- 2080 Baisakh · 1 mark
Define fire resistance
Short answer
Fire resistance is the ability to withstand fire without losing strength or stability for a specified time, preventing fire spread. It is rated in hours. Brick, concrete, and fire clay are fire resistant; steel loses strength at high temperatures.
Define fire resistance [printed 'first resistance'] as a property of materials.
Fire resistance is the ability of a material or building element to withstand fire without losing its strength, shape or stability for a stated time, and to prevent the spread of fire. It is expressed as the number of hours it can stand a standard fire test (for example a 2-hour rated wall). Brick, stone (to a limit), concrete and fire clay are fire resistant; timber burns and steel loses strength at about 500 to 600 °C.
✓ Answer checked by Claude Opus 5.5 (high effort)
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