Manufacturer of permanent fabric buildings: Turnkey dome structures

Since 1999, MegaDome has been designing, manufacturing, and installing permanent fabric buildings for the most demanding industrial, municipal, and agricultural environments. Our turnkey dome structures are a proven alternative to conventional buildings, offering rapid commissioning, exceptional durability, and optimal cost control without compromising structural compliance.

Some of our exceptional customers

Hydro-Quebec_logo_blanc_cropped
port-trois-riviers_cropped
soprema_cropped
groupe-somavrac
rio-tinto_cropped
bellemare_cropped

Over 5,000 projects completed since 1999

The design, manufacture, and construction of a permanent fabric building requires specific expertise. Our team is well-versed in the standards and technical requirements to adapt the building to your needs, not the other way around. Each project is a tailor-made collaboration between our expertise and your vision.

Permanent-Grade Fabric Buildings. Engineered for Decades.

CriteriaMegaDome Fabric Buildings
Lead TimeWeeks, not months
Cost per sq. ft.Starting around $15/sq. ft.
FlexibilityModular, expandable, relocatable
DurabilityEngineered steel frame, galvanized protection
ROIFaster deployment, lower capital cost, reduced operating expenses
Fabric buildings for mining operations

Industrial & Commercial Fabric Buildings

Warehousing, bulk materials, waste & recycling, logistics, aviation, and mining support.

Agricultural & Equestrian Fabric Buildings

Equipment storage, hay & grain, livestock barns, and riding arenas.

Municipal & Public Works Fabric Buildings

Salt/sand storage, fleet garages, transfer stations, and emergency response.

Permanent fabric buildings for each sector

Why choose MegaDome for a permanent fabric building?

Steel truss frame

Oval structural tubing for added strength and smooth load paths.

Corrosion protection

Hot‑dip galvanizing standard; optional epoxy coating for aggressive environments

High‑performance membrane

Welded polyethylene fabric manufactured under strict QA. Durable and repairable; localized patches or panel replacement as needed.

Made in Canada

Our MegaDome fabric buildings are designed and manufactured in Canada to ISO 9001 and CSA A660 standards, our main HDPE membrane, Powershield®, is made in Canada.

An alternative to conventional buildings

A permanent fabric building is now a proven solution for organizations seeking functional, sustainable, and rapidly deployable space without the constraints of traditional construction. Designed for long-term use, Mega Dome structures offer control over timelines, costs, and return on investment, while complying with current structural and climate standards.

Criterias Permanent Fabric Building (MegaDome) Conventionnal Building
Timeframe Ready for use in a few weeks Construction takes several months
Coûts Low initial investment and minimal maintenance costs High costs (construction, maintenance, energy)
Flexibility Modular, expandable, and relocatable Fixed structure, not very adaptable
Durability Designed for high climatic loads and intensive use Durable, but costly and inflexible
ROI Fast return on investment thanks to controlled deadlines and costs Longer ROI due to high initial investment
permanent fabric buildings
+ 0
bâtiment en toile permanent industriel - recyclage