The MegaDome Arch Profile Fabric Building combines classic curved design with modern engineering to deliver exceptional strength, versatility, and permit-ready performance. Available in 33′ and 40′ widths with customizable lengths, this profile is fully engineered to meet Canadian and U.S. building codes, making it an ideal choice for agricultural, industrial, commercial, and municipal applications. Built with our signature oval tube steel arches and durable fabric membranes, the Arch Profile offers quick installation, long-lasting durability, and outstanding protection from snow, wind, and harsh weather conditions.
Looking for something different? We also offer two other building profiles: Gable and A-Frame.
- Permanent Structure
- Stamped engineering plan included with every building
- Permit-ready for Canadian & U.S. building codes
- Widths: 33’ or 40′
- Length: Customized to your project needs
Foundations:
Concrete blocks
Concrete slab
Concrete grade beam
Continuous floating
Continuous deep
Round concrete piers
Concrete footing beam
Ends:
Open
Partial
Closed
Steel cladding
Ventilation:
Natural
High-performance
Membrane:
Standard or Elite HDPE (12 oz / 13.75 oz)
Standard: 16% light transmission
Exclusive Agricultural: 30% light transmission
Fire-retardant option available
MegaDome Arch Profile Fabric Building
- Oval Arch Tubing:
- 2″ x 3″ 9/16
- 3″ 3/4 x 4″ 5/16
- Lower section of arches hot-dip galvanized after welding
Components made from steel alloy with exclusive Harnois zinc-and-nickel anti-corrosion protection
Clearance at 4′: 9′ 10″ to 20′ 3″
Peak Clearance (highest point): 15′ 3″ to 37′ 8″
Structure Warranty:
Limited 10-year warranty on pre-galvanized steel
Limited 15-year warranty on hot-dip galvanized steel
Membrane Warranty:
- Limited 15-year warranty
MegaDome Arch Profile Fabric Building Widths
HP
33'
Truss Depth: 16″
HP
40'
Truss Depth: 16″
XP
33'
Truss Depth: 16″
XP
40'
Truss Depth: 16″