A wall with two separate layers and an air gap between them for insulation.
Like wearing a winter coat with a layer of trapped air to keep you warm.
Related Terms
Acknowledgement of Country
Born in Yamatji Country. Currently living and working on the land of
the Wurundjeri Woi Wurrung People. We acknowledge the Traditional
Custodians of this land, whose sovereignty was never ceded, and pay
our respect to their enduring connection to Country.