Austral Bricks Governors Range. Austral Bricks pride themselves on being one of the few manufacturers of authentic sandstock bricks in Australia. The Austral Bricks Governors? range of sandstocks is crafted with all the traditions and experience that only one of Australia's largest and most experienced brick maker can offer. Like the first sandstocks made in colonial times, Governors? are solid with a double facing; only authentic sandstock have these unique features. What makes a sandstock brick different to a normal brick is in the forming process. The soft clay clot is firstly rolled in sand prior to being "thrown" into a mould called a stock, hence sand-stock.