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Dormers, Porches & Bay Flat Roofing


We provide roofing systems for Dormer and Porches, in need of renovation or new-builts. Sarnafil flat roofing systems provide homeowners with a high-quality and durable roofing solution that provides extra value whilst securing your dormer.
  • PROVEN TO LAST OVER 50 YEARS
  • INSURANCE BACKED GUARANTEES
  • APPROVED INSTALLERS FOR 17 YEARS
  • SOLAR REFLECTIVE
  • NO CRACKS SPLITS OR BLISTERS
  • ENVIRONMENTALLY FRIENDLY
  • NO MOSS OR PLANT GROWTH
  • VAPOR PERMEABLE
  • AESTHETICALLY PLEASING
  • VIRTUALLY MAINTENANCE FREE

Dormer and Porches are an impressive add-on for homeowners looking for additional living space and coverage. Most commonly found at the front or rear of a property, they create a unique aesthetic that instantly provides extra value for homes. 

Roofing for Dormers

Dormers are built-in wooden or brick structures that add space and head height to loft areas. To safely build and implement a dormer, renovations to the existing roof may be needed to secure the property.

As Sarnafil roofing installers, we use a single-ply membrane which is an ideal roofing solution for dormers. Its ability to improve thermal insulation will ensure your flat roof dormer will retain valuable heat, adding economical benefits and helping you save money!

Roofing for Porches

Porches are a great way to create a focal point at the front or rear of your property. They also add additional space as well as adding an extra level of security to your household.

They’re known for adding extra room for your home to store belongings such as shoes, coats and so on. We use a single-ply membrane called Sarnafil, which is perfect for flat roof installations on porches. Not only will it add a modern aesthetic, but its also virtually maintenance-free!