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Fire Resistance in Timber Structures
Fire Resistance in Timber Structures



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Timber structures are able to offer an abundance of benefits in the design of construction industry. They offer a quick, cost effective and alternative to other construction materials, and perhaps most importantly in todays climate, provide one of the greener construction alternatives (esp if ethically sourced, providing a low carbon and effectively renewable building material). However with this choice, designers need to ensure they fully understand the risks associated with timber, with fire protection being a key aspect of this.

This course will cover some of the key technical considerations those involved with timber structures should consider in relation to fire protection. The agenda for the day will be:

1. Design of linear members
Fire design of timber members consists of determination of char layer and taking the effect strength loss in the heated zone into account. This lecture will describe the general procedure for fire design of timber members and specifically design of glulam beams and columns in standard fire according to EN 1995-1-2. Design example will be given.

2. Design of timber frame assemblies
Fire design of timber frame assemblies is more complex compared to linear members. Due to the relatively small cross-sections timber members can be more effected by fire and the protection by claddings and cavity insulation is important. This lecture will describe the procedure of fire design of timber frame walls and floors with and without cavity insulation. Design methods for rectangular cross-sections and I-joists will be presented according to EN 1995-1-2. Design example will be given.

3. Design for separating function
Fire resistance of separating walls and floors can be assessed by tests or by design method. This lecture will introduce a Separating Function Method that is based on summarizing contributions of each layer to the overall fire resistance of the structure. The method is published in the European Technical Guideline Fire Safety in Timber Buildings and will be added to the next version of EN 1995-1-2. Design example will be given.

4. News about the next generation of Eurocode 5
All Eurocodes are currently under revision. This lecture will explain the main coming changes and improvements of Eurocode 5 Part 1-2. For example design model for CLT. Description of the procedure for revision will be shortly explained.


Alar Just is a professor at Tallinn University of Technology and a researcher at RISE Research Institutes of Sweden. He completed his dissertation on fire resistance of timber frame assemblies in 2010. Dr. Just has been working as a Chief Engineer at the structural design office for 15 years where lead the design of many timber buildings and bridges. From 2010 he works as a researcher at RISE Research Institutes of Sweden where his research is related to fire resistance of timber structures. He has conducted more than 200 fire tests. Dr. Just is a professor of Structural Engineering at Tallinn University of Technology. Beside home university he has regular courses at Linneaus University. Dr. Just is reviewer for several scientific journals, in the scientific board of the conferences Structures in Fire, Wood Building Forum and Wood and Fire. He is a head of Estonian delegation in CEN TC 250 SC 5 and member of the Estonian mirror committee EVS TK13. He is member of TC250 - SC5.T4 project team, drafting the next generation of EN 1995-1-2.

Katrin Nele Mäger is a researcher and PhD student at Tallinn University of Technology. She is a member of CEN TC250 SC5 WG4. Her research field is the fire resistance of the I-joists. Katrin is an expert on Separating Function Method.


Alar Just


Katrin Nele Mäger



Attendance certificates are available on request after the completion of the webinar.


The format of this event will be a webinar using "Zoom Webinars".


The cost of registering for this webinar will be £240+VAT​.

​If you would like to register and pay now, please click the button below "Register Now". If you would prefer an invoice (for VAT exemptions/ purchase order requirement etc...) please click the button "send me an invoice" and complete the registration form, and our admin team will be in touch.

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Access to webinar was simple - the content and lecturer's presentation was clear and easily followed.

I was very pleased with the webinar and in particular the fact that good notes were provided, meaning that I could concentrate on the content rather than be scribbling notes all the way through.

I felt the seminar increased my understanding of connection design quite a lot.
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