CELLOCRETE TEST
On April 11th, 1957 the Cellocrete Building Service Ltd. carried out a fire test оп their Cellocrete wood wool slabs which are manufactured in Hong Kong. They built two stairways, one of timber simulating the staircase construction in old Chinese tenements, lined on the underside with 1 inch Cellocrete boards plastered inch thick on the exposed sur- faces. In the second staircase, the treads and risers were made entirely of inch Cellocrete slabs similar.y plastered.
Under these stairways a large quantity of dry wood well soaked in kerosene were set alight and kept going for a period of half an hour. At the expiration of this period, the staircases were not affected by the fire burning underneath, or showed any sign of instability or collapse even when loaded with two gunny bags of sand and four bags of cement, making a superimpos- ed load of 9 cwt.
risers, and it was possible to walk up and down and stand upon the stairs while the fire was burning under them.
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longer period, and if efficient provision had been made to prevent the flames being dissipated by the wind.
The most significant fact observed was that immediately the fire took hold the cement plaster over the Cellocrete slabs commenced to split, crack, and fly off in There is no doubt that the test proved Mr. W. J. Gorman, B.E.M., Chief a series of small explosions. The Cellocrete that the Cellocrete slabs were an efficient Officer, Mr. C.W. Brand, Deputy Chief slabs were unaffected by the fire, and after resistant to fire but, in our opinion, the Officer
and two high ranking Chinese more than ten minutes burning no heat test would have been more conclusive if officers of the Hong Kong Fire Brigade was felt on the exposed wooden treads and the fire had been allowed to burn over a were amongst those who observed the test.
CELLOCRETE
CELLOCRETE, the multi-purpose perfect lightweight building slab combines lightweight, strength, and a high degree of Sound and Thermal Insulation. Picture top right shows the new LONDON AIRPORT BUILDINGS ROOFED with woodwool slabs. CELLO- CRETE is being used to roof the new STAR FERRY PIER APPROACHES. It has also been used in other Hongkong Building projects for roofing, flooring, ceilings, partition walls, sound and thermal insulation, Fire Protection for wooden staircase and flooring.
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FLOOR CEMENT SCREEDING
CELLOCRETE
WIRE NETTÄNYG
SLAB
Lima putty CEILING FINISH
Test results on 2” Wood Wool Slab with R.C.C, Ribs.
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(a) Distributed Load
(b) Concentrated Load
(c) Concentrated Load
on area 4" x 4" in center of slab
512 lbs. per sq/ft.
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3620 lbs.
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1918 lbs.
EXTRA RENTAL INCOME!
EXTRA ACCOMMODATION!
Cellocrete makes it possible to add another storey to your existing building providing extra ac- commodation and extra rent!
Cellocrete Building Service Ltd.
1105 Wing On Life Building,
Hong Kong.
Tels:
36116 39924
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