When evaluating roofing options for aging commercial buildings, the question often comes down to cost. Silicone roof coatings and TPO systems both offer energy efficiency and protection, but they differ significantly in installation approach and long-term affordability. Here’s how silicone coatings stack up against new TPO installations from a cost perspective.
Lower Material and Labor Costs
Silicone roof coatings generally require fewer materials and less specialized labor than a full TPO installation. While TPO systems involve multiple layers—including insulation boards and mechanically fastened or adhered membranes—silicone is applied directly to a cleaned and prepared surface, lowering both material use and labor hours.
No Need for Full Roof Tear-Off
One of the biggest cost savings with silicone is that it can often be applied over an existing roof. By avoiding a complete tear-off, you eliminate demolition, disposal, and structural prep costs—expenses that are typically required when installing a brand-new TPO system.
Reduced Installation Time and Downtime
Because silicone is applied as a liquid and cures in place, the installation is faster and far less disruptive to business operations. TPO installations, by contrast, often require significant staging, equipment, and extended work time, which can add both labor costs and business downtime.
Minimal Equipment and Crew Requirements
Silicone coatings can be installed using small crews with basic spray or roller equipment. TPO installation demands welding tools, insulation placement, and skilled labor for seam sealing—resulting in a larger, more resource-intensive job site.
Long-Term Savings Through Energy Efficiency
Both silicone and TPO offer high reflectivity, but silicone maintains its reflective properties over time with less cleaning and degradation. This translates to ongoing energy savings by keeping rooftop temperatures lower and reducing HVAC loads, especially in high-sun climates.
Fewer Maintenance Expenses Over Time
Silicone coatings resist ponding water, UV damage, and thermal expansion—all of which contribute to fewer leaks and longer service intervals. While TPO roofs are durable, they require more frequent inspections and seam maintenance, especially in high-traffic or mechanically intensive areas.
Conclusion: For buildings with a serviceable existing roof, silicone coatings are often a more affordable and faster solution than installing a new TPO system. However, for new construction or roofs with structural damage, TPO may be the better long-term investment. The best choice depends on the condition of your current roof and your budget priorities.
Ridgeline Roofing and Solar offers both silicone roof restoration and new TPO installation services to commercial clients in Joplin, MO, Bentonville, AR, and Grove, OK. Contact us today for a FREE quote and let us help you find the most cost-effective option for your roof.