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Silo Maintenance Case Histories

New Roof Coating

Market: Manufacturing

Material Stored: Cement

Issue: Removal of existing roof and applying new roof coating

New Roof by USA SiloThe customer reported that the urethane foam roof coating on three silos (50' diameter by 110' tall) were leaking. The roof remediation, pictured below, was managed in two stages. At the bottom of the photo the roof is being prepared for a bonding rubber coating to seal the roof. Preparation of the roof prior to coating is critical to the longevity and effectiveness of the coating. Coating material must fully adhere to the concrete roof slab. At the top of the photo is the adjoining silo where the roof has been recoated. It is typical for the silo roof to have some material build-up around the exhaust or feeder systems.


USA Silo Cleaning - RoofThis photo is a different angle of the second silo showing the freshly coated roof slab. The rubber coating is properly bonded to the concrete and is effective in sealing cracks. Laps and fasteners can withstand normal expansion and contraction encountered at seams, joints and roof surface penetrations. Normal silo movement causes conventional rubber sealants to fail quickly. A rubber membrane should never be used as a silo roof coating system. Our proprietary bonded roof coating systems are cost efficient methods proven to stop a structurally sound silo roof from allowing water intrusion into a silo’s storage area, preserving the stored product for facility operations and maintaining facility efficiencies.



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