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Appraisal number: 977 (2017)

Date issued: 20 Dec 2017

Description

E2 Redway Flashings are a range of uPVC backflashings designed for use in a variety of wall construction details to meet the flashing requirements for both direct-fixed and cavity cladding systems. The range also includes the E2 Redway Flashings Sill Tray System for window and door joinery.

Scope

E2 Redway Flashings have been appraised for use as backflashings on timber and steel-framed buildings within the following scope:

  • The scope limitations of NZBC Acceptable Solution E2/AS1 paragraph 1.1 with regards to building height and floor plan area.
  • With direct-fixed or cavity-based wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or with proprietary direct-fixed or cavity-based cladding systems covered by a valid BRANZ Appraisal.
  • Situated in NZS 3604 wind zones, up to and including extra high.

(Note: E2 Redway Flashings can also be used on buildings subject to specific weathertightness design. Weathertightness design and detailing of these installations is the responsibility of the designer and is outside the scope of the Appraisal.)

The E2 Redway Flashings Sill Tray System has been appraised for use as a sill tray in joinery openings of buildings within the following scope:

  • Timber-framed buildings constructed in accordance with the scope limitations of NZBC Acceptable Solution E2/AS1 paragraph 1.1 with direct-fixed timber or fibre-cement horizontal weatherboard wall claddings in accordance with NZBC Acceptable Solution E2/AS1.
  • Constructed with concrete masonry, in situ concrete, precast concrete or EPS block systems up to 3 storeys in height with a maximum height from ground to eaves of 10 m and with a floor plan area only limited by seismic and structural joints, all designed and constructed in accordance with the NZBC.
  • Situated in NZS 3604 wind zones up to and including very high.

The E2 Redway Flashings Sill Tray System is appraised for use with aluminum window and door joinery that is installed with vertical jambs and horizontal heads and sills. (Note: The Appraisal of the E2 Redway Flashings Sill Tray System relies on the joinery meeting the requirements of NZS 4211 for the relevant wind zone.)

Technical literature

  • 19mm or 21mm Vented Cavity Closer, 2017
  • 25mm, 30mm & 35mm Vented Weatherboard Closer, 2017
  • 30mm or 35mm Vented Weatherboard Closer at Soffit, 2017
  • 40mm, 45mm & 50mm Vented Cavity Closer, 2017
  • Alternative Vertical Junction - Weatherboard to EIFS Cladding, 2017
  • Alternative Vertical Junction - Weatherboard to Flat Sheet, 2017
  • Brick Kick Out Flashing, 2017
  • Brick Veneer, 2017
  • Cant Strip - Weatherboard Starter, 2017
  • Internal Corner Junction - Flat Sheet to Horizontal Metal Cladding, 2017
  • Internal Corner Junction - Weatherboard to EIFS Cladding, 2017
  • Internal Junction - Weatherboard to Flat Sheet, 2017
  • Internal Corner Junction - Weatherboard to Horizontal Metal Cladding, 2017
  • Internal Corner Junction - Weatherboard to Stucco Plaster, 2017
  • Polystyrene Block Sill, 2017
  • Sill Tray Installation, 2017
  • Sill Tray Profile, 2017
  • Solid Construction Sill (Plastered), 2017
  • Top Vent Cavity Closer, 2017
  • Vertical Junction Flat Sheet to Horizontal Metal Cladding, 2017
  • Vertical Junction - Weatherboard to EIFS Cladding, 2017
  • Vertical Junction - Weatherboard to Flat Sheet, 2017
  • Vertical Junction - Weatherboard to Horizontal Metal Cladding, 2017
  • Vertical Junction - Weatherboard to Stucco Plaster, 2017
  • Weatherboard Direct Fixed, 2015

Consenting instructions

Always refer to the Appraisal in full and the Technical Literature.

Appraisal holder

Redway Developments Ltd
Address:
Phone: 03 358 5775

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