Weepa has a range of products to help you comply with the relevant Bushfire Attack Level (BAL) referenced in NCC:2019 Australian Building Code and published as AS3959:2018. Protecting weep holes is critical to prevent sparks and embers entering the wall cavity and causing unseen ignition of combustable materials in the cavity and the roof.
The New Generation Bushfire Weepa meets BAL-LOW, BAL-A12.5, BAL-A19, BAL-A29, BAL-A40. (Branz Appraisal Excerpt)
If you have installed another Weepa since 1st May, 2019 and need to meet BAL-A29 and BAL-A40, please contact our friendly Customer Service Team on 07 3844 3744 for help with a solution.)
The Stainless Steel Weepa meets all levels, BAL-LOW, BAL-A12.5, BAL-A19, BAL-A29, BAL-A40 and BAL-FZ. This product meets the standard by design, ie based on material of manufacture and specifications ie 316 stainless steel with holes less than 2mm. (Engineers Certificate of Compliance)
For retrofit to existing homes:
The Protector Weep Hole Screen meets all levels, BAL-LOW, BAL-12.5, BAL19, BAL29, BAL-40 and BAL-FZ. This product meets the standard by design, ie based on material of manufacture and specifications. Also tested in an accredited laboratory to meet BAL-40 when installed with Weepa Termite Protector.
Bushfire Compliance in detail.