Project Typology
Project Innovation
The MV3 construction system is a prefabricated built‑up box‑section framing solution that combines structural capacity with continuous insulation and airtight joints to reduce envelope heat loss and associated GHG emissions well beyond conventional platform framing in dimensional lumber. Its objective is to provide a scalable, code‑aligned pathway to lower‑carbon buildings by addressing thermal bridging, air leakage, constructability, and cost barriers that currently limit uptake of higher‑performance envelopes.
How the system is innovative: Corner sections, king posts, and headers are designed to achieve about R9 versus approximately R4 for traditional dimensional‑lumber post framing; under steady‑state conditions this cuts conductive heat loss through these elements by roughly half, reducing overall heating and cooling loads and related GHG emissions where buildings are heated by fossil fuels.
The system uses a modular structural “box‑section” concept that integrates structure, insulation, and air‑/moisture‑control layers into a single manufactured unit, rather than relying on multiple site‑built layers that are more prone to thermal bridging and air leakage.
By focusing the advanced assembly on geometrically complex, high‑loss locations (corners, king posts, door and window headers) while allowing conventional insulated infill framing elsewhere, the approach offers a practical hybrid that can be adopted by mainstream builders without requiring a full departure from known framing practices.
For regional and global expansion: The MV3 approach directly supports emerging Canadian and international energy‑code trends that emphasize whole‑envelope performance and thermal‑bridging control, positioning it for application across Canadian climate zones and other cold‑ and mixed‑climate markets seeking net‑zero‑ready buildings.
Because the system is based on repeatable manufactured modules that can be adapted to local dimensional standards and sheathing/finish practices, it lends itself to regional licensing, prefabrication partnerships, and export into other jurisdictions facing similar energy‑efficiency and GHG‑reduction requirements.
Barriers to adoption: Adoption barriers are mitigated by intentionally designing MV3 as a compatible overlay on familiar lumber‑framed construction, enabling stepwise integration into existing design, permitting, and trades practices.
Project Partners
Alair Homes
Project Location
Calgary, Alberta
Project Lead
MV3 Construction System Ltd
Building Owner
Alair Homes
About the team
About
The MV³ construction system is a set of factory built box section framing units for corners, posts, and openings that integrate structure, insulation, and airtight joints. Used with conventional stud infill, it reduces thermal bridging and air leakage, improving wall energy performance and comfort while remaining compatible with standard wood frame construction. Connected together the system elements provide a rigid frame to replace the conventional dimensional lumber wall method of platform construction. Further contributing to green building targets the box sections are manufactured from oriented strand board which does not require the harvesting of old-growth timber.
Many companies offer full prefabricated wall panels or SIP systems (e.g., panelized stud walls, structural insulated panels, proprietary “smart walls”). MV3 is different because it targets only high loss locations—corners, posts, openings—with compact box section modules that integrate structure, insulation, and airtightness, while leaving straight wall runs as conventional framing; this hybrid approach improves thermal/air performance and constructability without forcing builders to adopt a completely new wall system.
The pilot project is 16-plex side-by-side residential development which will prove energy/GHG conservation, plus commercial and constructability viability of the elements of the MV3 construction system.