
Ravindra Babu UB Marketing Manager, Fosroc Chemical India Pvt. Ltd.
Basement waterproofing-Risk involved

Basement waterproofing- Requirements
- Water tightness to avoid ingress of water from below ground under hydrostatic pressure
- High mechanical properties like puncture resistance to withstand abuses on membrane during construction activity
- Good elongation and Flexibility to accommodate movements
- Excellent bond to wet concrete surface
- Protection layer over water- proofing membrane should not be mandatory
- Even if membrane punctures water should not percolate through surface of membrane
- Positive side waterproofing to the raft and retaining wall even in the absence of working space
- Enable installation of water- proofing system effective under wet conditions of basement.
An Engineered Solution for basement waterproofing
Fosroc Proofex Engage has been specifically engineered for pre-applied applications. Proofex Engage developed and patented by Fosroc is a unique system comprising a complex cell mesh bonded to a polyethylene membrane, which allows poured concrete to interlock with the membrane forming a tenacious mechanical bond preventing water migration in case accidental damage occur. Proofex Engage is supplied with a selvedge on one side to provide sealed laps.Proofex Engage membranes are loose laid over compacted soil or secured vertically against formwork or diaphragm walls before the concrete is poured. Comprised a tough, durable HDPE film of 4 to 5mm thick Proofex Engage can be installed quickly and is ready for immediate placing of rebar and concrete without further protection.