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Double Glazing Installed Properly by an Experienced Contractor Double glazing can help reduce your energy bills while reducing drafts. However, it is crucial that they are installed properly by an experienced contractor. To fill gaps and provide insulation, expanding foam is applied around the frame. It is also important to consider the kind of expanding foam to be employed. Preparation Double glazing is a fantastic investment for homeowners as it increases the energy efficiency of their homes. It us