High Performance Bushfire Weepa

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Product Overview

  • A weep hole former containing stainless steel mesh, designed to protect your home during a bushfire.
  • When used in masonry construction it is compliant with AS3959:2009 for BAL-12.5, BAL-19, BAL-29 and BAL-40. 
  • Suitable for face brick or rendered brick and block.
  • The red mortar protector is removed after installation, leaving a clean and beautiful finish.
  • Great ventilation and drainage of the cavity reduce fungal decay and mildew.
  • Excludes pests.
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BF Weepa
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Installation Instructions


The patented grate in the High Performance Bushfire Weepa is designed so that under extreme heat from bush fires it doesn't melt. Instead, it chars and retains its structural integrity. The stainless steel mesh is retained in situ protecting the cavity from fire brands and sparks. Mesh specifications: T304 grade stainless steel woven mesh, wire aperture 0.415mm, wire diameter 0.22mm.

CSIRO Technical Assessment No 350 - extract

"The High Performance Bushfire Weepa is suitable for installation in Bushfire Attack Levels BAL-LOW, BAL-12.5, BAL19, BAL-29, BAL-40 as defined in AS 3959-2009 and is also suitable for installation in Bushfire Level BAL-FZ when a minimum setback distance of 10 m from the classified vegetation is achieved." 

More details from the assessment.

Installation guides

Download Installation Guide

Bushfire Weepa In Masonry

Step1 70HPBW

Step 1

Install the Weepa between bricks or blocks, at specified intervals and firmly in contact with the flashing. For rendering, set out a few millimetres.

Step2 70HPBW

Step 2

When rendering, the Weepa needs to be loosened in the masonry so the renderer can adjust the Weepa in and out. Grab internal rib to adjust Weepa in and out.

Step3 70HPBW

Step 3

After clean up, use a small, flat screwdriver to prise the mortar cover up at the bottom.

Step4 70HPBW

Step 4

The High Performance Bushfire Weepa has a specially formulated grate (with stainless steel mesh set behind) which chars and self extinguishes.

Bushfire Weepa In Rendered Masonry

Step1 RenderedMasonryBF

Step 1

Make sure the new Weepa is installed when the masonry wall is built.

Step2 RenderedMasonryBF

Step 2

Loosen the Weepa and pull out proud of masonry.

Step3 RenderedMasonryBF

Step 3

Lay on render around the Weepa.

Step4 RenderedMasonryBF

Step 4

Screen off around the Weepa.

Step5 RenderedMasonryBF

Step 5

Pat the Weepa flush with the surface.

Step6 RenderedMasonryBF

Step 6

Float around the Weepa.

Step7 RenderedMasonryBF

Step 7

Sponge finish.
For easy removal later, wipe the mortar guard clean now, then again after painting.

Step8 RenderedMasonryBF

Step 8

After finish and cleanup remove the mortar guard for beautiful weepholes.

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The Weepa range is subject to Intellectual Property Rights: Aust Pat Nos - 713335, 762230, 2007237177, 2007215369, 2008271915  Aust Pat Aps - 2013211506. International PCT AU2007/000004, PCT AU2014/000123.  NZ Pat No 567674, Sth Africa Pat No 2008/03841, USA Pat No 8171677, Canada Pat No 2629033, Germany Pat No 602007037097.3, Spain Pat No ES2491221, Italy Pat No IT1984580, France Pat No FR1984580, United Kingdom Pat No GB1984580. Des Reg 137021, 150609, 156915. Aust TM 775282, NZ TM 961710, USA TM 4457028, Europe TM 1145302.