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ABOUT our patented vent system

Double T Construction LTD has developed and patented a revolutionary venting system for onion and potato storage sheds. Here are a few reason why this venting system can be a benefit to you:

Onion storage with ventillation system

INSTALLATION of our vent system

Double T Construction LTD installs several onion storage sheds each year. We have developed a workflow that enables us to produce these storage sheds to the highest construction standards and enable our patented system to perform to specifications.

We are located in Walla Walla, Washington, one of the our country's onion capitols. If you would like to get an estimate or learn more about our patented vent system, please contact us.

(509) 529-4898

Physical Address

1120 South Moore St
Walla Walla, WA 99362

Mailing Address

1644 Plaza Way #421
Walla Walla, WA 99362

Contractor's Licenses

OR State: 113389
ID State: RCE-39014

© 2023 Double T Construction LTD

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