Tel. 0117 9533598


We install a range of polyester-reinforced PVC single ply roofing systems suitable for use in a wide range of roofing applications on both flat and sloping roofs.

We are an SIG Design & Technology accredited contractor, approved and fully trained to install SIG & IKO single-ply roofing systems.

Armourplan is a polyester-reinforced PVC membrane which is suitable for use on a wide range of roofing applications, including refurbishment, new build and more specialist installations such as simulated metal roofs.

With a successful track record spanning over 30 years, SIG installations are offered with lengthy manufacturers warranties.

SIG Design & Technology works in partnership with IKO and has exclusive UK distribution of three IKO- produced membrane systems; Armourplan PVC, Spectraplan TPE and PermaTEC hot melt.

These products can only be installed by an IKO trained and licensed contractor.

SIG Armourplan brochure

Contact us

Email: info@avonroof.co.uk

Tel. 0117 99533598

Why choose a Single-ply membrane roof?


NFRC House holders guide to flat roofing
Building regulations for thermal resistance (insulation)
Building regulatiuons, works to an existing roof
SIG Armourplan brochure
Protan exposed roof brochure
Resitrix brochure and catalogue

Protan is Scandinavia’s largest producer of thermoplastic roofing and is at the forefront of membrane technology. Protan (UK) Ltd offers a range of durable membranes which offer flexibility of design required for modern roofing systems. More than 70 million square metres of Protan roofing membranes have been installed throughout Europe since 1971 and their oldest roofs continue to be fully functional today.

Protan’s exposed roof systems incorporate new and innovative methods of fixing, time and labour saving devices, and improved wind uplift resistance with an increased focus on pre-fabrication off-site.

Protan’s exposed roof systems include: • Standard Overlap System • Secret-Fix System • Vacuum Roofing System • Pre-Fabricated Sheets System • Adhered System and much more.

We are fully trained and accredited Protan installers.  

Protan exposed roof brochure

Resitrix is a high performance weather proofing system with virtually unlimited application options. Easy & quick to install, an ideal over-roof system compatible with bitumen based substrates.
Resitrix brochure and catalogue


Single-ply membrane roofs offer the opportunity to create a green roof - a living bio-diverse covering that brings many benefits to the home owner and the surrounding environment. A green roof can also help to double the life expectancy of the waterproofing membrane!

Why choose a green roof?