Roofing Matters Group becomes a Sarnafil verified contractor


Local roofing contractors in Berkshire, Roofing Matters Group have officially partnered with Sika as a Sarnafil verified contractor. After several years working with Sika Sarnafil as an approved roof assured contractor, they are delighted to confirm that we have now been approved by Sika.

Their customers can now benefit from Sika’s guarantee, if they decide to go for Sarnafil’s single ply membrane, one of Roofing Matters Group’s highest requested services. A technical field agent from Sika will now have to put a specification in place for any of Roofing Matters Groups Sarnafil flat roofs. They will then sign off the works after completion and the customers satisfaction.

Who are Sika/Sarnafil?

Sika Sarnafil are widely considered in the industry as the premium manufacturer of long-lasting single ply membranes, manufactured in Switzerland.

With decades of experience in the roofing industry, all of their products have been independently verified by the BBA as having a life expectancy of 40 years, meaning you can be confident when selecting a Sarnafil membrane for your project.


Their quality standards do not end with the manufacture of their products.  They also have high standards in regard to the installation, which is why their membranes can only be installed by approved and licensed contractors such as Roofing Matters Group.


(One of Roofing Matters Groups customers in Wokingham)

Benefits of using Sarnafil single ply membranes

  • Range of colour and thickness
  • Choice of application methods – adhered, ballasted, mechanically fastened
  • Energy efficiency achieved through thermal insulation
  • BRE accredited thermal details
  • High vapour permeability
  • Reinforced for dimensional stability meaning they don’t shrink or lose shape
  • Unique lacquered top coating providing resistance to chemicals, waste and air pollution
  • Treated with a fire retardant

Sarnafil PVC membrane

One of Roofing Matters Groups most requested system is Sarnafil’s PVC membrane G140 and is easy to see why. Sarnafil® G 410-12 is a multi-layer, synthetic roof waterproofing sheet based on premium-quality polyvinyl chloride (PVC) with inlay of glass non-woven containing ultraviolet light stabilizers and flame retardant.


  • Roof waterproofing membrane for exposed flat roofs:
  • Fully bonded roof surfaces with contact adhesive Sarnacol® 2170/2172 depending on substrates.
  • Roof waterproofing membrane for exposed roof junction zones:
  • Roof waterproofing for junctions and flashings, e.g. wall and parapet junctions, roof lights, etc. Which are permanently exposed in installations of Sarnafil® G 410-12 EL roof waterproofing systems.
  • Roof waterproofing for junctions and flashings in installations of Sarnafil® G 410-EL Felt type exposed roof waterproofing systems.


  • Outstanding resistance to weathering, including permanent UV irradiation.
  • Excellent flexibility in cold temperatures.
  • No built-in stress at the time of production.
  • High dimensional stability.
  • High water vapour permeability.
  • Excellent weldability.
  • No risk of delamination or water-wicking.
  • Lacquer coated surface.
  • Recyclable.

If you would like to get in contact with Roofing Matters Group, you can get in touch with the team here and they can arrange for Daryl, to provide you a free quotation.