- 2074 Asoj · 3 marks
Uses of asphalt, bitumen, tar
Short answer
Asphalt is used for road wearing courses, mastic waterproofing, and floors. Bitumen acts as a road binder, prime/tack coat, waterproofing membrane, and in paints and sealants. Tar provides surface dressing, timber preservation, and tarred felt roofing.
What are the specific uses of asphalt, bitumen and tar?
Asphalt
- Wearing course (hot-mix asphalt) of roads, airport runways and parking areas.
- Mastic asphalt for flat roofs, basements, bridge decks and tanking.
- Floors of warehouses and factories, and footpaths.
Bitumen
- Binder for bituminous roads (macadam, concrete), and for tack and prime coats.
- Waterproofing and damp-proof courses, bituminous felts and membranes.
- Paints for steel and pipes, joint filler and sealant.
Tar
- Surface dressing and priming coat on roads.
- Preservative coating on timber (fence posts, sleepers) and underground pipes.
- Tarred felt for roofing, and patching of potholes.
✓ Answer checked by Claude Opus 5.5 (high effort)
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