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Appraisal number: 979 (2017)

Date issued: 2 Nov 2017

Description

Roof Ventilation Products consist of a range of extruded battens and vents for use in pitched and skillion roof construction. Roof Ventilation Products, when used together, will form a system to assist with the ventilation of the roof space.

The following Roof Ventilation Products are covered by the Appraisal:

  • VENT Ventilated Roof Batten (VB20) - polypropylene ventilated batten used to create airflow. 
  • VENT Ridge Vent (RV10P abd RV10DT) - used at ridge to release air from the roof void. 
  • VENT Ventilated Apron Batten (AB20 and AB20DT) - polypropylene ventilated batten used at barge/abutment to allow air to escape from the lower roof void.

Scope

Roof Ventilation Products have been appraised for use as non-structural roof battens and vents for use with pitched and skillion roof construction on 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 profiled metal roof cladding.
  • Situated in NZS 3604 wind zones up to and including extra high.

Building designers are responsible for incorporation of Roof Ventilation Products into their design for weathertightness and detailing of junctions.

Technical literature

  • Product Information Sheet: VENT Ventilated Batten (VB20), October 2017
  • Control of Condensation in Buildings Product Information Sheet: Ridge Vent (RV10P), October 2017
  • Control of Condensation in Buildings Product Information Sheet: VENT Ventilated Apron Batten (AB20), October 2017
  • VENT Apron Batten - AB20DT Product Information Sheet
  • VENT Ventilated Roof Batten (VB20) typical used in conjunction with VENT Ridge Vent (RV10P) Profiled Steel Roof Cladding Skillion Ceiling, September 2017
  • VENT Apron Vent (AB20) Detail, September 2017
  • VENT Ridge Vent (RV10P) with VENT Vented Batten (VB20) Detail, September 2017
  • VENT Ridge Vent (RV10P) Detail, September 2017
  • VENT Ridge Vent - RV10DT Product Information Sheet
  • Apron Batten (AB20) Profiled Steel Roof Cladding Ventilated Barge Detail, September 2017
  • Figure 07 Deep Trough Longrun - Cold Roof Ridge AB20DT Detail
  • Figure 08 Deep Trough Longrun - Cold Roof Ridge RV10DT Detail 
  • Figure 09 Deep Trough Longrun - Skillion Roof Ridge - AB20DT + VB20
  • Figure 10 Deep Trough Longrun - Skillion Roof Ridge RV10DT + VB20

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder

Blue Building Solutions Ltd T/A VENT
Address:
Phone: 0508 258 369
Email: info@vent.nz

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