Marmox board is an economic lightweight substrate similar to Wedi board. The boards are made of waterproof extruded polystyrene, faced with a fibreglass mesh embedded into a cement polymer on each side, which adds extra strength and rigidity. It is extremely light, tough, and can be cut with a sharp knife into any shape (though it will tend to blunt the blade on your craft knife). No power tools are needed. It is waterproof and suitable for outdoor use if the exposed foam edges are protected, either by a frame or a coat of cement-based adhesive. For extra protection, you can apply alkali resistant mesh tape to the edges before applying cement-based adhesive. In the building industry it is used as an underlay for tiling applications in wet areas such as bathrooms.
We supply both 1cm and 2cm thick Marmox board in various pre-cut sizes. Also available are the fixings for hanging the board, complete with instructions. We now supply T-nut fixings which lie flush with the surface of the board, simplifying the laying of the tessera. Each set of fixings comprises two each of T-nuts, bolts and D-rings with which to hang a single board. So if you are going to cut up your board don't forget to order more fixings! Note: the fixings must be attached to the board before affixing the mosaic. For instructions on attaching the fixings, click here. I have stress-tested a single D-Ring up to 25kgs without problems, so a set of two will easily handle up to 40kgs.
Also, you can buy the 1cm boards with fixings attached, ready to go! We stock 2cm boards for extra strength for those larger projects.
The 90x30, 90x60 and 125x60 sizes are still available. Contact me to arrange purchase and arrange collection, or if you cannot collect, to arrange a special order.
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Smalti Australia is based in the lower Blue Mountains west of Sydney. Visits by appointment. Tel: 0400 150 157, email: