Advisory Committee for Roofwork www.roofworkadvice.info

British Board of Agr?ment
www.bbacerts.co.uk

Construction Products Association
www.constructionproducts.org.uk

European Liquid Waterproofing Association
www.elra.org.uk

Green Roof Centre
www.greenroofcentre.co.uk

Health & Safety Executive
www.hse.gov.uk

Institute of Roofing
www.instituteofroofing.org

Low Carbon Economy
www.lowcarboneconomy.com

Mastic Asphalt Council
www.masticasphaltcouncil.co.uk

Metal Cladding & Roofing Manufacturers Association www.mcrma.co.uk

National Confederation of Roofing Contractors
www.nfrc.co.uk

Royal Institute of British Architects
www.architecture.com

Single Ply Roofing Association
www.spra.co.uk