We use quality assured Graviti products such as Graviti Blocks and Graviti Mattress as a real cost saving and faster application where in the past Gabion Baskets, Gabion Mattresses and Geotextiles are used, for the construction of weirs, retaining walls, decorative facades, weirs and much more. Gravity Wall Systems Pty Ltd, PO Box 191, Ballina, Lennox Head, NSW 2478, Ph:02 6687 7465, Mb:0414 382 921, Web: www.gravitywallsystems.com