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tension fabric building under constructoin showing how it anchors to the ground with stakes and blocks

Environmental remediation crews and mining field workers know the hardships and challenges of working at locations that are selected not because they are convenient, but because that is where the project must take place. 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, wet and difficult to traverse. Or, 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 types of ground conditions. With the project clock ticking and budget constraints compounded by inhospitable conditions at the site, finding the right building solution that can also be deployed quickly is critical.

Allsite’s tension fabric building systems have the toughness and versatility needed to meet these challenges. Not only are they designed to withstand the elements, they come with a range of anchoring solutions to accommodate almost any site conditions, no matter how difficult.

Tension Fabric Building 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 to each project. Anchoring methods include the following:


Installation and anchoring of the TFS where the ground is stable and penetrable, is usually achieved through staking. When stakes are used, the ground must be relatively firm so 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 concrete blocks using concrete wedge anchors. An alternative option typically used for larger size structures is our concrete ballast tie down system.

Concrete Ballast Tie Down

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

Similarly to concrete block mount, ballast tie downs are used for ground that is impenetrable, soil conditions are too soft, or on 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 Mount

anchoring system example of container mount fabric structure

Container mount is another form of ballast anchoring and is typically used when more height is needed in the structure. Large water ballasts are stored inside the container to add weight. The fabric building is then mounted to the containers.

Ring Beam

Concrete ring beam anchoring system for tension fabric building

Ring beam is a type of foundation typically used for permanent installations. It is a concrete beam that goes 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 some of the installation solutions we have provided to our clients. If you have a custom work site problem related to temporary shelter 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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