OneSeal Multi-fit Pipe and Cable Penetration Seals have been appraised for use as pipe and service penetration seals for use where the penetration penetrates the wall underlay on timber and steel framed buildings within the following scope:

• the scope limitations of NZBC Acceptable Solutions E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
• with stand-alone flexible wall underlays covered by a valid BRANZ Appraisal; or,
• with flexible wall underlays covered by a valid BRANZ Appraisal for use over rigid wall underlays; or,
• with proprietary plywood or fibre cement based rigid wall underlays cover by a valid BRANZ Appraisal; and,
• situated in NZS 3604 Wind Zones up to, and including Very High where stand-alone flexible wall underlays are used; or,
• situated in NZS 3604 Wind Zones up to, and including Extra High where flexible wall underlays are used over rigid wall underlays, or proprietary rigid wall underlays are used.

OneSeal Multi-fit Piep and Cable Penetration Seals have also been appraised for use on buildings subject to specific weathertightness design. Building designers are responsible for the building design and for the incorporation of Multi-Fit Penetration Seals into their design in accordance with the declared properties and the instructions of Thermakraft Ltd

• Clause B2 Durability: Performance B2.3.1 (b), 15 years and B2.3.2. Multi-Fit Penetration Seals meet these requirements.
• Clause E2 External Moisture: Performance E2.3.2. When used as part of the wall cladding system, Multi-Fit Penetration Seals will contribute to meeting this requirement.
• Clause F2 Hazardous Building Materials: Performance F2.3.1. Multi-Fit Penetration Seals meet this requirement and will not present a health hazard to people.