Energy-Efficient Roofing Systems For Commercial Buildings

To meet the increasingly stringent energy efficiency requirements in Section J of the National Construction Code, the interface between the roof system and insulation must be given special consideration. The correct amount of space must be allowed under the roof sheet to ensure that the roof insulation recovers its design thickness and achieves its rated insulation value. For many projects, this task is made more difficult due to the nature of the architecture, scale of the project and limitations with conventional installation methods.

Energy-Efficient Roofing Systems for Commercial Buildings: Designing for NCC Section J Compliance takes a close look at how NCC Section J impacts roof system design and the role of insulation in that process. We also examine the problems with traditional methods of incorporating insulation in roof systems. Finally, we present an innovative integrated insulated roofing system that addresses these issues, enabling buildings to meet their energy efficiency requirements without compromising on design or performance.

A recent product innovation introduced by Lysaght is assisting commercial builders meet their thermal performance obligations without resorting to the separate purlin bridging and roof spacers used in traditional commercial roof installation. The LYSAGHT SUPABRIDGE system utilises the structural purlin depth to safely accommodate uncompressed blanket insulation and roof safety wire, thereby enabling the energy efficiency provisions of the NCC Section J to be achieved, while maintaining roof heights, and full sheeting capacities from direct fixing to purlin members.

Download this whitepaper for a close look at how NCC Section J impacts roof system design and how to meet energy efficiency requirements without compromising on design or performance.

 

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