tension fabric buildings
High-Strength Proven
Performance
Our tension fabric buildings can stand up
to almost any weather - from arctic cold to desert heat, from heavy snow to high wind
loads.
They can be air-conditioned or heated,
rigged for lights and wired for sound, fitted with windows and a variety of doors.
But unlike traditional
construction, standard Clamshelters® can be erected in a week or two, easily
reconfigured as needs change, or relocated to other projects or sites.
And wherever they stand, Alaska to the
Sahara, their sleek PVC skins and rugged aluminum arches make a distinct architectural
statement.
Clamshelter® Soccer Arena, Watsonville, CA

Systems & Series
System 20 & System 40:
Economical, light weight box beam frames recommended for building widths from 15' to 41'
(4.6m to 12.5m) Erect on level earth or asphalt or concrete - no footings or heavy
equipment required.
System 50:
Designed for the U.S. military, it set the industry standard for durable, easy-to-install,
quick-ship buildings suitable for 28' to 76' (8.5m to 23.2m) spans. Rugged I-beam
construction. Erect on level earth, asphalt or concrete. May require fork lift at wider
spans.
System 80: A
workhorse for applications requiring building widths from 88' to 141' (26.8m to 43m).
Truss frame design for added strength. May require concrete footings and crane at wider
spans.
Series B & Series C:
Economical box beam design for building widths from 30' to 120' (9.1m to 36.6m). Features
vertical walls and advanced fabric tensioning. Most sizes do not require concrete footings
or crane to erect.
Series D, E, F and G:
A family of truss-frame structures for building spans of 75' to 315' (22.9m to 96m).
Features vertical walls and advanced fabric tensioning. This truss design maximizes frame
ability to support heavy suspended loads, as well as wind and snow loads. For most
building sizes, concrete footings and crane required.

Clamshelter® Dance Studio University of California Santa Barbara
Clamshell Features
- clear-span widths from 15' to 315'
(4.6m to 96m)
- marine grade, high-strength 6061-T6
aluminum arches
- ten distinct performance-engineered
beam and truss designs for varying size, use and environmental demands
- rugged UV & mildew resistant
weathershells that meet NFPA-701 and California Fire Marshal requirements for flame
retardation
- unique secondary frame channels for
interior acoustical, aesthetic, or insulating liners
- patented beam-hanger technology for
easy accessory installation at ground level, before arches are raised

Clamshelter® Relocation, Rosemont, MN
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