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What are the tiles made of?

April 26, 2017tiles

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What are the tiles made of?

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Gambale concrete roof tile are made of a dense mixture of Portland cement, fine washed sand, water and oxide pigment for colour. Gambale use 2:1 sand: cement ratio in the production of their roof tiles, whilst many of the concrete roof tiles available in Australia have 3:1 sand: cement ratio.