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Airport authority asks county to approve cheaper TPO fix for aging hangar roof
Summary
Airport officials told commissioners the hangar next to the Marine Taxiway needs roof replacement; staff recommended a $125,000 TPO overlay (20-year warranty) as a cost-effective alternative to a $230k–$260k standing-seam replacement and said most drainage and gutter issues would be addressed in the proposal.
The airport authority urged the board to approve roof work on a 30-year-old hangar next to the Marine Taxiway, presenting four options that range from a $125,000 TPO overlay to a $260,000 standing-seam replacement with a longer warranty. The authority said the TPO option can be installed over the existing roof and includes new gutters and downspouts to stop water infiltration.
Commissioners questioned wind performance and long-term durability; one member who had inspected other public buildings observed TPO failures elsewhere but noted TPO’s value as a cost-effective renovation. The airport representative said the TPO proposed is a 60-mil membrane and that, with proper sealing, “you can put it on top of the existing roof,” and recommended staff circulate a summary email and cost breakdown before the board takes a vote.
