When your operation outgrows standard fabric building sizes, MegaDome’s S100 series delivers. From 100 to 160 feet wide, these double truss structures represent the upper range of fabric building engineering, designed for operations that need serious interior space without the cost, timeline, or permanence of conventional steel construction.
With truss profiles of 33 and 58 inches and interior peak clearances exceeding 53 feet, S100 buildings handle the applications that demand the most: large-scale grain and commodity storage, heavy equipment maintenance bays, indoor riding arenas, mining facilities, and major industrial operations. Every building is engineered to meet North American building codes for snow, wind, and seismic loads, and ships in modular kit form ready for assembly on your site.
The result is a permanent-grade structure at a fraction of the timeline and cost of traditional construction.
100' Double Truss Building
The entry point of the S100 series, the 100-foot building delivers a full clear-span interior with no internal columns. Available in 33-inch truss profiles, it’s a proven choice for grain storage, vehicle storage, and mid-scale industrial applications where floor space and ceiling height both matter. Engineered to local code requirements and available in custom lengths.
125' Double Truss Building
Step up to 125 feet and you gain the interior footprint to run parallel equipment lanes, stage large machinery, or store bulk commodities at commercial scale. The 125-foot building is one of MegaDome’s most specified widths for agricultural operations and industrial facilities that need room to work efficiently. The 33-in truss profile delivers maximum peak height for tall equipment clearance.
140' Double Truss Building
At 140 feet wide, the S100 series crosses into territory typically reserved for engineered steel buildings, but without the construction timeline, foundation costs, or permanent commitment. These structures are well suited to indoor arenas, large maintenance facilities, aggregate storage, and operations that run heavy equipment or need clear circulation routes across the full building width. Available in 33 or 58-inch truss profiles with full engineering documentation included.
160' Double Truss Building
The widest building in the MegaDome lineup, the 160-foot double truss structure offers an interior span that very few fabric building manufacturers can match. Designed for the most demanding applications, major grain terminals, mining operations, large-scale industrial facilities, and commercial indoor arenas, this building delivers engineered permanence with the speed and flexibility fabric construction is known for. The 58-inch truss profile provides interior peak clearances exceeding 53 feet, accommodating the tallest equipment and the largest operational footprints.
Every S100 building ships as a complete engineered kit with stamped drawings, installation hardware, and full technical support from MegaDome’s team. Lead times are significantly faster than conventional steel, and structures can be permitted and installed in a fraction of the time of traditional builds.
Ready to spec your building? Contact MegaDome to discuss your site, your application, and the right S100 configuration for your operation.