Thermawood New Zealand specialises in retrofit double glazing for existing timber windows and doors. Its patented dry glazing system upgrades single-glazed timber joinery with high-performance double glazing, without the need to replace the original window frames.The system helps improve insulation, reduce outside noise, minimise condensation, protect interiors from UV damage, and create a warmer, quieter and more comfortable home. It also allows homeowners to preserve the original character and architectural features of their timber windows, making it particularly suitable for older and heritage properties.Thermawood can retrofit a wide range of window and door styles, including casement, awning, sliding, double-hung, bay, bi-fold, leadlight and stained-glass windows. The company also provides double glazing solutions for new timber joinery.With licensed installers across New Zealand, Thermawood provides tailored window assessments and retrofit solutions designed around each property. Its focus is on improving energy efficiency, comfort and performance while extending the life and character of existing timber joinery.
