Hydrophilic rubber joints

In addition to the normal coating action determined from conventional sealants, the hydrophilic rubber joint can be self-expandable with the absorption of water, filling perfectly any cavities or irregularities of the concrete.

BENTOFIP BUT HYDROPHILIC RUBBER JOINT
BENTOFIP But in 2025 hydrophilic rubber joint, composed of natural sodium bentonite and high coesion polymeric binders, is placed in its the support with nails or cement adhesives to remain fixed to the support in the early stages of the concrete casting. For maximum performance BENTOFIP But in 2025 hydrophilic rubber joint should be placed between the reinforcing bars or in a support with raised edge of at least 6 cm. The joints are realized by matching the ends of the rubber strip, while avoiding overlapping. In contact with water it increases its original volume up to 4 times in 72 h, creating a barrier to water and blocking, in this way, any shrinkage cracks or gaps.

SW HYDROPHILIC RUBBER JOINT (POLYMERIC)
SW hydrophilic rubber joint, composed of butyl rubber, polyethylene and high coesion polymeric binders cohesion, is placed in its the support with nails or cement adhesives to remain fixed to the support in the early stages of the concrete casting. For maximum performance SW hydrophilic rubber joint should be placed between the reinforcing bars or in a support with raised edge of at least 8/10 cm. The joints are realized by matching sideways the the rubber strip for at least 5 cm, while avoiding overlapping. The application surface should be clean, compact, properly vibrated and free of important irregularities.

SW sea HYDROPHILIC RUBBER JOINT
SW sea hydrophilic rubber joint, composed of rubber, polyethylene and high coesion polymeric binders, is placed in its the support with nails or cement adhesives to remain fixed to the support in the early stages of the concrete casting. For maximum performance SW sea hydrophilic rubber joint should be placed between the reinforcing bars or in a support with raised edge of at least 8/10 cm. The joints are realized by matching sideways the the rubber strip for at least 5 cm, while avoiding overlapping. The application surface should be clean, compact, properly vibrated and free of important irregularities. Used for brackish/marine applications, maximum swelling is mechanically strong and elastic. The primary expansion takes place after  6/12 hours, while the secondary expansion after 24/36 hours.