United Roofings And Construction

Angles, shapes and sections of iron or non-alloy steel

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics

Screws, bolts, nuts, coach-screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel

Panels, boards, tiles, blocks and similar articles of vegetable fibre, of straw or of shavings, chips, particles, sawdust or other waste, of wood, agglomerated with cement, plaster or other mineral binders

Paving blocks, slabs, bricks, squares, tiles and other articles of pressed or moulded glass, whether or not wired, of a kind used for building or construction purposes; glass cubes and other glass small wares, whether or not on a backing, for mosaics or similar decorative purposes; leaded lights and the like; multi-cellular or foam glass in blocks, panels, plates, shells or similar forms