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Welcome To Doncaster

Glass Tec Windows is the top choice for Trade Windows in Doncaster. We are the direct go-to place for trades people and homeowners looking to improve their homes with UPVC trade windows and doors of the highest quality. We have products manufactured with the top quality Rehau UPVC profile and hardware which provide exceptional window system with energy efficient glass. With our wide supply only range of quality products, latest manufacturing technologies and prompt on time deliveries, we are undoubtedly the best UPVC window and door manufacturer covering Doncaster and nearby areas.


Trade UPVC Windows in Doncaster

We offer Trade Windows in Doncaster which are available in various styles and colours. With the latest Rehau Total 70 system which is fully tested and recognized, we manufacture products which meet the highest standards of the market which are very easy to install with click fit single leg bead. We provide A rated, C rated and toughened and laminated Low E glass to ensure they are secure and energy sufficient product. You can directly consider us for purchasing from our purpose built facility and ultimately lower your costs.


Quality Triple Glazing covering Doncaster

Our Trade Triple Glazing windows provide the best possible results when it comes to energy efficiency and sound proofing. These glass units have a u-value of 0.6 and a 44mm overall cavity. Comprising of three panes of glass, 2 warm edge bars and dual argon gas, the upvc frames further strengthened with steel reinforcement and installed with modern heavy duty parts.


Coloured Windows in Doncaster

Being the leader of the market in Trade Coloured Windows, we are considered pioneers of colours as we use modern manufacturing technologies from Rehau. We are also introducing further options for wood grain foils, such as black, anthracite grey, Irish oak, steel blue, chartwell green and nut tree. Due to such a futuristic approach, we have an established reputation as being the most innovative company of the industry. With our PVC-U frames which are available in a variety of colours, we remain a step ahead of every other manufacturer as all of them are still realising that windows can be made into more than just a few colours. You can avail our services and enjoy a similar edge over your rivals by providing your customers with unique and exceptional products.


Composite Doors in Doncaster

We have an ecological collection of Trade Composite Doors which come as both front and back door options. Available in any of 8 traditional colours, these units have Vectis multipoint locking systems and weather resistant GRP finishes which ensure security and strength, providing a whole array of quality choices for your customers. They also come with stiff 44mm thick door leaf which gives extra strength and fits flush to the frame in order to ease installation.


Patio Doors in Doncaster

We provide a range of highly secure Trade Patio Doors which come with welded constructions and galvanised steel profiles. Meeting all the necessary building regulations, these units are easily installable and can maintain a good reputation for your business. You can choose from various options as per the job requirement, including 2-4 panel designs, slide or part fixed openings as well as transoms and mullions.


French Doors in Doncaster

Just like the rest of our supply only collection, our Trade French Doors follow all current building requirements and are made using the most refined quality of materials. Your customers can choose from inward or outward opening doors and locking systems as our wide range can satisfy all their needs.



When you consider a manufacturer for Trade Windows in Doncaster, always keep in mind that we are the only company which supplies your business a whole array of Trade Double Glazed units which is bound to establish a strong foundation for your services. With options including Low E units, soft coat units, laminated units and toughened units, we offer multiple overall cavities such as 28mm, 36mm, 40mm, and 44mm. You can also utilize our acoustic glass for effective sound proofing for areas having high noise disturbances.

Customer & Services
Glass Tec Windows - Trade Windows In Doncaster
Glass Tec Windows - Trade Windows In Doncaster
Glass Tec Windows - Trade Windows In Doncaster
Glass Tec Windows - Trade Windows In Doncaster
Glass Tec Windows - Trade Windows In Doncaster
Glass Tec Windows - Trade Windows In Doncaster