Soprema Waterproofing

Logo of Soprema

Soprema is one of the world’s leading suppliers of waterproofing, insulation and roofing products. Founded in France in 1908, it specialises in technology-focused, high-performance solutions for the construction industry.

The comprehensive range of Soprema waterproofing products includes PVC and liquid membranes, with key features including high resistance to extreme temperature and ultraviolet rays, plus flexibility and excellent weldability.

At Danrae Group, we regularly use Soprema’s Flagon products for our strata, construction, civil, commercial and government clients.

Rooftop view of city of Sydney


Soprema have more than 100 years of product specialisation and their products have an excellent reputation through the construction and waterproofing industries.

We opt for Soprema waterproofing products in our solution design, remediation and preventative maintenance solutions for their durability and reliability.

By choosing premium brands such as Soprema, it helps us deliver our first-class waterproofing solutions – with quality guaranteed.

Beautiful rooftop garden


The Danrae Group team use Soprema waterproofing membranes including Flagon SR for flat roofs, pools and major civil projects.

And Soprema’s polyurethane and bitumen based waterproofing coatings such as Soprema Alsan Flashing are ideal for rooftop gardens, terraces and balconies.

Our team is one of the few in the industry that are trained and certified to use every type and brand of membrane, including highly-specialised torch-on. We often choose Soprasun AR – mineral or plain – for our torch-on membrane projects.

Rooftop with view of sea and buildings


Soprema Flagon SR – Synthetic membrane of plasticised PVC reinforced with a polyester mesh and a signal layer on the surface.

  • Cold applied, flameless solution
  • Self-extinguish
  • Highly resistant to weathering and UV rays

Soprema Alsan Flashing – A patented single-component, polyurethane and bitumen-based waterproofing coating used for hard-to-access upstands and other areas where it is difficult to apply sheet waterproofing membranes.

  • One component, no mixing required
  • Superior protection against moisture
  • Easy to apply, which reduces the cost of labour

Soprasun AR (mineral or plain) – A membrane composed by APP modified bitumen with a polyester reinforcement.

  • Upper side finished with slates and selvedge with polypropene film
  • Can be used as a single-ply waterproofing membrane or as an upper layer in a multilayer system
  • Torch-on method including the selvedge
Man wearing a Danrae Group uniform


At Danrae Group, we’re committed to delivering high-quality and holistic waterproofing solutions for our clients across the strata, construction, civil, commercial and government sectors. It’s why we use leading brands like Soprema.

With our expertise and in-depth product knowledge, we can make tailored recommendations for an optimal and long-lasting waterproofing solution.

Please contact us if you need a premium-quality and permanent waterproofing solution for your property.


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