Portland by Rockdoor – Strong, Secure and Thermally Efficient
Unlike the old style UPVC doors which were available in any colour you liked, so long as it was white. You can choose from a whole range of colours for your Portland composite Rockdoor including white of course.
Like all Rockdoor designed composite doors, the Portland was designed and built to keep your home secure against the estimated 70% of break-ins which happen through an entrance doors.
Not only that, but due to it’s thermally efficient materials and S-Glaze technology, a Rockdoor keeps the cold out and the warmth in. With a 50mm thick sash, an lon gasket, an aluminium reinforced inner frame encapsulated in PVC-U and high-density polyurethane foam. The Portland Rockdoor is able to achieve its’ industry leading thermal performance ratings.
Choose your Portland composite door colour
Here you can see the full range of colours the Rockdoor Portland composite door is available in to give you inspiration for designing your own door. Please note, the doors shown below can be further customised with a choice of frame colours, glass designs and door furniture.