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Indiawood 2020
INDIAWOOD 2020
Bangalore International Exhibition Centre, Tumkur Road Bangalore, India 13th International Trade Fair for Furniture Production Technologies, Woodworking Machinery, Tools, Fittings, Accessories, Raw Materials and Products

USE OF STRUCTURAL TIMBER PERMITTED IN BUILDINGS UP TO 18 METRES

After a lengthy consultation on the ban on combustible materials, the Department of Levelling Up, Housing and Communities has ruled that structural timber is approved for use within the external walls of buildings between 11 and 18 metres.

The government recognised that the proposed reduction of the combustibles ban from 18 metres to 11 metres put forward in the review would have a disproportionate impact on the use of structural timber and that a more ‘nuanced’ approach was required.

This approach is in line with the response from the timber industry, led by the Confederation of Timber Industries working with partners including ACAN, which called for the government to take a risk-based approach, and to focus restrictions on ‘cladding rather than structure’.
In buildings that include a ‘residential’ purpose with a storey of 11m or more in height, elements such as cladding, balconies, and other external surfaces must achieve class A1 or A2-s1, d0. While some exemptions apply, this effectively bans the use of combustible materials for these elements.

To read Approved Document B and the changes from June 2022 please click here: https://www.gov.uk/government/publications/fire-safety-approved-document-b

These changes to the Building Regulations will come into force on 1 December 2022. In their response to the review, the UK government said: Our approach will allow the continued use of structural timber in the external walls of residential buildings below 18m if these materials are used safely in accordance with the requirements of the Building Regulations.”

In response to calls for exemptions to be made for the use of structural timber to be used in residential buildings taller than 18 metres, the government said:

We recognise the potential environmental benefits of timber construction where it can be used safely. The case for exempting structural timber from the requirements of the ban in the highest risk buildings (above 18 metres) has been made by some respondents. The government is not yet satisfied that the case is strong enough to justify an exemption at this time.

The Department has commissioned research to look at the issue and how the use of modern methods of construction will inform the development of building regulations and any other necessary action.

“The government is committed, through the England Tree Action Plan to increase the use of timber in construction and we are working across government to identify key opportunities for the safe growth of timber use in low-rise buildings.”

Source: Timber Trade Federation


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