What we do…. We attend client’s homes & retrofit their existing single glazed timber windows into double glazed timber windows using the Thermawood patented system. We converse with the client, providing A grade customer service & treat their home with respect. Disassemble windows, remove sashes & prepare for modifying frames, using router saws, other power & hand tools onsite preparing the windows for glass. Installation of glass using our retrofit double-glazing system Installation of seals, hardware, repair & modify windows as required Full onsite Training Provided