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Window Restoration Specialists

Secondary Glazing

Traditional Leaded Lights


Traditional Glass Company

Tec Glass have been working with glass for the last 25 years and during that time we have experienced many different types of glazing scenarios. If you are thinking about refurbishing your existing glazing system or just want some advice about your options please do get in touch.


As traditional glaziers using time-honoured techniques we supply and install all types of glass into all types of window frames. We typically use a linseed oil putty to glaze in single panes or sealed units into a frame (usually timber).


Traditional window glazing and repairs are an essential consideration and service where properties are listed or under a strict conservation umbrella. They also help in preserving the rich heritage and value of older properties, and restoration has clear environmental benefits versus new replacement.


Tec Glass are proud to be a part of a relatively small number of companies in the UK who are 100% focused on preserving our historical buildings and heritage.

Glass supply from our workshop in Thame

Please note that we recommend you telephone before visiting to check availability in our workshop.

From our premises in Thame we stock and supply a range of Glass. We will stock the most common glass types, such as 4mm clear float glass and greenhouse glass and be able to supply most other glass within 5-7 working days.


Stock Glass types


Glass supplied to order

Glass & Glazing Supply

Restored leaded light with bullseyes Stock Glass sheets Traditional putty glazing sealed units into timber frame Restored Crittall Window with putty glazing