Project Description


Cubic feet added

12 ft.

Clear height added


Area volume increase

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Project Details

Location: New Castle, Delaware
Roof Square Footage: 235,000
Clear Height Before: 20 feet
Clear Height After: 32 feet
Building Use Before: warehouse
Building Use After: warehouse
Owner: Harvey Hanna & Associates
General Contractor:

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Project Description

The Twin Spans Industrial Complex is comprised of multiple large warehouses, however, one of them had always proved to have higher vacancy. An older 235,000 sf building which had a 20′ clear roof remained vacant while all the other buildings in the complex at 32′ clear had tenants. It was obvious that clear height was the problem but after contacting Day Star Sills, a local Delaware contractor, and ROOFLIFTERS, the owners found a solution.
After prospective tenants came and went, ownership decide to offer the building at 32′ clear. Shortly thereafter, they had a long term tenant in place and modification of the building started.

The project team fast tracked the design and schedule by lifting the building in 4 phases. This allowed them to hand over Phase 1 to the tenant for racking installation and other tenant related work within a month of project commencement while work proceeded in the remaining sections. The team ensured that cost and time requirements were met and in the end current and future needs of the owner and the tenant were addressed.

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Additional Roof Lifting Projects


We at Polaris were very amazed at the efficiency and dedication exhibited by your employees. This dedication contributed greatly to a successful project completed ahead of schedule. Rooflifters personnel were always concerned not only for the safety of their own employees but also were very attentive to Polaris employees who were in the area while all the preparation for the lift was taking place.

Deland Broten, Polaris Industries
When we’re working with an incumbent building, height restrictions can sometimes prevent us from utilizing the full capabilities of our equipment. Finally there’s a way to avoid the capital costs of reconstruction or a new building.
Bill Torrens, RMT Robotics

I was speaking with a real estate agent who was bemoaning the fact that he couldn’t sell an industrial building because of its low ceiling, …and one thing led to another.

Daniel Siegel, Planit Construction

One of the reasons companies are moving is they’re looking for modern buildings elsewhere, with greater height underneath the joists. If we can persuade a company to raise the roof to allow for more warehousing space, so they don’t need to relocate outside Toronto, then we’ve saved jobs and taxes.

Ronald Rea, Toronto Economic Development

If we were to turn that whole building into rubble and start fresh, it would cost a whole lot more money than it’s costing to just raise the roof and fix it up. We’re just lifting the roof and adding steel.

John Lagorakis, John Vince Foods