Fosroc Proofex Engage Waterproofing System Now BRANZ Appraised
4th March 2019
Fosroc's unique, fully bonded, waterproofing membrane system for below ground structures, Proofex Engage, has received BRANZ Appraisal – Certificate 1035 (2018).
For below-ground structures where the exterior face of the structural concrete is inaccessible, the waterproofing must be applied prior to pouring the concrete. Conventional systems are either loose-laid or self-adhering to the substrate not the structural concrete, this means there is no seal between the waterproofing and the structural concrete which can lead to water travelling between the waterproofing and the structure from any leakages that may occur. BS8102:2009 highlights this problem and recommends that a fully-bonded pre-applied waterproofing system be used to mitigate this risk. A similar problem occurs where ground settlement takes place.
Fosroc have developed an innovative system, Proofex Engage, which incorporates a unique cell mesh that mechanically bonds to freshly placed concrete, giving a tenacious waterproof seal, preventing water migration even if ground settlement occurs. It is installed rapidly with no need for blinding concrete, priming or protection and can be trafficked immediately after application. It is also gas resistant, highly durable and is unaffected by contaminants within the ground. Quality is assured through BBA and EN13967:2004 and the system is suitable for use in accordance with BS8102:2009 Grades 1, 2 and 3.
Its primary benefits include:
- Rapid Installation – no blinding concrete or protection required
- Assured watertight integrity in the event of ground settlement
- No water tracking
- Easy jointing compatible full range of ancillaries
- Integrity assured at pile caps
- Protects structure against ground contaminants
- Long term watertight durability with 100 year design life
Typical applicaitons for Proofex Engage include:
- Single-sided formwork concrete walls
- Double-sided formwork concrete walls
- Pile caps
- Lift pits
- Pipe penetrations
- Expansion and construction joints
To access product information, including the TDS and SDS, visit the Proofex Engage product page by clicking here.
The Branz Appraisal for Proofex Engage can be found here.
If you would like additional information, please contact us on 0800 657 156.
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