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Pet bottles become building blocks of green house

DC
Published Dec 15, 2013, 8:28 pm IST
Updated Mar 19, 2019, 12:14 am IST
Prototype home constructed using 10,000 pet bottles, 25 bags of cement at Rs 35,000.
Plastic pet bottles house, which is claimed to reduce construction cost is awaiting endorsement from structural engineers from IIT - Madras. The innovators say that they are confident that their concept will be a pioneer in constructing environment
 Plastic pet bottles house, which is claimed to reduce construction cost is awaiting endorsement from structural engineers from IIT - Madras. The innovators say that they are confident that their concept will be a pioneer in constructing environment

Chennai: With the price of construction materials sky-rocketing, a green organisation in the city has come up with an innovative concept of constructing houses using pet bottles. The innovators said it is possible to construct environment-friendly, sustainable homes without bricks and iron.

The concept involves plastic bottles tightly packed with sand, which forms the basic unit, replacing bricks. “A prototype home was constructed on 240 sq feet, using 10,000 pet bottles and 25 bags of cement at an approximate cost of Rs 35,000 and it was a success,” said Romaine San Francesco, projects coordinator, Sampran Foundation.

 

According to the innovator, the stuffed pet bottles will be tightly arranged forming a structure on which a concrete coating will be given to stabilise the block. “Substituting bricks with pet bottles brings down the cost of construction,” says Francesco.

“Later, the concrete blocks are tightly wound with nylon ropes made out of fishing nets. This would further increase the strength of the concrete structures,” added Francesco, project coordinator.

Francesco points out that the environment-friendly experiment was inspired by fisherfolk who use nylon nets for fishing. “When a trawlers’ fishing net can hold fish weighing tonnes, it can surely hold concrete together and this was the logic behind the idea.

The pet bottle homes are considerably cooler inside as the mud in the bottles insulates the homes from the heat outside,” said Patrick San Francesco, innovator–founder, Sampran Foundation. The green innovation is awaiting inspection and endorsement by structural stability engineers of IIT-Madras.

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Location: Tamil Nadu




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