Imitation stone on asbestos cement sheeting
Description
AC sheeting with a thin manufactured façade adhered to surface with appearance of stone. Façade composition has similar structure to imitation bricks – Likely a plastic composition.
Designed for exterior walling. AC sheet was Wunderlich Durabestos.
Tor-ite Stone has the appearance of cut sandstone blocks with grout lines.
Wonga Stone, aka Wonga board, has the appearance of shaped stones laid with grout.
Stoneboard was a non-ACM product with a Burnieboard backing also produced by PBS, designed for interior use. Had an identical appearance to the Tor-ite Stone product.
Fire-Bak was another product marketed as Firebak Stoneboard. No Images located.
Printed instructions and information are likely to be adhered to the reverse side of the AC sheet.
Brands/products
Tor-ite Stone
Wonga Stone
- Plywood & Builders Supply (PBS)
- Fire-Bak
- Stoneboard (non-ACM)
Years of production/use
PBS product: 1963 to early 1970s
Similar product from other manufacturers may have been produced later.
Residential uses
- Interior feature walls, exterior facades, BBQ areas, patios, exterior cladding over existing AC sheeting, brick or timber.
Industrial uses
- Motels, public buildings, clubs, shops churches,
sales rooms
Be aware
The Tor-ite product could easily be used for interiors, particularly around heating structures such as fireplace facades. Although the Stoneboard was designed for this use, the AC sheeting may have been favoured by DIY installers.
Retailers advertised all three products for interior and exterior use.
Tor-ite and Stoneboard may be easily mistaken for each other
