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tension fabric structure under construction, anchored to the ground with stakes and blocks

Environmental remediation crews and mining field workers know the hardships and challenges of working at locations selected not for convenience, but from necessity. Many times, the project location is less than hospitable. It may be on rough, uneven terrain, or in a very hot or cold environment. The ground may be saturated and wet, difficult to traverse. It may be frozen solid or consist of arid, tough desert soils that are almost impossible to penetrate.

These challenging projects often require temporary shelters and buildings to facilitate operations, but that means finding an adaptable, custom building solution that works on all ground conditions. With the clock ticking and budget constraints compounded by inhospitable conditions at the site, finding the right building solution and deploying it quickly is critical.

Allsite’s tension fabric building systems have the toughness and versatility needed to meet these challenges. Whether it is a pool enclosure or a military shelter, our buildings  are custom made for your site. Not only are they designed to withstand the elements, they come with a range of anchoring solutions to accommodate almost any site environment, no matter how difficult.

High Strength Anchoring Systems

tension fabric structure anchoring system concrete block mount example

Built for use in any location, the Allsite Tension Fabric Structure (TFS) does not require a traditional building foundation. The versatility of the TFS is enhanced by a range of installation and anchoring options that can be customized for each project. Anchoring methods include the following:


When the ground is stable and penetrable, installation and anchoring of the TFS is usually achieved through staking. The ground must be  firm enough that the stakes meet uplift (wind resistance factor) requirements. Stakes are used in settings such as parking lots, open fields or compacted soil. If a concrete foundation is present, concrete anchors can be used.

Concrete Block Mount

When ground conditions are impenetrable, too soft to hold stakes, or on surfaces where it is preferable not to drill holes (such as areas with underground electrical lines or on airport tarmacs), large concrete blocks may be used to anchor the structure. The structure can then be mounted on top of the blocks using concrete wedge anchors. An alternative option for larger structures is our concrete ballast tie down system.

Concrete Ballast Tie Downs

tension fabric building on soft ground anchored with ballast tie down, uses system of concrete blocks and cables

Similarly to concrete block mounts, ballast tie downs are used for impenetrable ground, soft soil, or surfaces where it is preferable not to drill holes. For this, TFS ballast brackets are clamped to the leg of the TFS and then chained to large concrete blocks or jersey barriers.

Container Mounts

anchoring system example of container mount fabric structure

Container mounts are another form of ballast anchoring used when the structure’s height needs to be increased. Large water ballasts are stored inside containers to add weight. The fabric building is then mounted to the containers.

Ring Beam

Concrete ring beam anchoring system for engineered fabric building

Ring beams are a type of foundation used for permanent installations. They are concrete beams that go around the perimeter of the structure. Baseplates are mounted on top of the concrete beam using wedge anchors, firmly attaching the structure to the ground. The ring beam creates a barrier to keep water from penetrating underneath the building.

Custom Fabric Building Solutions Inside and Out

These are just a sample of the installation solutions we have provided to our clients. If you have a custom work site problem related to temporary shelter system needs, let us help you solve it.

For more information about an Allsite tension fabric structure for your project, contact us or call 888-599-5112.

Author Jason Cromwell

Jason Cromwell is the General Manager of Allsite Structure Rentals. He has a degree in Business Economics from the University of California, Santa Barbara. Jason is a 12 year veteran in all matters related to Tension Fabric Structures with Allsite Structure Rentals and has over 20 years of sales, operations, and management experience. Read more about Jason and the rest of our team at

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