17
Polymeric membranes; Insulating water proofing membranes; Sealing membranes (Non-metallic -); Waterproof membranes of rubber; Sequency membranes of polyamides; Sequency membranes of polyvinylidene fluoride; Waterproof membranes of vulcanised fibre; Transfer membranes of polyamides; Sequency membranes of cellulose; Waterproof membranes made of polymers; Waterproof membranes for use in manufacture; Cross-linked polymeric membranes in sheet form; Polymeric porous membranes in sheet form; Membranes and semi-processed synthetic filtering materials; Polymeric porous membranes in hollow fibre form; Cross-linked polymeric membranes in hollow fibre form; Transfer membranes of cellulose derivatives; Sequency membranes of cellulose derivatives; Waterproofing film (plastic -) [other than for packaging]; Latex [rubber]; Gutta-percha; Plastics in extruded form for use in manufacture; Weatherstripping compositions; Stopping materials; Sealing and insulating materials; Insulating materials; Flexible hoses, not of metal
19
Bituminous sealing membranes; Roofing membranes; PVC roofing membrane; Damp proof membranes of synthetic plastics materials; Waterproof bituminous membranes reinforced with glass fibre; Bituminous products in the form of membranes for damp-proofing; Cementitious waterproofing coatings; Building materials, not of metal; Asphalt; Pitch and bitumen; Non-metallic transportable structures