Sika Greenstreak Leakmaster LV-Z is a moisture-cure water-swelling sealant in a 320 ml cartridge. It seals vertical cast-in-place and precast joints and keeps rubber-like elasticity after the swell.
Sika Greenstreak Leakmaster LV-Z is a gray moisture-cure water-swelling sealant for vertical joints. This 320 ml cartridge (part 529563) is applied with a standard caulk applicator on dry cast-in-place and precast joints. After cure it swells to approximately twice its volume in distilled water and keeps rubber-like elasticity at the joint. Wet surfaces are not suitable at placement.
| Property | Value |
|---|---|
| Manufacturer | Sika Greenstreak |
| Product | Leakmaster LV-Z |
| Part no. | 529563 |
| Unit | 320 ml cartridge |
| Color | Gray |
| Appearance | Putty-like |
| Swell 2 days | 85-200% by volume at 77 F |
| Slump 1 hour | <10 mm at 77 F |
| Application temperature | 41 F to 104 F |
| Shelf life | 12 months |
Product documents: Sika Leakmaster LV-Z Product Data Sheet (PDF)
What joints use Sika Greenstreak Leakmaster LV-Z?
Vertical joints in dry cast-in-place concrete, precast, and as an adhesive on a rough first pour before construction-joint waterstop. Wet surfaces are not suitable.
What size is Sika Greenstreak Leakmaster LV-Z?
The cartridge is 320 ml, part 529563.
What swell does Sika Greenstreak Leakmaster LV-Z show?
85-200% by volume after 2 days in water at 77 F, approximately twice its distilled-water volume, without losing rubber-like elasticity.
What cover does Sika Greenstreak Leakmaster LV-Z need?
A minimum 100 mm (4 inches) of concrete on both sides when it is used in site-formed joints. Keep rain and groundwater off until the second pour or precast is placed.
What water service limits does Sika Greenstreak Leakmaster LV-Z have?
Not for potable water, and not for an external or surface position. Distilled-water swell is the published sealing mechanism.
What application temperature does Sika Greenstreak Leakmaster LV-Z need?
41 F to 104 F. Store cool, dark, and dry below 90 F. Shelf life is 12 months from the production date on the cartridge.
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