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Flame spread in concealed mass timber spaces, report to Forestry Innovation Investment Ltd.

https://library.fpinnovations.ca/en/permalink/fpipub53042
Author
Ranger, Lindsay
Dagenais, Christian
Date
March 2020
Material Type
Report
Field
Sustainable Construction
Author
Ranger, Lindsay
Dagenais, Christian
Date
March 2020
Material Type
Report
Physical Description
40 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Fire
Doors
Timber
Resistance
Laminate product
Language
English
Abstract
These concealed or void space cases require installation of elements which represent additional material cost and labour. For wood buildings that rely heavily on prefabrication, these steps can have a significant impact on scheduling. Removing dependence on concrete and gypsum board in certain applications could make wood buildings more cost competitive to similar buildings of steel and concrete and could further enhance the benefits of prefabricated construction.
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Encapsulation of mass timber floor surfaces, report to Forestry Innovation Investment Ltd.

https://library.fpinnovations.ca/en/permalink/fpipub53043
Author
Ranger, Lindsay
Dagenais, Christian
Bénichou, Noureddine
Date
March 2020
Material Type
Report
Field
Sustainable Construction
Author
Ranger, Lindsay
Dagenais, Christian
BĂ©nichou, Noureddine
Contributor
Natural Resources Canada. Canadian Forest Service
Date
March 2020
Material Type
Report
Physical Description
55 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wood
Fire
Design
Building code
Floors
Fire tests
Residential construction
Language
English
Abstract
Currently, mass timber building designs commonly incorporate a concrete floor topping. This can improve building accoustics by increasing the mass of the assembly, reduce floor vibration and create a smooth flat surface to install finish flooring on. The installation of concrete requires formwork, pouring and finishing the concrete and time to cure which adds to project schedules. One way to address this is to use mass timber elements that are prefabricated with concrete toppings preinstalled. Replaceing the concrete floor toppings wiht dry alternatives, such as cement board, may also reduce construction timelines, while still ensuring adequate acoustic and vibration performance. Cement board needs only to be screwed in place and can be walked on immediately after installation; this reduction in construction time may reduce overall project costs and help make wood buildings more cost competitive than other types of construction.
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