Combustible Surface : Any material or object adjacent to, or in contact with heat-producing gas appliances, and made of, or surfaced with, materials that are capable of being ignited and burned
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}