Technical Note – Treated Battens
Pro Clima, established in the 1980s within the German ecological building movement, provides building membrane solutions that maintain dry, healthy building fabrics without relying on chemical treatments, even for moisture-sensitive materials such as Radiata Pine. In Australia and New Zealand, timber is often chemically treated…
Above Sheathing Ventilation – Part 0: Flat Roofs
Download Article What’s a Ventilated Flat Roof? It is a low-pitched roof (≤10º) with an additional ventilated cavity space below the roof cladding. According to our European colleagues, it provides the opportunity to implement a diffusion open/permeable layer on the outer side of…
Above Sheathing Ventilation – Part 3: Fighting the Sun
Summer brings another set of challenges, but ASV is ready to take on the fierce forces of the Sun!
Above Sheathing Ventilation – Part 2: The Blue Planet
Download Article Earth is just a pale blue dot in the context of our solar system. It’s a pretty wet world, 70% is covered in water. Our planet’s blue colour is the result of all this water reflecting blue wavelengths of light from…
Above Sheathing Ventilation – Part 1: Rise of the Cavity
Download Article The Origin Story Every superhero needs one. If Above Sheathing Ventilation (ASV) is the superhero of roofs that work, then how and why did ASV come into being? We have a problem with the way we’ve been doing roofs in Australia and…