Appraisal number: 707 (2017)
Date issued: 20 Dec 2017
SwellSeal® MS Bentonite System
Description
The SwellSeal® MS Bentonite System is based on natural sodium bentonite contained within two layers of geosynthetic fabric with an HDPE liner on one face and other accessory products completing the system. The system is used as a damp-proofing or waterproofing membrane below ground to protect basements and other underground structures against water penetration and water vapour transmission from the ground.
Scope
The SwellSeal® MS Bentonite System has been appraised for use as:
- an external waterproof tanking membrane to in situ concrete, precast concrete and concrete masonry basement constructions subject to hydrostatic pressures of up to 2 bar (20 metres)
- a damp-proof membrane (DPM) to slab-on-ground and basement constructions.
The SwellSeal® MS Bentonite System must:
- be used adequately confined and protected against damage during construction and in service
- not be used where groundwater conductivity exceeds 2,500 µS/cm-1 except on advice from SwellSeal Waterproofing New Zealand Ltd.
All installations incorporating the SwellSeal® MS Bentonite System must be the subject of specific design. Building designers are responsible for the incorporation of the system following the guidance details provided by SwellSeal Waterproofing New Zealand Ltd. The designer must provide design and installation detailing within the contract documents.
The SwellSeal® MS Bentonite System must be installed by SwellSeal Waterproofing New Zealand Ltd approved and trained applicators.
Technical literature
SwellSeal® MS/HP Bentonite Waterproofing: Multi-layer Systems Construction Details:
- SS-FCJ100 Floor Construction Joint Detail, 01.10.10
- SS-LP100 Elevator Lift Pit, 01.10.10
- SS-PC100 Pile Cap, 01.10.10
- SS-PP100 Pipe Penetration Precast Panel, 01.10.10
- SS-PP101 Precast Panel Joint Detail, 01.10.10
- SS-PP102 Internal Corner Detail, 01.10.10
- SS-PP103 External Corner Detail, 01.10.10
- SS-PP104 Precast Panel Wall Detail, 01.10.10
- SS-SF100 Slab Footer, 01.10.10
- SS-SJ100 Precast Panel Stitch Joint, 01.10.10
- SS-SJC100 Stitch Joint Corner Detail, 01.10.10
- SS-SP100 Slab Penetration, 01.10.10
- SS-SP101 Sheet Pile, 01.10.10
- SS-TB100 Above Grade Termination, 01.10.10
- SS-TB101 Below Grade Termination, 02.02.11
- SS-WF100 Wall Floor Footing Precast Panel, 01.10.10
- SS-WF101 Wall Footing Precast Panel, 01.10.10
- SS-WF102 Wall Footing, 01.10.10
- SS-FBW100 Foundation Block Wall, 01.10.10
- SS-FBW101 Masonry Block Wall Horizontal Lap, 05.11.11
- SS-FBW102 Masonry Block Wall Vertical Lap, 05.11.11
- SS-SC100 Secant Piles Step1, 01.10.10
- SS-SC101 Secant Piles Step2, 01.10.10
SwellSeal® MS/HP Bentonite Technical Specification
Consenting instructions
Always refer to the Appraisal in full and the technical literature.