Order your free Altherm Design Box

Whether you're building or renovating, selecting the perfect windows and doors for your home can be daunting. Luckily, we have a variety of design tools to help you along your journey.

The Altherm Design Box is jam-packed full of our bespoke product brochures, up to 3 aluminium colour samples of your choice and a step-by-step guide beautifully packaged in our Altherm box for a seamless decision making process from the comfort of your own home, and in your own time.

Once you fill the form in below, we will get your Design Box assembled, packaged and dispatched directly to your doorstep. How easy is that?

We pride ourselves on our expert knowledge, innovation, and quality windows and doors. Once you have received your Design Box, visit your local Altherm manufacturer to view a showroom, more samples and to discuss your project, or book a free quote online. We can't wait to work with you!

  • Duralloy +PLUS

    Arctic White Matt

    Appliance White Matt

    Black Matt

    Canvas Cloth Matt

    Charcoal Matt

    Flax Pod Matt

    Ghost Grey Matt

    Gravel Matt

    Grey Friars Matt

    Ironsand Matt

    Karaka Matt

    Lichen Matt

    Metro Coal Dust Matt

    Metro Electric Cow Matt

    Mist Green Matt

    New Denim Blue Matt

    Off White Matt

    O’Keefe Grey Matt

    Palladium Silver Matt

    Matt Permanent Green

    Sandstone Grey Matt

    Scoria Matt

    Matt Silver Pearl

    Slate Blue Matt

    Titania Matt

    Warm White Pearl Matt

    Window Bronze Matt

    Windsor Grey Matt


    Protexture Appliance White Flat

    Protexture Arctic White Flat

    Protexture Black Flat

    Protexture Charcoal Flat

    Protexture Flaxpod Flat

    Protexture Grey Friars Flat

    Protexture Ironsand Flat

    Protexture Metro Silver Pearl Flat

    Protexture Sandstone Grey Flat

    Protexture Titania Flat

    Protexture Warm White Pearl

    Protexture Windsor Grey Flat