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Roof Coatings

Roof Coatings

  • Asphalt-based urethane elastomer coating system with aggregate to waterproof and seal silo bin roofs
  • Water-based elastomeric
  • Epoxy/Urethane coating system with aggregate
  • Seam Sealer and Alumination 301

Concrete Silo Waterproofing and Sealing

TMI Coating’s, Inc. (TMI) silo roof coating is tough and durable. The coating can be applied to metal and concrete to provide long-term waterproof protection for years due to it being a chemically cured product. It is made to withstand ponding water unlike water-based products. With a high elongation factor, this protective coating expands and contracts, therefore will not crack, chip or peel due to changing temperatures. The coating system can be applied below freezing allowing year-round installation.

Silo Waterproofing and Sealing Process

To properly assess the needs of your silo roof, TMI will review your current roofing system.  All failed or delaminated roofing will be removed; well-adhered to remain.

  • Surface preparation includes high-pressure washing to remove dirt, dust, and other containments as well as any loose or delaminated existing coating. TMI will mechanically abrade the entire surface to ensure adhesion of the new coating system.
  • Any areas where the concrete is eroded, TMI to remove to sound substrate then use an epoxy or cementitious mortar to restore to the surrounding plane.
  • One coat of epoxy or bonding primer will be applied to all bare concrete or steel.
  • Seal around all penetrations, gaps, and small voids using scrim cloth or mat reinforcement embedded into the liquid-applied coating for a thorough, watertight seal.
  • Two full coats of protective coating are applied in a heavy-duty, thick-film manner. Aggregate is incorporated for slip resistance for safety.

TMI’s silo roof coating system provides a seamless, monolithic waterproof membrane over your silo roof that will be the long-term solution to your water intrusion problems.

Case Studies

University Hospital Rooftop Helipad Restoration

The University of Colorado Hospital commissioned TMI Coatings, Inc. (TMI) to recoat and reinstall the design pattern and lettering on their rooftop helipad. The original coatings were worn, creating a safety hazard for staff and the aircraft personnel. Due to the FAA’s strict guidelines, TMI worked closely with the hospital to ensure all safety standards…

Refurbishing Silos in North Dakota

An agriculture & energy company contacted TMI Coatings, Inc. (TMI) about refurbishing silos. The silos needed concrete repairs and waterproofing as they were experiencing spalling, with large areas that needed significant restoration. TMI chose a urethane elastomer product because it is waterproof and prevents further erosion of the concrete infrastructure. The urethane elastomer will protect…

Waterproofing Steel Grain Bin Roofs

An agricultural company hired TMI Coatings, Inc. (TMI) to repair and waterproof two steel grain bin roofs. These structures are prone to weather damage, and over time, will begin to leak and corrode. When corrosion sets in, the product inside the bins are potentially in danger. It is important to ensure these bins are sealed…

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