Insulating and Achieving Airtightness with Cross Laminated Timber - Leamington Spa

A new full-day event on CLT held at Vitsoe's Headquarters - includes tour of the building.

‘Question everything generally thought to be obvious’

This one day event is an unique opportunity to learn about the many benefits of building with cross laminated timber (CLT) held in Vitsoe’s new worldwide factory and Head Quarters - an elegant, sustainable and inspiring building constructed of the same material.

The Green Register’s partner Ecological Building Systems will present a series of talks on how to achieve high levels of airtightness with CLT and wood fibre insulation together with methods of detailing using specialised fixings.

Following a presentation by project architects Waugh Thistleton, there will be a tour of the building (completed in September 2017) and the day finishes with a practical demonstration of some of the key applications of CLT.

Vitsœ’s approach to such a building was to design a system-based kit of parts. Cruck-framed barns, Joseph Paxton’s Crystal Palace, and north-lit factories were points of reference for construction technique and building form.

The building was to be well-detailed, robust and adaptable. Not only would it use less energy but the well-being of its occupants would be paramount. Views, natural light, natural ventilation and natural materials were deemed essential. And, of course, the quest for longevity would underpin every design decision.

The company’s founder, Niels Vitsœ worked together with Otto Zapf to establish Vitsœ in 1959 to realise the furniture designs of Dieter Rams. For over 50 years Dieter Rams has been designing ‘total configuration’ furniture made by Vitsoe, based on the ethos of long-living furniture that lasts generations, always striving to be better rather than newer.

The building is an excellent example of Dieter Rams approach to design: ‘Question everything generally thought to be obvious’.


09.00 - 09.30  Registration and Coffee

09.30 - 10.00  Ecological’s Experience of CLT in the UK
Niall Crosson, Senior Engineer, Ecological Building Systems

10.00 - 11.00  Insulating CLT with Wood Fibre Insulation
Fintan Wallace, Architectural Technologist, Ecological Building Systems

11.00 - 11.15  Tea and Coffee

11.15 - 12.15  Achieving Airtightness with CLT
Neil Turner, Technical Sales Manager, Ecological Building Systems

12.15 - 12.45  Fixing Calculations for CLT & Wood Fibre Insulation
Winston Kilburn, Aptus Fasteners

13.45 - 13.30  Lunch

13.30 - 14.15  Vitsoe HQ Architect Talk
Alistair Ogle, Waugh Thistleton, Talk on the Vitsoe building

14.15 - 15.00  Tour of the building

15.00 - 15.15  Tea and Coffee

15.15 - 15.45  Practical Applications and Demonstration
Ilias Igoumenidis, Technical Support Engineer, Ecological Building Systems

15.45 - 16.00  Question & Answer session

16.00  Close

About the trainers

Niall Crosson M.Eng.Sc. BTech, MIEI, CEPHC is Group Technical Manager at Ecological Building Systems. He holds a degree as a Bachelor of Technology (1st class Hons.) and a Masters Eng. Sc. He is also a Certified Passivhaus Consultant. He is a member of the Board of Directors of the Irish Green Building Council and provides guidance on a number of national standard committees. He has provided guidance to many awards winning low energy projects in Ireland and the UK. He has also co-authored and authored chapters for a number of low energy building publications including The Passivhaus Handbook and The Passivhaus Designers Manual. Niall also provides regular technical contributions to a number of construction publications including The Journal of the Royal Institute of Architects of Ireland.


Ilias Igoumenidis is Technical Support Engineer at Ecological Building Systems. Born and raised in Greece, Ilias graduated from the Polytechnic school of Civil Engineers of Patras University and for many years ran his own Design and Construction company prior to moving to the UK. Since 2013, he has been heavily involved with low energy consumption in building projects. He was the first person in the Hellenic Passive House Institute to gain the International Certification of a Certified Passive House Designer. Ilias played a significant part of the first Certified Passive House project [Enerphit] in the south eastern Mediterranean area “Passivistas”. Recent projects that Ilias has been involved with include:

  • Agar Grove, London Borough of Camden, 500 affordable homes for new and existing tenants, putting energy performance and fuel poverty top of the agenda, Hawkins\Brown Architects.
  • Glen Cottage, Allonby, Cumbria, internal and external renovation of solid stone property with Diathonite Evolution system.
  • St Leonards, Chelsea, London, internal renovation with Diathonite Evolution and Calsitherm climate board systems, Richard Bayliss, Le Lay Architects & Harry Paticas, Arboreal Architecture.

Neil Turner is Technical Sales Manager at Ecological Building Systems. A BBA-competent U-value assessor, who has been involved in developing CEN (Comité Européen de Normalisation) European standards, Neil has extensive experience in the building products sector. Neil advises architects, contractors and timber frame specialists on the specification of sustainable insulation products and has been involved in numerous sustainable projects throughout the UK. Recent projects that Neil has been involved with include:

  • Bristol City Council affordable Passivhaus housing scheme with pro clima systems, Halstatt Construction and Gale & Snowden Architects
  • York Road Montpelier Bristol, internal and external renovation with Diathonite Evolution system, Andrew Dale Architects
  • Oak Meadow Primary School, Thomas Vale Construction and Cygnum pro clima
  • West Dulwich Passivhaus new build pro clima systems, RDA Architects

Fintan Wallace is an Architectural Technologist at Ecological Building Systems. Graduating from Dublin Institute of Technology in 2011 with a B.Sc (Hons) in Architectural Technology, it was here in D.I.T’s Bolton Street where Fintan developed a strong interest in low energy and Passivhaus design. From here he continued his studies becoming both a Certified European Passivhaus designer and tradesperson. Fintan has travelled to Baden Württemberg in Germany to study passive housing and sustainable energy technology, gaining significant knowledge regarding the use of natural insulations in timber frame and solid wall constructions. Latterly Fintan has been involved extensively in a deep energy retrofit of a property to the Enerphit standard in the west of Ireland. Recent projects that Fintan has been involved with include:

  • Vitsoe, CLT Factory, Gutex and pro clima systems, Waugh Thistleton Architects.
  • Chelsea Barracks refurbishment, pro clima systems.
  • Lower Royd Farm, Passivhaus refurbishment with Diathonite.

What have delegates said about previous seminars with EBS?

"Excellent ... good mix of technical and practical demonstration."
"Excellent diagrams clearly explaining the concepts and practical examples and common problem descriptions."
"Very clear, helpful and very well done!"

Fees: £99 members / £149 non-members

Special offers

Book 3 places for the price of 2! Book 3 places at this event and get the 3rd place free.

Working in partnership with

February 28th, 2019 9:00 AM   to   4:00 PM
Vitsoe Headquarters
Old Warwick Road
Royal Leamington Spa, CV31 3NT
United Kingdom

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Members £ 99.00
Non-Members £ 149.00

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