Building Envelope
At GM Construction Group, our capabilities extend beyond the norm. With a team of skilled engineers and architects under our roof, we're equipped to not only restore, but also rejuvenate any building envelope, irrespective of the level of framing decay or water damage. Our adept professionals employ innovative solutions to transform your space, ensuring it stands strong against the elements.
However, our commitment to you doesn't end with the completion of a project. We understand that peace of mind is crucial when it comes to your investment. That's why we stand firmly behind our work, extending a warranty that dwarfs the conventional 5-year guarantee offered on new homes. At GM Construction, we provide an industry-leading 20-year warranty, testament to our confidence in the enduring quality of our craftsmanship.
So, why settle for the standard when you can experience the exceptional? Contact us today and embark on a journey of transformation, reassurance, and unparalleled excellence with GM Construction Group.


Building Envelope
Our Process
With all the extreme weather we get in Calgary, a significant number of leaky condos, parkade water damage, house attic rain, and other leaks are actually caused by improper building enclosure on the exterior of the building.
GM Construction Group. has a dedicated department that specializes in investigating, pinpointing the source of the water ingress and then solving the ingress issue by repairing the building envelope or the membrane system surrounding the affected unit(s).
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Our Expertise.
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GM Construction's Red Sealed carpenters and building envelope technicians undertake waterproofing repairs to remedy and prevent moisture penetration. We manage moisture penetration above and below grade resulting from deteriorated, failed or cracked substrates such as concrete walls, block walls, parking garage decks, terrace decks, planter boxes & building envelope cavities.
Waterproofing repairs involve the removal of the existing waterproofing systems, surface preparation and application of any number of waterproofing systems. All of our Carpenters are certified by some of the top waterproof membrane suppliers in the lower mainland like Soprema and Bakor Henry to install a wide variety of waterproofing and dampproofing systems.
Common materials and systems include insulation, hot-applied fibre re-enforced bituminous waterproofing, membrane systems, PVC vinyl membranes, traffic bearing coating systems and pedestrian-bearing coating systems.
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Our Experience
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GM Construction specializes in many building envelope systems, including rain screen systems, EIFS systems, Hardie siding or remediation of an older existing building envelope system.
From walls to windows, doors, flashings and trims.
Installation of new through slab drainage systems. GM Construction will make your building waterproof for years to come.