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How to seal leaks in concrete structures

by | Oct 2, 2017 | Blog, Concrete Repair, Leak Sealing, Waste Water Treatment, Water Storage, Water Treatment Plant | 0 comments

Prime Flex 900 XLV polyurethane resin is a low viscosity, hydrophilic resin that reacts with water and expands to form a closed cell, watertight foam. It is typically injected under pressure to seal actively leaking joints and cracks in concrete structures, including hairline cracks. This product is independently tested and proven to meet NSF/ANSI Standard 61.5 for contact with potable water.
Recommended Uses include injecting hairline cracks, expansion joints, wide cracks, pipe joints, or pipe penetrations, or sealing active leaks in above-grade or below-grade concrete structures.

This can be used for water treatment tanks, dams, below-grade concrete walls, tunnels, manholes and elevator service pits.

Prime Flex 900XLV is compliant for contact with potable water, can expand and contract parallel to the crack in varying temperatures, can expand up to 600% unconfined and has a low viscosity to allow it to penetrate tight hairline cracks deep into the structure.

When the material contacts water, it reacts to form a white, flexible gel-like foam that acts as a barrier, sealing the cracks that allowed water to leak. As the foam reacts, it expands to fill the space and bond to the concrete to hold it in place, creating a closed cell mass that does not allow water to pass through or around it. The foam’s flexibility allows it to expand and contract along with the structure it has sealed, so it remains water tight despite temperature fluctuations.

FCS Concrete Repairs are experts in leak repair and are available to help with your concrete repair requirements. FCS Concrete Repairs are approved applicators for this product in Australia.

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