Spray Foam Roof vs Hail

Spray Foam Roof vs Hail

Will a spray foam roof hold up to hail? Yes, a spray foam roof can handle hail, often better than many other roof types. While no roof is truly hail-proof, a properly installed spray foam system with its protective coating is designed to resist impacts and prevent leaks even if the surface is damaged.

What You See

After a hailstorm, you might see small dents, divots, or even cracks in the surface of your spray foam roof. These can look like pockmarks or shallow craters, especially if the hailstones were large or hit with significant force. Sometimes, the protective coating might be chipped or scuffed, revealing the foam underneath.

Why It Happens and What It Costs if Ignored

Hail is essentially ice falling from the sky, and it can be hard and fast. When hailstones hit any roof, they transfer energy, which can cause damage. On a spray foam roof, this damage usually appears as indentations or superficial cracks in the top layer. The good news about spray foam is its "closed-cell" structure. This means the foam itself is made of tiny, sealed air pockets. If hail punches through the top coating and even into the foam, water generally won't spread sideways within the foam layer. However, if these deeper impacts expose the foam to UV light for too long, the foam can start to break down. More importantly, if a hailstone is large and strong enough to punch all the way through the foam layer and damage the roof deck underneath, that's when you'll have a serious leak. Ignoring even small surface damage can lead to bigger problems over time as weather and UV exposure continue to degrade the affected spots. This can eventually lead to water intrusion, rot in the roof deck, and mold, which are expensive repairs.

How We Restore Your Roof

When we install a spray foam roofing system, it typically consists of a layer of foam (usually 1 to 1.5 inches thick) topped with a protective, reflective coating. This coating is crucial because foam alone doesn't stand up well to UV rays. We use Conklin acrylic coatings for this, which are known for their durability and strength. If your spray foam roof has hail damage, the repair process is usually straightforward: 1. **Inspect:** First, a Conklin-trained contractor will inspect the roof thoroughly to assess the extent of the damage. We'll look for dents, cracks, and any areas where the foam might be exposed or compromised. 2. **Clean:** The damaged areas and the surrounding roof are cleaned to remove dirt, debris, and any loose material. This ensures proper adhesion for repairs. 3. **Seal:** For deeper dents or small punctures, we apply a specialized sealant directly into the damaged areas. This fills and waterproofs the specific impact sites. 4. **Recoat:** Once the individual damage spots are sealed, we often apply a new layer of our durable acrylic coating over the entire roof surface, or at least the damaged sections. This restores the roof's protective layer, reinforces any repairs, and brings back its reflective properties. This process is similar to a commercial roof restoration. The closed-cell nature of the foam means that even if hail makes a 1/2-inch deep dent in a 1.5-inch thick foam roof, it's unlikely to leak immediately because the hail didn't go all the way through. This is a major advantage over other roof types where a puncture often means an instant leak. However, regular inspections after significant storms are always a good idea to catch and fix damage early. We don't guarantee that hail will never damage your roof—no one can. But a spray foam system offers excellent resistance and, when damage does occur, it's typically easier and less costly to repair than other roofing materials.

Frequently Asked Questions

What makes a spray foam roof good against hail?

The closed-cell structure of spray foam means that if hail creates a dent or even a puncture, water won't spread underneath the surface. The foam itself provides a thick, resilient layer that absorbs impacts, and the durable acrylic coating on top adds another layer of protection.

Can any type of hail damage a spray foam roof?

While spray foam roofs are tough, extremely large or high-velocity hailstones can cause significant damage. No roof system is completely immune to severe weather events. However, the repair process for spray foam is often more straightforward compared to other roofing materials.

How often should I have my spray foam roof inspected after hail?

It's a good practice to have your roof inspected by a Conklin-trained contractor after any major hailstorm or severe weather event. Catching and repairing damage early helps maintain your roof's waterproofing and extends its lifespan.

If you're dealing with hail damage or considering a durable roofing solution for your commercial building, we can help. Our network of Conklin-trained contractors specializes in restoring and protecting roofs across the country. Call us at (309) 303-3128 or visit our contact page to schedule a no-obligation roof inspection. We'll assess your roof's condition and recommend the best, most cost-effective solution for your building.