MLI Building Products
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MLI Building Products
Here at MLI, we supply a wide range of building products and double glazing solutions. From windows, doors and lantern roofs to soffits and fascia boards - we have everything you need to complete any home improvement project. We stock quality products, hand-picked from market leading manufacturers of windows, doors, conservatories and accessories.

Whether collecting in-store or delivering to site, we're able to fulfil orders quicker than any of our competitors. We pride ourselves on our first-class customer service, ensuring tradespeople are able to offer first-class services in turn. Our staff specialise in delivering great services to busy tradespeople.

Our massive range of products are expertly specified, ensuring our clients are able to deliver the perfect project. We take great pride in our commitment to excellence. We are committed to supplying the best windows, doors and conservatories with care that's why you can trust us for your project needs.
Services
MLI Building Products Ltd have been trading since 1997 offering a wide range of UPVc and Aluminium double glazing products, produced by market leaders. We stock a wide range of cladding, soffits and guttering systems. We supply bespoke UPVc and Aluminium doors, windows, composite doors and conservatories, many of these available in a large range of RAL colours.
At MLI Building Products, we supply uPVC windows across Worthing & West Sussex area. Stocking a wide range of window frame styles, available in a variety of RAL colours to suit any project. Combining state-of-the-art technology with modern design for an attractive, secure and energy efficient home.
Casement windows are one of the most popular products as they are versatile enough to be fitted for most properties whilst providing excellent security, high energy ratings and overall energy efficiency. Our windows combine state-of-the-art technology with modern aesthetics to provide unrivalled energy efficiency with beautiful, ultra-slim sight lines.
Our flush sash windows are designed to recreate the traditional elegance of timber joinery, while offering outstanding energy efficiency and security. Cutting edge technology ensures these windows retain the heat, while the range of styles and finishes available offers a wide choice of options. When it comes to security, there's no compromise there either, as all flush sash windows are equipped with shoot-bolt locking, guaranteed for 10 years.
Sash horn windows are designed to preserve the traditional look of box sash windows without compromising on the security and energy efficiency of more contemporary style windows. This enables you to maintain the traditional aesthetic of your property while still enjoying the benefits of modern technology which achieves the highest level of weather-tightness in the market.
Reviews (3)
Stuart Slade
Stuart Slade
Mar 03, 2021
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Fantastic service - hassle free and friendly - definite recommendation
Penelope Strachan
Penelope Strachan
Oct 03, 2020
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So pleased I found MLI to supply the windows and doors for my property renovation, Excellent Prices, far more competitive than any other quote I had. Service from Steve & Loretta was amazing, nothing was too much trouble. Everyone compliments us on the fantastic windows. I highly recommend. Thank you so much
Gabrielle Lynn
Gabrielle Lynn
May 30, 2017
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This was maple leaf d/g. Had conservatory installed some years ago, one roof panel put in upside down, we could never get it changed as after service poor. Now replacing roof due to hail damage and discover all roof panels were 2 inches short so gap was plugged by sticky putty type of glue and tape, poor workmanship and measuring. Beware and follow work in progress.