Optimizing Walls Today to Build a Better Tomorrow

This white paper discusses the benefits and considerations of a hybrid wall that combines polyiso insulation with mineral wool for exterior insulation and a highly efficient clip system to support the cladding.

This paper explores the synergies and opportunities of a hybrid wall that combines polyisocyanurate and mineral wool insulation with a structurally and thermally efficient cladding attachment system with the following objectives:


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Reduce material use

Optimize wall thickness

Reduce costs

Meet the requirements for high-performance walls

Canadian policy is focusing on increasing energy efficiency for both new and existing buildings to help meet Canada’s commitments to reducing carbon emissions in the next decade and beyond. The steps towards adopting “net-zero energy ready” building codes for new construction in Canada by 2030 are well underway, and strategies to retrofit existing buildings are being developed.

Emerging policy is not only striving to maximize energy efficiency gains but is also introducing new measures to ensure that overall carbon emissions for the construction, operation and renewal of buildings are realized. New measures will recognize that embodied carbon must be considered alongside operational energy savings to ensure that overall carbon emissions are optimized on projects.

This policy shift is creating motivation for the building industry to challenge the prevailing approaches to the design and construction of the building envelope and look for opportunities to optimize assemblies in terms of cost and performance.


Energy Codes and Standards

A critical element for preparing industry for net zero energy buildings has been the introduction of requirements for comprehensive thermal bridging calculations into energy efficiency codes and standards.

High-Performance Walls

As codes and standards step towards net-zero buildings, improvements to the building envelope are required compared to conventional practice.


Non-Combustible Construction

Fire protection and combustibility requirements for high-rise residential buildings have a significant impact on the selection of components for wall and glazing assemblies.

Clear Field and Structural Optimization

Clear field energy performance is impacted by the placement and orientation of the clip-and-rail systems, as well as the thermal efficiency of the clips themselves.


Whether you’re choosing an air barrier, an insulation technology, a cladding support system, or other compatible accessory products, this guide will help professionals select the best SOPREMA solution to design efficient exterior wall assemblies.

The second edition of our BUILD BETTER Guide also features ACS Composite Systems’ THERMAL CLIPS as SOPREMA’s preferred attachment system for panelized exterior cladding materials.

Moreover, to comply with strict fire restrictions, SOPREMA has carried out extensive research and is proud to introduce in this new edition a protected wall assembly that has passed the fire test according to the CAN/ULC-S134 Standard conducted by Intertek.

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