Over 30 years’ experience retrofitting double glazing for residential and commercial customers across Southland & Otago.

Thermawood Otago is proudly locally owned and operated from Cromwell and services the wider Otago and Southland regions.

Thermawood Central Otago’s team has a diverse range of skills which cover all aspects of glazing and timber window and door joinery, including rot repair and offers

the most advanced double glazing system for existing timber joinery. 

Click here to find out more about why the Thermawood Retrofit Double Glazing System is the market leader of timber double glazing.

Whether you are a homeowner or business owner, please contact our glass experts about any of our services:

• Double glazing in existing wooden frames and doors
• Retrofit double glazed aluminium window frames and doors 
• Leadlight preservation 
• Rot repair 
• Draught sealing 
• Hardware fittings 
• Glass repair and reglazing
• Frameless glass showers 
• Glass balustrades 
• Glass splashbacks 
• Mirrors 
• Pet door installation 
• Architectural glazing systems

Get in touch with Aaron for more information.