Building cleaning and stain removal by Tech-Dry Building Protection Systems 
Due to their permeable surfaces, masonry building materials can be easily marked by graffiti, timber, oil, grease, foods and dirt resulting in permanent staining. Timber stains on decorative masonry substrates such as sandstone, coloured concrete block or other coloured masonry can be hard to remove. In the case of concrete products, efflorescence (white powder) often appears on the surface. Tech-Dry offers a range of comprehensive cleaning products. 
For further information contact:
Tech-Dry Building Protection Systems
Address: South Melbourne, Vic, 3205
Phone: 03 9699 8....
Fax: 03 9696 3....
Web: www.techdry.com.au
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