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The PVC strip with bulb (Water Stop Joint) is used as a sealing and expansion joint in concrete. They ensure hydraulic tightness, even working under pressure. They are used in swimming pools, canals, aqueducts, deposits, dikes, foundations in general, walls, galleries, underground passages, parking areas, silos, treatment plants, etc.
The joint is manufactured by an extrusion process, with PVC, thermoplastic material.
| Model | A | B | C | D | Width | Length |
| Bulb 150 | 2,3 mm | 3,5 mm | 23 mm | 27 mm | 150 mm | 25 m |
| Bulb 200 | 2,5 mm | 3,7 mm | 25 mm | 30 mm | 200 mm | 25 m |
| Bulb 220 | 2,5 mm | 3,7 mm | 25 mm | 30 mm | 220 mm | 25 m |
| Bulb 250 | 2,5 mm | 4 mm | 25 mm | 30 mm | 250 mm | 25 m |
| Bulb 300 | 2,6 mm | 4 mm | 30 mm | 38 mm | 300 mm | 20 m |
They are boards for internal use, which are located in the center of the section to be concreted. For expansion joints with maximum expansion 20 mm and maximum lateral movement of 10 mm.
PRODUCT USES
Expansion and sealing joints, horizontally or vertically, for internal use.
- Treatment plants, tanks, swimming pools, canals, dams, dikes
- Foundations, basements, underground garages, screen walls
- Tunnels, galleries etc.