674: J Waterproofing

J1        Cementitious coatings

• J10      Specialist waterproof rendering

J2        Asphalt coatings

• J20      Mastic asphalt tanking/damp proof membranes
• J21      Mastic asphalt roofing/insulation/finishes
• J22      Proprietary roof decking with asphalt finish

J3        Liquid applied coatings

• J30      Liquid applied tanking/damp proof membranes
• J31      Liquid applied waterproof roof coverings
• J32      Sprayed vapour barriers
• J33      In situ glass reinforced plastics
• J34      Shell damp proof membranes

J4        Felt/flexible sheets

• J40      Flexible sheet tanking/damp proofing
• J41      Built up felt roof coverings
• J42      Single layer polymeric roof coverings
• J43      Proprietary roof decking with felt finish
• J44      Sheet linings for pools/lakes/waterways
• J45      Polyethylene roof coverings