Why aren’t we using building materials like Aerblock instead of wood? Habitat Forum 1976 alumni Michael Baron is involved in manufacturing this safe, lightweight, storm-proof, insulating, healthy-air concrete material that mimics ancient pumice building blocks.
Aerblocks are so light they float, and yet they withstand major natural disasters. Their application is almost universal—from disaster reconstruction in Haiti and Jamaica to full-scale luxury housing and large building projects.
Construction lobbies have helped thwart the adoption of this material in North America, but it is used in many parts of the world. Why does North America lag so far behind? The only region to have adopted it in any significant way so far is Florida, only thanks to a hurricane problem that is so severe it has overridden the efforts of business to block it.
In other parts of the world, the adoption of Aerblock would aid in health and community development. Not only does it keep out the heat and other threats to health, it is a simple and intuitive material to build with. Its interlocking blocks fit together so simply that untrained and uneducated builders can put together a decent shelter with the aid of pictorial instructions. Because Aerblock doesn’t require grout, which requires training to apply and is a major a source of failure, it’s more likely to be democratically adopted and buildings are less prone to fall down. It mimics an ancient style of building with pumice blocks, a natural building style. It’s worth noting that some of these ancient pumice buildings are still standing today.
Baron contacted me in relation to my book research on Habitat Forum ’76, and then went on to tell me about his work with Aerblock. I asked if Aerblock would work in a rainy, cool climate like Vancouver, and he said that contrary to popular assumption it would be ideal here. He has in fact been attempting to set up a small manufacturing plant here as a result of his long ties with the city. I asked him why this hasn’t been adopted in construction, apart from the deterrent effects of the wood lobby, and he pointed to something I’ve witnessed myself in my own attempt to salvage my building. There is a great deal of inertia in the construction industry. It’s cheaper to go on doing the same old wasteful things than it is to take the time to reeducate yourself and invest in newer, more sustainable technologies – even when the materials are ultimately cheaper or when they clearly benefit the homeowner. I had to battle subcontractors and suppliers over choosing newer, more ecological materials.
It’s interesting how many alumni of the groundbreaking Habitat ’76 conference are still working on sustainable architecture and appropriate technology 37 years later. Why are we right back where we started when we first began to talk about these things? Rhetorical question.
“Our Mission: We strive to play a crucial role in furthering the advancement of aerated, lightweight cementitious technologies here in the US and around the world, as a legacy building material, for generations to come!”
Below: Vlack Temple in Colorado, constructed with Aerblock; Haiti reconstruction; fully modern, large-scale house;