We offer a wide range of products and services. As a window fitter, we have a selection of Upvc and aluminum window for you to choose from. Spectrum uses market leading brands like Liniar, Deceuninck , Smart and Origin . When you choose Spectrum, you’re choosing high quality products and competitive prices, guaranteed. Plus, we offer a ten year warranty on all of our double glazing products, with a 12 month maintenance check, for the ultimate customer service. Quality Assured National Warranties back our warranty. That way, you know that your installation is built to last. We also install residential and patio doors in uPVC, Aluminium and Composite materials . We believe that with Deceuninck and Liniar uPVC doors, we can match your existing colour palette for your home with our continuum of RAL colours.