Existing Building Doors

agricultural shed door retrofit existing building quonset door

Need a door for your existing agricultural building?

Agricultural equipment isn’t getting any smaller. If you have an old building that just doesn’t work well for you anymore, consider upgrading the door. You can get more headroom for large equipment, much easier operation, and an improved look for your building with an agricultural shed door.

Overhead Space & Header System

The Self-Supporting Steel Header and supporting columns allow our doors to be installed on virtually any building. From fabric structures to older shops and quonsets. When modifying the building is cost prohibitive, the header system is used to support the door when the building cannot alone withstand the weight of the bi-fold. This option can provide more usable overhead space, as much as your building will allow.

A bifold agricultural shed door allows you to take full advantage of your maximum clear opening. Every door is installed to the outside of the building, but for even more headroom, the Self-Supporting Header option is added to allow the door to be installed past the roofline. This is particularly useful for quonset retrofits.

“I purchased my 20×14 Diamond door in 2015. The reason I went the bi-fold door due to a height issue as my ceiling would have been too low for my truck with having to put a header in for an overhead. After having this door now for 6 years I’m absolutely loving it and thankful now that this was the only choice I had.” – Troy

Increased Functionality

Fighting to open your sliding doors? Or worse, have you given up on closing them altogether? A new bi-fold agricultural shed door is much easier to operate, lower maintenance, and longer lasting. Add our Electric Auto-lock for the ultimate shop door convenience.

“The wind tore my sliders off of my 60×40 shop. Best thing that ever happened. I replaced them with a diamond door. Easy DIY install, with great support. Always opens and closes. Thanks DD!” – Dwight

High quality at a competitive price.

Our doors will arrive onsite fully assembled, completely pre-wired, and finish painted for easy installation. Our simple and quick quote builder will walk you through our various features and options: helping you build the door best suited for your project. Once you order our lead time is 6-8 weeks.
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