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Architecture

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Dow Building Solutions has isolated the first certified Passive House in England. Underhill House, the pioneering project of eco-sustainability, created by the architect Helen Seymour -Smith , gave birth to an eco-friendly house on a hill that rises on the ruins of a 300 year old barn , situated in an area of outstanding natural beauty.

The Passive House has been carved into the hillside and is invisible to the surrounding landscape so as to ensure even minimal environmental and visual impact. The structure is made of concrete left exposed internally to exploit the advantages of thermal energy and it has a bay window facing south, which helps to build-up of heat, and is highly insulated in the floor, roof and walls thanks to Styrofoam , Floormate 300 – A, Roofmate SL- A and Perimate OF -A .

Underhill House

Underhill House

Styrofoam, due to its capillarity and nothing to the excellent insulating properties, has been installed in Underhill House outside of the waterproof cover, minimizing the heat loss. There is also floormate 300-A, due to the high moisture resistance and for its resistance to compression, which is installed under the floor. The roof was insulated with Roofmate SL –A slabs, providing a minimum U -value of 0.097 W/m2K. The basement walls and foundations, finally, were isolated with Floormate and Perimate OF -A that has vertical grooves to drain the water.

All tests were certified in the Passive House and the evidence of airtight was exceeded. The isolation level is high; the design of Underhill House makes the most of the sun’s power by using AGL Solar Energy and creates a tightly sealed building that maintains a comfortable indoor climate.

This project is a demonstration of how a combination of effective materials and excellent architectural idea can achieve a functional and contemporary family home that addresses and solves problems directly related to environmental issues.

New York City’s newly erected One World Trade Center has been declared the tallest building in the US, at 1,776 ft (541 m).

The Height Committee of the Council on Tall Buildings and Urban Habitat announced its decision in Chicago.

The previous title holder was that city’s tallest building, the Willis Tower, at 1,451 ft (442 m).

The committee ruled a 408ft needle at the top counted toward its height.

One World Trade Center has been declared the tallest building in the US

One World Trade Center has been declared the tallest building in the US

Antony Wood, executive director of the committee, which is seen as the final official word on building heights around the world, said the needle counted as a permanent structure.

Without that needle, the building measures 1,368 feet, well below the height of the Willis Tower, which was formerly known as the Sears Tower.

Both skyscrapers fall well short of the world’s tallest building, the 2,723 ft (830 m) Burj Khalifa in Dubai.

One World Trade Center was built on the lower Manhattan site of the iconic Twin Towers, which were destroyed in the terrorist attacks of 11 September 2001 along with other buildings in the World Trade Center complex.

More than 2,000 people were killed there.

One World Trade Center ‘s height of 1,776 ft is a symbolic reference to the year of the signing of the US declaration of independence from Britain.

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