Quality criteria
Membrane manufacturers
- Production control system in conformance with ISO9000.
- All membrane product to be certified by British Board of Agrément or BRE Global
- Comprehensive design manual relevant to UK conditions and construction practice.
- Indemnification for design advice.
- Must design and install in accordance with
SPRA Design Guide. - Suitably trained field and technical support staff.
- Dedicated off-site training facility with training programme and assessment subject to approval by SPRA Council.
- Must maintain a database of individuals trained to install particular products, with a suitable identity card of maximum life five years.
- Minimum 10 year guarantee on product and attachment.
- System of recorded site inspections to medium and large sites and all projects where a guarantee is to be offered.
- Private residential sector only: must operate a system of contractor self-certification backed up by random inspection by manufacturer to ensure high quality installation.
Associates
- Production system in conformance with ISO9000.
- Products to conform to relevant British and European Standards.
- Products to conform to SPRA Quality Scheme for the particular product type (as appropriate)
- Dedicated test facility in the United Kingdom.
- Must work in accordance with SPRA Design Guide.
- Indemnification for design advice.
- Minimum 10 year guarantee on product.
- Suitably trained field and technical support staff.
Contractor
- Quality management system registered or accredited to BS EN ISO 9001 or 9002 as appropriate.
- Comprehensive records of training achievement.
- License or approval to receive and install membrane product.
- Must work in accordance with current version of
SPRA Design Guide. - Active programme of training assessment to National or Scottish Vocational Qualification level II (Applied waterproof membranes – single ply roofing)
- Must be trained in the installation of at least one manufacturer member’s single ply product


