KAFLEX and ROFLEX Grommets
- Abbreviation
- Appraisal number 953 (2024)
- Valid from
- 13/02/2024
- Information provider
- BRANZ Limited,
- Information type
- BRANZ Appraisal,
- Format
- PDF,
Description
KAFLEX and ROFLEX Grommets are a range of pipe and cable penetration seals consisting a of soft, flexible EPDM membrane.
Scope
Wall Underlays
1. KAFLEX and ROFLEX Grommets have been appraised as pipe and cable penetration seals for use where the penetration is through the wall underlay on framed walls within the following scope:
- within the limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
- with flexible wall underlays situated in NZS 3604 Wind Zones up to, and including, Very High; or
- with flexible wall underlays used over rigid wall underlays in accordance with E2/AS1, Paragraph 9.1.7.2, and situated in NZS 3604 Wind Zones up to, and including, Extra High; or,
- with proprietary plywood or fibre cement based rigid wall underlays (rigid air barriers).
2. The flexible and rigid wall underlays must be covered by a valid BRANZ Appraisal.
Roof Underlays
3. KAFLEX and ROFLEX Grommets have also been appraised as pipe and cable grommets for use where the penetration is through the roof underlay on framed pitched roofs within the following scope:
- within the limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
- with flexible roof underlays fixed over framing or rigid roof sarking; and,
- situated in NZS 3604 Wind Zones up to, and including, Extra High.
4. The flexible roof underlays must be covered by a valid BRANZ Appraisal.
Specific Design
5. KAFLEX and ROFLEX Grommets 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 KAFLEX and ROFLEX Grommets into their design in accordance with the declared properties and the instructions of Pro Clima (NZ) Ltd.