Intumescent sealing strip for working joints used for internal sealing of culverts in concrete constructions, which are permanently or periodically exposed to water. Suitable for use in areas with variable water levels.

properties

• easy to assemble
• with fast and strong swelling
• swelling, it penetrates into cracks and cavities
• with total dimensional stability also at high temperatures
• the swelling and shrinking process is reversible
• can be used for fresh and sea water