Patent ID: 8925284
Filing Date: 2015-01-06
Classification: E04C,Y10T

Abstract:
1. A building panel including: a core including first geopolymer concrete; and one or more protective layers adjacent the core, each protective layer including second geopolymer concrete of greater density than the first geopolymer concrete; wherein a first air passageway is defined within and extends through the panel, the first air passageway including a first transverse channel within the core and a first plurality of longitudinal passages within the core, wherein said first transverse channel is in air-communication with each of said first plurality of longitudinal passages for moving air within the core; and wherein a second air passageway is defined within and extends through the panel, the second air passageway being separate to the first air passageway and including a second transverse channel within the core and a second plurality of longitudinal passages within the core, wherein said second transverse channel is in air-communication with each of said second plurality of longitudinal passages for moving air within the core.