Fabric Building Services
At MegaDome, we offer more than just fabric building services — we provide tailor-made solutions perfectly adapted to your specific needs. Whether for projects in agriculture, public works, transportation, or storage, our fabric structures combine durability, flexibility, and efficiency.
With innovative designs, high-quality materials, and quick installation, we ensure every project is delivered with precision — with no compromises.
Our comprehensive, customizable services are designed to support your business growth — today and into the future.

Planning Guide
1
Building Permit
The very first step in designing your building is to determine whether planning permission is required. In many cases, you probably already know the answer to this question.
2
Model and Size Selection
The style of your building will depend mainly on the width, height required and particularities of your site. Consult the guidelines below to identify the style(s) best suited to your needs.
3
Options Selection
In addition to shape and size, there are several other options to choose from:
- Models
- Clearance
- Galvanization
- Membrane
- Foundations
- Doors
- Ventilation
- Accessories
4
Contact Us
Whether you have a clear idea of your project, or are just thinking about it, contact us. We’ll assess your needs and propose a complete solution, adapted to your reality. Once the elements have been defined, our engineers and designers take over, and your structure is manufactured in our Canadian plant.
Project management and internal engineering
Our Fabric Building Services
MegaDome® buildings by Harnois are canvas structures designed for performance and durability. Designed in Canada, they withstand extreme weather conditions and intensive use. Thanks to their steel frame and durable polyethylene fabric, they combine strength, luminosity and flexibility. Ideal for the agricultural, industrial and municipal sectors, they are quick to install, cost-effective and backed by a 15-year warranty.
Engineering & Design
From initial design to technical drawings, our engineering department is with you every step of the way. Our coverall buildings are designed to withstand the most demanding environments, while offering efficient installation.
Manufacturing
Manufactured locally from quality steel, our sprung buildings meet the highest performance standards. This mastery of manufacturing enables us to offer robust, durable solutions adapted to all climates.
Installation
Whether it’s our team or our network of qualified installers, we take care of your MegaDome installation from A to Z. We guarantee precise, rapid assembly in compliance with industry standards.
Project Management
Through rigorous, centralized management, we ensure that deadlines, budgets and technical requirements are met. Every project is planned to ensure smooth execution, with no surprises.
Support
You benefit from comprehensive support before, during and after installation. Our fabric building services are always ready to support you to ensure the long-term performance and durability of your building.
Warranty
A robust warranty, just like our structures: up to 15 years’ coverage on key components, with fast, efficient technical support in the event of unforeseen circumstances.
North America-Wide Fabric Building Services Through Our Dealer Network
We have an extensive network of authorized dealers strategically located across North America, ensuring that MegaDome fabric building solutions are accessible wherever your project is based. Our dealers are trained to provide fabric building services, site-specific recommendations, and full support throughout the planning, permitting, and installation process. Whether you’re in Canada or the United States, you’ll benefit from local expertise backed by our national engineering and manufacturing capabilities. This network allows us to deliver consistent quality, faster response times, and ongoing after-sales support—no matter your industry or location.
Request a quote
Looking for someone near you?
We can put you in touch with a representative/dealer in your area.