• How do I become a Soprema Approved Stockist?

    If you would like to become a Soprema Approved Stockist of our distribution range of waterproofing products, please contact our Sales Office on 08451 948 727 or email


  • Do SOPREMA provide standard details and drawings?

    Soprema have a full library of standard details and CAD drawings. Your Technical Sales Manager can supply these to you. Bespoke details are also available on request.

  • How do I become a SOPREMA Approved Contractor?

    Please contact our Sales Office for a new account application form and introduction. We will then arrange for a Technical Sales Manager to contact you and organise Approved Contractor Training for your Contracts Managers and Operatives according to experience.

  • Are SOPREMA products BBA approved?

    Soprema have the following BBA Approvals: Flag Single ply PVC - 97/3430 & 00/3684, Flag Single ply TPO - 00/3750, Soprema Bituminous membranes - 95/3098 & 99/3639, Alsan Liquid waterproofing - 11/4871, Duoflex structural waterproofing - 10/4745. Our systems also have other accreditaions and testing certificates issued by other independant bodies. Please contact our Technical Department for further information.

  • Are SOPREMA's warranties insurance backed?

    Soprema offer comprehensive, single-point, insurance backed warranties for 10 to 20 years as standard. All Soprema products are installed by approved contractors to ensure a consistent standard of quality workmanship. There is no minimum surface treated or project value to qualify for any of our warranties.

  • Do Soprema monitor the workmanship on their projects?

    Soprema Technical team ensure regular site inspections are carried out prior to, during and after installation. This ensures that our waterproofing systems are installed to the high level that we demand.

  • Is the Soprema Warranty affected if Soprema Products are used in conjunction with non Soprema products?

    Soprema will not issue warranties on projects where Soprema products have been installed with other manufacturer's products, unless otherwise approved prior to installation by the Soprema Technical Department.

  • Do soprema provide a warranty that covers waterproofing and green roof?

    All Manufacturers are only able to supply waterproofing warranties on Green roof projects.


  • Do Soprema provide a CPD programme for specifiers?

    Soprema can provide CPD seminars for all specifiers including Architects, Quantity Surveyors, Estimators and other construction proffessionals. To arrange a CPD, please contact

  • Do Soprema offer roofing and waterproofing product training?

    Soprema's Technical Department have a dedicated training centre and offer the following courses for Approved Contractors: Alsan Liquid applied waterproofing Flag PVC/TPO Waterproofing Flag Copper and Silver Art waterproofing Duoflex Structural Waterproofing Green Roof training Estimator training Contracts Manger's course Soprema also have a CPD programme for specifiers


  • How long have Soprema been in business?

    Soprema was founded in 1908 in Strasbourg, France. Soprema are a family owned global waterproofing and building envelope product manufacturer. In 2007 Flag SpA joined the Soprema Group, making us one of the largest manufacturers in the world.

  • What Industry bodies are Soprema associate members of?

    As a part of our commitment to high quality products and workmanship, Soprema take an active role in being an associate member of SPRA, NFRC, GRO, SWIG and other industry associations.