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The VENT VB10 is a Polypropylene Ventilation and Drainage Batten deigned to facilitate passive airflow and cavity drainage between the roofing underlay or membrane and the roof cladding. The VENT VB10 prevents the transfer of dew point from the underside of the roof cladding to the underside of the roofing underlay or membrane.
The VENT Vented Batten should be used in conjunction with other VENT products to ensure a complete ventilation system:
Additional fixing screw length is required to accommodate 30mm thickness of the VB20+VB10.
In the opinion of BRANZ, Roof Ventilation Products, if designed, used, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet or contribute to meeting the following provisions of the NZBC:
See BRANZ Appraisal 979 (2023) for full information.
Passive Ventilation has been used in Canada, America, the United Kingdom and Europe for almost four decades. By introducing passive ventilation into roofs these countries have significantly reduced internal moisture and prevented what was called 'sick home syndrome'.
More recently in New Zealand, since changes to E3:AS1 1.1.4.b of the New Zealand Building Code in 2014, passive ventilation has become more widely understood and the need to ventilate the uninhabited spaces in a building has been more widely acknowledged. Industry experts BRANZ have endorsed passive ventilation as a necessity in Skillion roof types and have recommended that all roof types are passively ventilated as redundancy to eradicate internal moisture.
The NZMRM is currently revising the Metal Roofing Code of Practice to incorporate ventilation into certain roof design and strongly recommending passive ventilation in all metal roof types.
Since the amendment of E3:AS1 hundreds of New Zealand buildings have incorporated passive ventilation into building design and application, These buildings include MOE school Reroof projects, residential new build and renovations and commercial projects.
Deep-Trough-Longrun-Cold-Roof-Apron-RV10DThalf-+-VB10
Dec 2022
Deep-Trough-Longrun-Skillion-Roof-Apron-RV10DThalf-+-VB10
Dec 2022
Deep-Trough-Longrun-Skillion-Roof-Ridge-RV10DT-+-VB20-+-VB10
Dec 2022
Steel Longrun Any Pitch - Skillion Roof No Eave - G2500N + VB20 + VB10 + G1275
Dec 2022
Steel Longrun Any Pitch - Skillion Roof With Eave - G2500N + VB20 + VB10 + G1275
Dec 2022
Steel-Longrun-15-or-less-Roof-Eave-G2500N-+-G502-+-VB10-+-G1275
Dec 2022
Steel-Longrun-15-or-more-Roof-Eave-G1200N-+-G502-+-VB10-+-G1275
Dec 2022
Steel-Longrun-25-or-more-Roof-Eave-G1200N-+-G502-+-VB10-+-G1275
Dec 2022
Steel-Longrun-30-or-more-Roof-Eave-G1200N-+-G502-+-VB10-+-G1275
Dec 2022
Steel-Longrun-Any-Pitch-Box-Gutter-VB20-+-VB10-+-G1275
Dec 2022
Steel-Longrun-Cold-Roof-Apron-RV10Phalf-+-VB10
Dec 2022
Steel-Longrun-Cold-Roof-Ridge-Barge-RV10Phalf-+-VB10
Dec 2022
Steel-Longrun-Skillion-Roof-Apron-RV10Phalf-+-VB20-+-VB10
Dec 2022
VENT provide complete passive ventilation systems that ensure healthy homes free from internal moisture and condensation.
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