Manufacturers and suppliers to the home improvement industry

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Instant Bi-Fold Quote

Trade customers can now get instant online pricing for our Opal bi-fold door collection. Click "Get a Quote" to login or register for an account. Instant access to our incredible range.

Glazing Options

Thermally efficient glass for all year round comfort

We are the largest independent glass roof manufacturers in the UK, made to the highest standard.

High-performance Glass Options

At Prefix Systems, we offer premium glass options made in conjunction with the leading glass manufacturers. We have put together a range of glass that ensures a comfortable living space all year round. Whether you choose a glazed roof, aluminium windows and doors or a stylish rooflight, we will offer high performance glass options to ensure the perfect environment for your home.

  • Reduces Glare
  • Retains Heat
  • Self-cleaning Glass

Glazed Roof Collection

Our glazed roofs are perfect for creating a light, bright living space to enjoy all year round.

Windows & Doors

Stylish, aluminium windows and doors

Our Opal Aluminium windows and doors are stylish, secure and thermally efficient. The glass choice within the windows and doors can also enhance your home dramatically. Windows provide a source of natural lighting for our homes and our high performance glass can improve window performance, aesthetics, thermal efficiency and sightline.


We can offer premium Velux glass in our roof window products. Our Prefix WARMroof® Hybrid roof uses Velux glass as standard in the roof panel to ensure high performance and ultimate home comfort all year round.

Speak to our team

Contact us today to speak to a member of our team who can connect you with details of your local trusted installer or we can post you a copy of our new brochure.

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