimum 2 in of concrete cover. Increase cover in lightweight or low-strength concrete under 3,500 psi, because expansion pressure can crack a thin cover.
What primer coat does Sika Greenstreak Swellstop need?
A 2 in coat of Swellstop Primer Adhesive on dry concrete cured at least 24 hours. The coat dries 2 hours before the strip is pressed into place; primer and strip go on the same day.
What application temperature does Sika Greenstreak Swellstop need?
5 F to 125 F on the substrate. Service range is -40 F to 215 F. The strip stays flexible in the cold without heat and stays pliable in heat without going spongy.
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