Cold Resistant External Shutters from Blockout Shutters![]() From their development in Europe hundreds of years ago, external shutters have evolved from simple manual timber shutters, 10 sophisticated automated aluminium roller shutters. They are now designed to accurately cover your windows and other glass areas to protect your building from weather conditions, especially in the colder months of the year. Blockout Roller Shutters can reduce your building's heat loss through glass windows in winter by up to 70%. As the roller shutters are fitted externally, they create an insulated air pocket between the shutter and the window. This provides you with the following benefits:
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02 9725 3477 194 Newton Road, Wetherill Park, NSW, 2164
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