We’ve been supplying quality glazing products to homeowners and tradespeople for almost 30 years. We only supply the very best brands, to ensure that our customers are always happy. We have an extensive product range available from a variety of leading brands.

Brands available from our Alex Trade division are Kömmerling, Residor, and Senior Architectural Systems (SAS). If you wish to purchase products from any of our other industry leading brands, please contact us on 0161 482 2323.


Kömmerling, which was founded in 1897, have been producing quality uPVC window and door profiles since 1967. Their tried, tested and trusted brand offers impressive design, security and performance. The latest system of Kömmerling Chamfered 70 and Ovolo 70 has set new standards of performance in the uPVC market. This window profile provides you with a warm, safe, and quiet home.

Kömmerling have incorporated decades of research and development work to create the 70mm gold system, and we’re delighted to offer it as our uPVC window profile.

Buy Kömmerling


Residor is a brand brought to you by the people that make Solidor, so you can be confident with the design, performance and quality. Residor composite doors are foam core doors that are coated with a 3.6mm plastic skin, compared to the 1.6mm skin which is standard on the market. They offer a high level of security, as well as looking great.

Whether you have a modern or more traditional property, there’s a Residor designed to suit any installation.

Buy Residor

Senior Architectural Systems (SAS)

Senior Architectural Systems (SAS) have been at the forefront of design and development of high performance aluminium glazing products for more than 25 years. Their stylish aluminium doors have been developed carefully to ensure they offer excellent thermal and acoustic performance. All SAS products are manufactured in the UK, and are fully recyclable and energy efficient.

To back up their quality, SAS aluminium bifold doors have a life expectancy of 40+ years!


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