About Us

Welcome to my bi^fold — part of the Starglaze Group. We are a professional manufacturing organisation supplying outstanding aluminium bi-fold doors, patio doors and windows as well as a comprehensive range of PVC products from our Head Office in Lincoln.

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Companies in Our Group


Specialising in the supply and installation of aluminium and PVC bi-fold doors, patios and windows across the country.

Sternfenster logo

Specialising in the supply only of all glazing products to trade business across the country.

Starglaze logo

Specialising in the supply and installation of all glazing products throughout Lincolnshire and surrounding areas.

Express logo

Network of trade window depots supplying all glazing products throughout the East Midlands.

Over 40 Years of Experience

We have been delivering outstanding products to our customers for over 40 years, developing and adapting our customer service to stand in line with the demands of the modern homeowner. This means we only deliver satisfaction, every time.

Family Run

As a family run business, we are able to offer an exceptional service that is based upon traditional values. We will work closely with you to ensure you get the perfect home improvement you are after. We’ll strive to get everything right, every time.

Professional Workforce

Our team of experienced installers are up to date with modern techniques, ensuring your aluminium door is installed to a premium standard. This not only ensure your new aluminium door looks its best, it performs its best as well.

Market Leading Aluminium Profile

Our aluminium doors utilise the market-leading aluminium profile from Smart, including the Visofold 1000 and the Visoglide Plus designs. These aluminium profiles have been specially designed to offer an outstanding level of thermal efficiency, security, durability, performance and appearance.

Competitive Prices

We are proud to offer highly competitive prices across all of our aluminium door styles. This means you won’t have to pay extortionate prices for our outstanding products. We’ll always be happy to offer a professional, honest and cost-effective price based on your exact specifications.


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