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GBC Contractors FAQs Q. How do I reduce Graffiti in my neighbour-hood? A. The main way to heavily reduce Graffiti in your local area is to remove the tag with in a 24 hours, this system has been proven to work. Q. Will you clean my house? A. GBC contractors are commercial cleaners and do not clean at a domestic level. Q. Can I remove Graffiti my self? A. YES you may not need to paint over the graffiti scribbling. If you are removing the graffiti for the first time try different methods on small areas first to see which will work best and ensure that the removal method isn’t causing damage. Try the follow methods: Detergent i.e. dishwashing liquid A solvent such as paint thinner, methylated spirits, or oven cleaner. BUT REMEMBER: these are hazardous chemicals, wear gloves and store away from children. Sanding or water blasting. Water blasting can be particularly effective on unpainted surfaces. If you the above methods are not working, Call GBC we are more than happy to help. Graffiti Removal & Toilet Services Covering the area bounded by Waiuku, Pokeno, Papakura, Pukekohe, Franklin