How Long Does Spray Foam Roofing Last?

Spray foam roofing is a liquid that transforms into a foam layer when applied, creating a strong, insulating cover for roofs. This roofing solution is made from Spray Polyurethane Foam (SPF), which is a blend of two chemicals: isocyanate (A) and polyol (B). Once mixed and heated, this combination is sprayed directly onto a roof, forming a seamless barrier. Spray foam roofing is popular because it enhances energy efficiency and improves indoor comfort. Have a look at Wortham Brothers Roofing

Longevity of Spray Foam Roofing

Spray foam roofing is highly durable and can last between 30 to 50 years with proper care. To achieve this lifespan, regular maintenance and recoating are crucial. The roof’s longevity is also affected by environmental factors such as weather conditions. Routine inspections, ideally twice a year, help identify issues early and keep the roof in good condition.

Factors That Affect the Cost of Spray Foam Roofing

On average, spray foam roofing costs around $8 per square foot, covering both materials and labor.

– Roof Size: Larger roofs require more materials, increasing costs.

– Number of Penetrations: More roof features like vents or chimneys make installation more complex.

– Wet Insulation Percentage: Removing and replacing wet insulation adds to the cost.

– Contractor Experience: Skilled contractors may charge more but deliver better results.

– R-value Requirements: The R-value, which measures insulation, can impact the thickness and price.

– Preparation Work: More prep work often leads to higher costs.

– Roof Access: Difficult-to-reach areas may increase labor expenses.

Recommended Thickness and Warranty

The insulation power of spray foam roofing depends on its R-value, which measures resistance to heat flow. A higher R-value translates to better insulation, reducing energy bills. Most professionals recommend a 10-year warranty, with 20 mils (thousandths of an inch) of coating applied initially. Over time, wear and tear might reduce this thickness to about 7-8 mils. Regular inspections can help maintain optimal performance.

Sustainability of Spray Foam Roofing

Spray foam roofing is considered sustainable due to its durability and energy-saving properties. The foam’s high R-value and the reflective coatings used help reduce heating and cooling costs. Additionally, since the foam is applied above the roof deck, it minimizes thermal bridging, further enhancing energy efficiency. With proper maintenance, you may not need to replace your spray foam roof for 30 years or more.

How to Maintain Spray Foam Roofing

1. Routine Inspections Schedule a professional roof inspection at least once a year to catch potential problems early.
2. Inspect for Damage: Regularly check for cracks, holes, or splits in the foam. Also, inspect flashings, drains, and roof edges for wear.
3. Keep the Roof Clean: Remove debris like branches, leaves, and dirt to prevent buildup. After storms, clean the roof and check for damage.
4. Check Roof Texture: The foam’s texture should resemble orange peel. If it looks like scrambled eggs or popcorn, immediate repairs may be needed.