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About Us

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At Glaze-Tech, quality is more than a principle, its a passion and we genuinely do all we can to delight our customers. Thankfully this has worked and we don’t employ salesmen and many satisfied clients recommend us to their friends.

Lennon Johnson started the company in 1997 and is still an enthusiastic installer. Remaining true to his commitment to provide genuine quality products and excellent customer service, Lennon and Lavinia have continued to grow the business for over 10 years. Glaze-tech is small enough to care and big enough to handle many contracts with housebuilders, housing associations and local councils.

As a family, we truly believe that you should treat people the way you would like to be treated yourself, and we incoporate this family value into our business.

Carefully Selected Materials

And we mean carefully selected! There can be no compromise here, as the quality of the finished product is very much dependent on the materials used in manufacturing it. That is why we insist that all our materials are sourced from within Europe from only top quality suppliers with an established reputation. No cheap, low quality imports here!

The Very Best PVCU Profiles

Manufactured in the UK

PVCU profiles are manufactured by Synseal, here in the United Kingdom, Synseal have been involved at all levels of the PVCU window and door industry since 1980, and have become one of the largest and most successful PVCU window extrusion companies in the industry.

The Very Best Quality

A cross section through a Legend70 frame says it all!

Synseal windows & door profiles are Kitemarked to BS7413 (Licence no. KM30983), BS7950/7413 (Licence no. KM41324) and PAS 23-1/BS7413 (Licence no. KM57030).

Cellular extrusion – For enhanced thermal insulation and considerable rigidity.

Steel and aluminium strengthening sections – Provide security and rigidity.

Please visit the Synseal website for further information on technolgy, click on the link below:


The very best craftsmanship

Exceptional quality materials means that our craftsmen can achieve the highest quality finish with perfect joints every time. Our customers can be confidently assured that their windows and doors are manufactured to the very best standards and from materials that will stand the test of time, providing the very best in reliability and trouble free service.

Uncompromising Finishing & Inspection

We always finish the job with a thorough and detailed inspection, to check that the installed windows and doors close and seal properly and have not been damaged during installation.


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