45-20 Roof, floor and paving products

• 45-20-00 Asphalt, bitumen and resin mixtures
• 45-20-05 Asphalt, bitumen and resin mixtures
• 45-20-06 Bitumens, binders and bonding compounds
• 45-20-15 Carpets and underlays
• 45-20-20 Composite surfacing products
• 45-20-35 Floor and stair trim
• 45-20-50 Matting
• 45-20-55 Operable roof vents
• 45-20-60 Pavement and floor light products
• 45-20-62 Paving surface ancillaries
• 45-20-64 Paving units
• 45-20-66 Precast concrete flooring and decking products
• 45-20-68 Precast concrete structural roof products
• 45-20-70 Resilient floor coverings
• 45-20-75 Roof ventilators and terminals
• 45-20-80 Surface level traffic controls and gratings
• 45-20-90 Trusses and lattice frames
• 45-20-95 Venting products - temporary