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Project #1809 - Shelby Cold Storage TPO Single-Ply & Silicone Restoration

The Challenge

Cold storage doesn’t stop. Neither does an assembly line. Shelby Cold Storage needed a roofing solution across multiple building sections, covering office, production, and refrigerated storage, without shutting down a single day of operation, and without a single fastener penetrating the deck over production areas.

That last constraint drove the entire design. In a food-handling and cold storage environment, a mechanically fastened roof means thousands of screws driven through the deck. Every one of those is a potential leak path, a thermal bridge, and, during installation, a source of debris and metal shavings dropping into the space below. Over an active assembly line, that’s a non-starter. Over a refrigerated envelope, it’s worse: penetrations compromise the vapor barrier, and once moisture gets into a cold storage assembly it doesn’t dry out. It condenses, freezes, and stays.

So the question wasn’t “which system is best.” It was “which system is right for this section of this building, given what’s happening underneath it.”

Shelby Cold Storage TPO Single-Ply & Silicone Restoration before
Shelby Cold Storage TPO-Single Ply Silicone Restoration after

The Systems

The final product came together as a hybrid, matched section by section to what each area actually needed.

Office Sections: Full Tear-Off and Rebuild

We removed the existing assembly down to the deck and rebuilt from scratch. New insulation brought these areas up to current code at R-30, a significant upgrade over what was there. Tear-off is disruptive by nature, but the office areas could absorb it, and doing it right meant Shelby gets an assembly that meets today’s energy standards instead of a patch over yesterday’s. New single-ply TPO membrane on top completed the section.

Assembly Line: Adhesive-Set Overlay

No tear-off. No screws. We overlaid the existing roof and set the new insulation in OlyBond adhesive, then fully adhered the TPO membrane above it. Adhesive-only construction meant zero deck penetrations, zero debris falling into the production space, and zero interruption to the line below. The crew worked overhead while product kept moving underneath, which is exactly the outcome the customer needed.

A fully adhered system carries a secondary benefit worth naming: uplift performance. Without fastener rows creating stress concentrations, wind load distributes evenly across the entire adhered field. In the Panhandle, that’s not a footnote.

Cold Storage: Silicone Recoat

Over the refrigerated envelope, the customer chose to re-waterproof with a silicone coating. Same reasoning, applied to a different problem: nothing goes through that deck. Silicone restores the roof in place, with no tear-off, no penetrations, and no disruption to the vapor-critical assembly underneath. It seals seams, flashings, and existing membrane into one monolithic surface, and it holds up to ponding water better than most coating chemistries, which matters on a low-slope roof in a climate that delivers rain in bursts rather than drizzle.

It also keeps the roof white. On a refrigerated building, reflectivity isn’t cosmetic. It’s a direct line item on the electric bill.

Warranties

SYSTEM COVERAGE TERM
TPO Single-Ply Manufacturer Warranty 20 Years
Silicone Coating Manufacturer Warranty 10 Years


Both are manufacturer-backed, which means the systems were installed to spec, inspected, and documented. That warranty paperwork is the customer’s proof that the work was done to the standard the manufacturer requires, not just the standard the contractor claims.

Why Core Commercial Roofing

Shelby needed a contractor who could read the building rather than sell one system across every square foot of it. Three sections, three different sets of constraints, three different answers, and the discipline to hold to the no-penetration requirement even where a fastened system would have been faster and cheaper to install.

We planned the work around their production schedule instead of asking them to plan around ours. Staging, material delivery, and crew sequencing all worked backward from one rule: the plant keeps running. It did.

The Location

Amarillo sits at the top of the Texas Panhandle, where wind uplift and hail are the design drivers, not afterthoughts. Both systems were specified with that in mind. It’s a market Core Commercial Roofing works regularly out of Lubbock, close enough for responsive service, far enough that plenty of contractors won’t make the trip. We do.

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