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Buildings and Bushfires (The Researchers - Series 2)

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Many people believe bushfires create such an enormous amount of heat that, when surrounded by a bushfire, their houses may just explode in flames.

But researchers from CSIRO have found no evidence to support this popular myth. They have found, instead, that most houses catch alight in three ways: by direct flame contact, by radiant heat, and more importantly, by embers and combustible debris blown by the wind.

The outcome of their research has been a set of basic design principles for houses built in bushfire-prone areas.

Produced in 1989.

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00:26:20 | Montage Sun through red smoke, houses burning, fire research, Dr.Caird Ramsay
00:26:47 | Researchers logo
00:26:56 | People at leisure activities in sunshine
00:27:12 | News footage bushfires near Anglesea, burnt out buildings
00:27:29 | People in ruined houses, looking, clearing
00:27:37 | Dr. Caird Ramsay and Neville Macarthur, CSIRO, in ruins of stillsmouldering house
00:28:06 | Chimneys standing in ruins, surviving house
00:28:16 | Laboratory - researchers examine and discuss photos
00:28:46 | Flames in litter, in wood pile, on windowsill
00:28:52 | Graphics - how houses catch alight
00:29:04 | Burning embers starting little fires in house, whole house alight
00:29:36 | House built to resist fire danger, Dr. Caird Ramsay examines house,exterior
00:30:05 | Dr. Caird Ramsay walking around building sites without fire resistantfeatures, in bush
00:30:31 | Graphic - good house design for bush fire areas
00:30:48 | Researchers with maps in laboratory
00:30:50 | Dr. Caird Ramsay with video camera recording window burning experimentin laboratory
00:30:58 | Building site in bush
00:31:13 | Interview - Dr. Caird Ramsay
00:31:25 | Caption over still
00:31:30 | CSIRO logo
00:31:34 | End