Thursday24 August 2017

Big entrances, grand views

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Our round-up of doors and windows projects includes Rick Mather’s entrance to Oxford’s Ashmolean Museum and more

Carson Road, West Dulwich

Architect Knox Bhavan
Product Bay window seats and double French doors
Joiner Unibuild and Ian Dunn Woodwork & Design www.iandunn.com

Well crafted and generously proportioned bay windows proved a successful way of creating more space to the rear of a large Victorian property.

Knox Bhavan Architects was appointed to remodel a house that had been poorly converted into three flats in the 1960s, to create a refurbished family home. The clients had originally wanted to add a rear extension, but the architect persuaded them to integrate two 2m-wide x 2.6m-tall bay seat windows to the rear. The bespoke European Oak timber windows provide a symmetrical face to the back of the building and sit on either side of a set of outward opening double French doors, made from the same timber. The detailing could only have been achieved by using bespoke joinery, says Knox Bhavan partner Lucy Thomas. “The bay windows provide a feeling of increased space and light,” she adds. “We were also very keen on having a window seat and providing the ability to sit and have a conversation”.

The solid 56mm-deep bays project into the garden about 620mm from the rear wall of the house and each bay features hinged side openings operated by an Espagnolette lock and a brushed stainless steel d line handle by Allgood. The windows feature double-glazed toughened glass and the inner leaf is low E glass.

Detail showing timber grille and shutter’s recessed handle.

Detail showing timber grille and shutter’s recessed handle.

A tube heater is positioned below the window seat, and heat dispersed through a timber grille behind the seat, which is part of the window joinery.

Internal three-leaved hinged shutters can be closed at night for privacy or for shading. They are made from MDF with an oak veneer and with magnets set into the material to hold them in place. They can be closed by sliding them back (using a simple sliding mechanism) in front of the side lights of the window and unfolded across the large pane of fixed glazing.

This shutter treatment is repeated on the French doors where an oak panelled shutter can be folded back flush with the panelled wall or folded shut and locked at night for security and privacy, creating an elegant and warm panelled wall that is in keeping with the timber framed bay seat windows and shelving.

The exterior joinery was supplied by Morrells and applied with one coat of EIMW 4400 with 5% teak tint; then a barrier coat EFSE 700, a single component clear sealer applied to a wet film; and finally, one coat of EFWE 600 (sanding sealer). Since this project, Morrells has developed its own products for this application and no longer supplies the Sirca treatment.

The bay windows cost approximately £10,000 for both, while the whole assembly, including the windows, oak panelling and double French doors with shutters cost £15,000.

Given the quality of joinery in this project, it’s not a surprise to learn that the refurbished house has been shortlisted in this year’s Wood Awards, due to be announced on October 14.

Ashmolean Museum, Oxford

Architect Rick Mather
Product Revolving Doors
Manufacturer Record Blasi UK www.recorduk.co.uk

To make the most of the grand entrance to Charles Cockerell’s 1845 neo-classical building, Rick Mather Architects has proposed a highly transparent solution.

New automated revolving doors and two automated pass doors by Record Blasi UK will be installed in the original main entrance of the redeveloped Ashmolean Museum in time for the museum’s official opening on November 7.

Project architect Stuart Cade says that what makes these bespoke doors unusual are “their size relative to their framelessness”. The turnstile of the revolving doors is in fact, not completely frameless. It is framed on three sides with a specially designed slim profile covered in stainless steel, but the centre of the turnstile is frameless.

Montage showing revolving doors flanked by glass pass-doors.

Montage showing revolving doors flanked by glass pass-doors.

The revolving door will be 4.1m tall with a diameter of 2.2m, and will be flanked by two 1m-wide glass pass-doors. A 12mm-thick toughened safety glass is used in the turnstile and four separate curved sections, each 800mm wide, for the drum walls. The 18mm-thick glass ceiling to the revolving door is also laminated.

The architect also specified Record Blasi doors because it was able to conceal the door mechanisms beneath the ground, and he wanted a glass arrangement that would allow full-height views into the museum without obtrusive drive mechanisms obscuring the grade I listed entrance.

Cade explains that a void exists between the underside of the floor slabs and the top of the brick vault below which is sufficient to accommodate the mechanisms and gearing for the three doors. Some of the floor slabs in the entrance area have already been lifted to hide the door mechanisms below the floor finish. It is the positioning of the drive unit off centre that makes this installation unique.

Door plan

As part of the sympathetic alterations to the entrance, the existing and original 1841 blue Cockerell timber doors have been restored, reuniting the top and lower halves to their full height.

An existing timber porch and pair of timber doors fitted to the rear of the Cockerell main doors have been removed, together with an associated heater, conduits and pipes. Above the revolving door, Record Blasi has installed a fixed glazed 4.6m-wide panel that seals off the opening and allows a simple “Ashmolean” sign to be placed.

Eight Moorgate, London EC2

Architect Smok Architecture & Design
Product Hinged door and curtain walling
Manufacturer Schüco www.schueco.com

To make the most of the dramatic views offered by its rooftop site, the newly opened members club features expansive terraces wrapped around its two floors.

A floor to ceiling curtain walling system with a total of 12 integral hinged double doors called FW50+ was selected from Schüco’s German system for its lightness, quick installation and because it was cheaper than most other curtain walling systems available in the UK.

The curtain walling system incorporates 12 hinged double doors.

The curtain walling system incorporates 12 hinged double doors.

The envelope to the two-storey extension was designed by Smok Architecture & Design, hired by the contractor since it was a design-and-build project. The interior was designed by Kinsman Glynn-Smith director Brandon Kinsman, who also owns the club.

The 50mm-thick curtain walling system features a powder-coated aluminium frame painted an elephant grey in keeping with the building’s existing steel framed windows. The system incorporates a double-glazed unit composed of a float glass for the external layer and a laminated layer internally.

The double door unit is 1.3m wide and 2.4m tall, and the doors feature a triple locking system, which means they can only be locked by pushing the handle upwards. Clive Small, director of Smok Architecture & Design, believes this locking mechanism is appropriate for restaurants as the doors can easily be pushed open by staff carrying trays.


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