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during installation it will help provide an air-tight and vapour barrier
000mm²/ Lm at ridge/
5 metre roll: 11
Please Note: This product is not suitable for fitting over exhaust fans with heat lamps
Designed for long-term exposure during construction with high UV durability but must not be left exposed for longer than 4 months
ProctorVent Drainage Batten Size:VB20 20mm 1800mm Batten - Black during installation it will helpProctorPassive Drainage Batten Black VB10 & VB20 are Polypropylene Ventilated Battens designed to create a 10. 5mm or 20mm cavity for ventilation and drainage in the wall cavity, reducing the risk of moisture build up and condensation. The following recommendation is based on NCC 2022. FROM NATIONAL CONSTRUCTION CODE 2022 VOL. 1 F8D5 ABCB HOUSING PROVISIONS 10. 8. 3 Roof Type Requirement for Airflow Low Level (Eaves Fascia) High Level (Ridge)
