Timber in Architecture Supplement CONTENTS
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ADF08_Timber Supp Covers_Layout 1 25/07/2018 15:44 Page 1 TIMBER IN adf ARCHITECTURE 08.18 ADF08_Timber Supp Covers_Layout 1 25/07/2018 15:44 Page 2 ADF08_Timber Supp 03-18_ADF Flatplan 27/07/2018 10:17 Page 3 08.18 Timber in architecture supplement CONTENTS 4 Industry news 6 COMMENT: The disruptive power of tall timber Kevin Flanagan of PLP Architecture explains how the firm’s pioneering research projects to build unprecedented tall engineered timber structures is driven by an agenda of increasing quality of life in ‘smart cities’ of the future 9 COMMENT: Why timber is the answer ADF caught up with Jeremy English of S dra to discuss why he feels timber is the solution to the UK’s housingӧ crisis, and how the material can help architects adopt less labour-intensive, offsite building techniques PROJECTS 12 Swimming among the timbers A competition-level swimming pool has been constructed at a Surrey school, integrating a high level of quality in the design of its timber elements while embracing its ancient woodland surroundings. Adam Cossey from the project’s architects Hawkins\Brown, tells Jack Wooler how it was achieved 12 18 Keeping the past in view Architect RO&AD’s timber watchtower project in the Netherlands engaged the community in innovative ways to generate a new enthusiasm for the area’s rich history. Sébastien Reed reports FEATURES 23 Going with the grain Gregg Wright of Reliance Veneer explains how the demand for decorative timbers combined with modern manufacturing techniques not only makes environmental sense, but can also enhance design 25 The membrane method 18 Adam Ford and John Mellor of Protect Membranes discuss how to achieve low U-values using membrane technology with low emissivity 27 The timber revolution Sarah Harding of Accsys Group reports on how the UK is experiencing a revolution in timber in architecture, as designers and specifiers increasingly embrace the material’s combination of beauty and environmental advantages 29 The most sustainable material of them all Sean Parnaby of West Port says that the timber industry is gradually winning the war against misconceptions about what he claims is not only the oldest, but the best fenestration material 23 ADF08_Timber Supp 03-18_ADF Flatplan 27/07/2018 10:18 Page 4 4 NEWS Managing Editor James Parker [email protected] Advertisement Manager/ Joint Publisher FROM Anthony Parker [email protected] Assistant Editor Sébastien Reed THE EDITOR Editorial Co-ordinator Shelley Collyer Editorial Assistants here is a strong case to be made that timber has now become architects’ favourite material, Roseanne Field Jack Wooler following a few decades when steel and glass (not to mention the perennial 20th century contender, concrete), dominated. Architects, driven by the twin desires to build more sustainably Studio Manager T Mikey Pooley and with wellbeing at the core, have always turned to timber. However with modular housing now Production Assistants becoming flavour of the month/year, the triple threat is going to lead to some waves breaking across the Carmen Simpson Georgia Musson whole construction industry. Sales Executives Suzanne Easter Ian Fletcher The realities of embracing not only volume housebuilding, but a new construction approach in the form of Kim Friend modular timber, seem to have proved more daunting than expected for Legal & General. Notwithstanding, Steve Smith the insurer now looks to be ready to build its first modular timber homes, fresh from its new factory. Audience Development Manager Apparently, L&G Homes struggled to find CLT of the desired tolerances to do what it wanted, which Jane Spice shows that while the CLT revolution is truly that, doing it in practice is far from simple. Managing Director Simon Reed L&G Homes aims to build between 10,000 and 15,000 homes a year within five years, and owning Cala Advertising & Administration Homes means that it has a foothold in sites, meaning it has at least some of the challenges covered. It is t 01435 863500 [email protected] going to build 650 homes for rent on a brownfield site it has acquired next to a new Crossrail station in www.architectsdatafile.co.uk Woolwich, which sounds like the ideal showcase to present what modular CLT can do. Press Releases [email protected] The big issue is that this kind of innovation is really going to put the cat among the pigeons in terms of the Subscription circulation enquiries UK’s traditional (some might say moribund) adherence to brick-and-block house construction. While [email protected] apartment blocks have embraced various alternative materials over the decades (and are arguably a better netMAGmedia Ltd use of land), housing tends to be in the grip of the major volume builders, who prefer the supply chains Cointronic House Station Road, Heathfield and methods (not to mention the density levels) they know, and can control. East Sussex, TN21 8DF netMAG Modular timber is of course an entirely different way of doing it, ensuring things are sorted pre-site, and media publishing – vertical search with minimal time and effort – comparatively – spent on site. The beam-and-post simplicity of the Tallwood House project in Vancouver (which was reported in ADF March 2018), shows just what is possible in tall buildings – an 18 storey timber structure, albeit with concrete cores. The question is, Annual subscription costs just £48 whether major UK builders will embrace, or resist, the rise of timber in housebuilding. for 12 issues, including post and packing. Phone 01435 863500 for details. Individual copies of the publication are available at £5 each In this supplement devoted to design and construction using timber, we cover all bases, from a inc p & p. All rights reserved watchtower in the Netherlands, to PLP’s staggering proposals for tall urban towers constructed entirely No part of this publication may be reproduced or transmitted in any form from wood. We hope you find it illuminating reading. or by any means, electronic, mechanical, including photocopying, recording or stored in any information retrieval system without the express James Parker prior written consent of the publisher. Although every effort is made to Editor ensure the accuracy and reliability of material published in Architects Datafile, the publisher can accept no responsibility for the claims or opinions made by contributors, TIMBER IN adf manufacturers or advertisers. ARCHITECTURE 08.18 ON THE COVER... Editorial contributors to this journal may have made a payment towards Pompejus Tower by RO&AD Architecten is a structure the reproduction costs of material built from modified timber and steel in Halsteren, the used to illustrate their products. The manufacturer of the paper used Netherlands, and designed to lean at a sharp 60 within our publication is a Chain-of- degree angle, pointing towards a historic fort. Custody certified supplier operating within environmental systems certified to both ISO 14001 and For the full report, go to page 18 EMAS in order to ensure sustainable production. Cover image © Katja Effting Printed in England WWW.ARCHITECTSDATAFILE.CO.UK ADF AUGUST 2018 ADF08_Timber Supp 03-18_ADF Flatplan 27/07/2018 10:19 Page 5 NEWS 5 RESIDENTIAL Scottish CLT scheme sets a precedent At seven storeys, construction firm CCG superstructure, working collaboratively (Scotland)’s recently completed Ellerslie with Eurban at detail design stage to Road development is being hailed as ensure a smooth offsite manufacture and Scotland’s tallest timber building. onsite assembly process. The entire It is also Scotland's first multi-storey superstructure is built from Stora Enso domestic CLT building, and its Building PEFC certified CLT including the common © CCG (Scotland) Warrant approval has set a precedent in areas and lift shaft. The lift shaft’s Scotland as a result of evidence supplied structural walls are formed by 100 mm to Building Standards Scotland, Glasgow thick CLT panels tied together to form a construction of Ellerslie Road, which City Council and Scottish Fire & rigid tube with the shaft independent from equates to a total of 757 tonnes of CO2 Rescue Services. the CLT separation wall between lobby being removed from the earth’s atmosphere. Built on the banks of the River Clyde at and apartment. The shaft is restrained Other key benefits of building with CLT Yoker, a town just west of Glasgow, laterally at each of the seven floor levels, include the material’s inherent air-tightness Ellerslie Road provides 42 one, two and with the panels forming the lobby slab and and thermal properties, which mean that three bed contemporary mid-market rent capped with a 120 mm thick CLT ‘lid’ used residents will benefit from energy savings apartments for Sanctuary Homes, part of to fix the hooks to install the lift without when compared to traditional methods of Sanctuary Group. The new building, which the need for any steel lifting beam. construction. Solar PV panels have also was designed by MAST Architects, A bespoke platform is used to support been installed on the roof providing optimises the efficiency of CLT with six the superstructure due to the lightweight long-term energy savings on residents’ apartment modules arranged around one nature of CLT and the exposure to wind energy bills. central stairway in a ‘T’ shaped form. loadings along the river. The superstructure Building with CLT resulted in reduced Apartments are designed around a includes design features to provide construction time thus minimising impact standard template used by CCG for all enhanced resistance to disproportionate on the surrounding community, with the residential units, however CLT’s ability to collapse, and this has encouraged the entire seven-storey superstructure installed achieve long, uninterrupted spans allowed Institution of Structural Engineers and wind and watertight in just 16 weeks.