Technical Statement
Product Description
Scope of use
On buildings subject to non-specific design under floor slabs complying with NZS 3604 and behind concrete masonry basement walls and under floor slabs complying with NZS 4229
On buildings subject to specific design with substrates of in situ or precast concrete complying with NZS 3101 or concrete masonry complying with NZS 4230; and,Where subsoil drainage and free draining granular backfill has been placed behind basement walls.
New Zealand Building Code (NZBC)
The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
- Clause B1 Structure: Performance B1.3.1
- Clause B2 Durability: Performance B2.3.1, B2.3.1(a), B2.3.2, B2.3.2(a)
- Clause F2 Hazardous building materials: Performance F2.3.1
Supporting evidence
The product has and can make available the following additional evidence to support the above statements:
Product Criteria
Design requirements
Product specification and incorporation of ARDEX WPM 195 Membranes into the building design shall be carried out by a designer/architect/engineer or a building professional who:
- Is qualified to design the buildings covered under the 'Scope' of use of this product.
- Has ready access to the technical specifications including installation details and standards referenced in the ARDEX Technical Product Manual where the design limitations are outlined for the scope of this PTS.
Accessories in the ARDEX WPM 195 system include bituminous primer (20L), bituminous sealant, protection boards and drainage boards.
Installation requirements
- Installation shall be carried out by a ARDEX New Zealand trained and licensed Applicator.
- Installation shall be undertaken in accordance with all relevant technical information related to the selected installation method.
- Long term properties of the material may be affected by contact with petroleum-based products such as oils, greases and solvents.
Maintenance requirements
Annual inspections must be made of the membrane's top edge seal and protection, the backfill capping, and the drainage pipe to ensure all are functioning as originally designed.
If required, the drainage pipe must be cleared to remove any sediment or silt build-up. The slope of the backfill capping must be maintained at all times.
Warrantees
The ARDEX WPM 195 Tanking System is backed by a 20 year warranty
Relationships
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Member of New Zealand Green Building Council |
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Date last validated:
07 September 2023 |
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Date last updated:
07 September 2023 |