Commercial building owners in Chillicothe, MO who have chosen spray foam roofing know its value—long-lasting durability, energy efficiency, and a seamless waterproof barrier. However, like any roofing system, spray foam roofs need regular maintenance to continue performing at their best. One of the most important steps is re-coating. When done at the right time, re-coating can extend the life of your roof and help you avoid costly repairs.
If you own or manage a commercial property and your spray foam roof is starting to show signs of wear, it may be time to schedule a re-coating. For expert service and honest advice, contact Ace Roof Systems in Chillicothe, MO today at (660) 619-2885.
When to Re-Coat Your Spray Foam Roof in Chillicothe, MO
Spray foam roofing, also known as SPF (Spray Polyurethane Foam), is applied as a liquid that quickly expands into a solid, creating a seamless, insulating barrier across your roof. It’s lightweight, highly durable, and offers excellent leak protection—when properly maintained. However, the foam itself is not resistant to UV rays, which is why a protective coating is essential.
After installation, the foam is sealed with an elastomeric or silicone coating that shields it from ultraviolet exposure, moisture, and everyday wear and tear. Over time—usually between 10 to 15 years, depending on climate and the thickness of the original coating—this protective layer naturally begins to break down. If it’s not re-coated on schedule, the foam underneath can become exposed, leading to cracks, water damage, and ultimately, premature roof failure.
When Should You Re-Coat Your Spray Foam Roof?
Timing is everything when it comes to spray foam roof maintenance. Here are the key signs and benchmarks that indicate it’s time for a re-coating:
Scheduled Maintenance Intervals
Most SPF systems are installed with warranties that include re-coating recommendations at specific intervals—usually every 10–15 years. If you’re approaching that timeline, a roof inspection is essential.
Visible Wear or Thinning
If the coating looks worn, chalky, or faded, it may have lost much of its UV protection. In some cases, you may notice small areas where the foam is becoming visible—a sure sign that re-coating is overdue.
Ponding Water
SPF roofs are designed with slope and drainage in mind. If you start seeing standing water that doesn’t drain off after rain, it may be due to coating deterioration or insulation compression. This can degrade the coating further and should be addressed promptly.
Cracks, Blisters, or Soft Spots
A visual inspection or light walk-through can reveal issues like surface cracks, blistering, or soft spots that indicate coating damage or water intrusion into the foam. These problems should be repaired before re-coating to ensure the new layer adheres properly.
Re-Coating vs. Replacement: Save with Maintenance
One of the major advantages of spray foam roofing is that it’s renewable. Unlike other roofing systems that need full replacement once they deteriorate, an SPF roof can be maintained with re-coating, saving you tens of thousands in tear-off and disposal costs.
Here are just a few benefits of timely re-coating:
- Extended Lifespan: Each re-coat can add 10–20 more years to the life of your roof.
- Lower Maintenance Costs: A fresh coating seals up micro-cracks and reinforces waterproofing.
- Improved Energy Efficiency: Reflective coatings help reduce rooftop temperatures and lower HVAC load.
- Minimal Business Disruption: Re-coating is a fast, non-invasive process that won’t interrupt your operations.
What to Expect During the Re-Coating Process
A professional re-coating involves several detailed steps to ensure the new layer adheres and performs properly:
- Inspection & Cleaning: The roof is thoroughly inspected for foam exposure, damage, and dirt. Pressure washing removes debris and contaminants.
- Repairs: Any damaged foam is cut out and replaced. Cracks, blisters, or separations are repaired with new foam or sealant.
- Primer Application: Depending on the coating type, a primer may be applied to improve adhesion.
- New Coating Installation: The elastomeric or silicone coating is sprayed or rolled on in multiple passes to achieve the required thickness, usually 20–30 mils.
- Final Inspection: Once cured, the new coating is checked for coverage and any touch-up needs are addressed.
Spray Foam Roofing Experts
Neglecting to re-coat a spray foam roof can lead to costly repairs; or even total roof failure. For commercial building owners, proactive maintenance is essential to protecting your investment. If your SPF roof is showing signs of wear or approaching the 10-year mark, it’s time to take action.
Call Ace Roof Systems today at (660) 619-2885 to schedule a professional inspection in Chillicothe, MO, and explore your re-coating options.
FAQ
How often should I re-coat my spray foam roof?
Typically every 10–15 years, depending on the environment and the thickness of the original coating. Regular inspections help determine the exact timing.
Can I re-coat the roof myself?
While DIY kits exist, it’s strongly recommended to hire a professional. Surface preparation, proper material selection, and even coating application are critical for long-term performance.
What happens if I delay re-coating?
Delaying can expose the foam to UV rays, causing it to degrade, crack, or absorb water. This can lead to costly repairs or full roof replacement.
What type of coating is best?
Silicone coatings are popular for their durability and weather resistance, but elastomeric coatings are also effective. A roofing professional will recommend the best option based on your roof’s condition.
Is re-coating covered under warranty?
Many SPF systems include warranty terms that cover or require re-coating at certain intervals. Check your original warranty and consult your contractor.