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Dorma fit for palace T

he UK Crown Estate’s £1 billion (US$ 1.6 billion) redevelopment of London’s Lower Regent Street has

made a significant leap forward with the conversion of the Grade II-listed Regent Palace Hotel into the 265,000 sq ft mixed- use Quadrant 3. With a BREEAM rating of ‘Excellent’, the scheme mixes modern architecture and exterior-built heritage. For the interior fit-out, DORMA provided a range of door hardware, automatic doors and glass fittings.

Cam-action door closers, including 126

of its surface-mounted TS97s, several TS92s fitted with an electro-magnetic hold-open feature (designed to secure fire doors in the open position, closing automatically only in the event of a power cut or fire), 14 TS93s (also supplied with

the hold-open function), and 130 ITS96s (which feature low opening forces and hidden design), were specified throughout the building.

All products are CE-marked to BS EN 1154 or BS EN 1155, Certifire-certificated, and help ensure doorsets are able to meet the requirements of Approved Document M of the Building Regulations and BS8300. DORMA’s HSW-G sliding-glass wall

system, with bronze-anodised-finish fittings, was used between the central lobby and café.

Elsewhere, six ED100 low-energy swing door operators, which open the door at controlled speeds and forces using a wall-mounted button, were used on the basement and ground level, as part of the bike access and egress areas.

Sustainable home insulated with Tradical Hemcrete L

ime Technology’s Tradical Hemcrete hemp and lime walling system has been used to help create a ‘stunning’

sustainable home in Hillingdon, London. The four-bedroom house, part of a

council-run scheme to create quality, affordable housing, is one of 47 that have been built so far. Tradical Hemcrete was used in the creation of highly insulated walls for the timber-frame home, helping it achieve a Level 5 Code for Sustainable Homes rating.

Produced from UK-grown hemp and a lime binder, Tradical Hemcrete offers 130kg CO2

/m2 emissions less than

conventional brick and block in a normal wall section, together with excellent thermal inertia. The house’s internal temperatures will be very stable, helping reduce its heating requirements. Built on traditional concrete foundations, the two-storey timber-frame house was lined with breathable sheathing board, after which a shutter system was erected

Earthquake wallpaper saves lives G 14 |

erman researchers at the Karlsruhe Institute of Technology (KIT) have developed an ultra-thin

‘intelligent composite seismic wallpaper’, otherwise known as ‘earthquake wallpaper’. This 1mm-thick material works by absorbing earthquake tremors, thus supporting walls and preventing them

from collapsing during earthquakes. The firm yet flexible material consists

of glass fibres woven in four directions into elastic polypropylene, ensuring that energy is evenly distributed. This stabilises buildings for longer and so allows longer escape times for inhabitants. The wallpaper also uses a special

adhesive that is rock-solid yet elastic. Based on polyurethane, flexible bonds loosen and reform on impact, providing additional reinforcement against tremors. Following extensive testing, the material is due for launch this year. However, it may be some time before it becomes a mass-market product.

September / October 2012

onto the outside frame. A 350mm-thick Tradical Hemcrete mix was poured in, creating both insulation and external wall lining in a single application. When complete, the house achieved thermal U-values of 0.16W/m2

K for all its walls.

The house also includes an extensive triple-glazed wrap around the ground- level façade, external timber cladding, a number of low-profile solar photovoltaic panels and two solar hot-water units.

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