A Guide to the Seven Types of Commercial Roofs

The roof is a critical component of any commercial building, providing protection, regulating temperatures, and maintaining structural integrity. At Fasto Roofing, located in Mason, OH, we offer insights into the different types of commercial roofs to help you make an informed decision.

Flat vs. Sloped Roofs

Flat Roofs

• Advantages: Practical for housing HVAC systems, generally less expensive to install.

• Challenges: Drainage issues can lead to leaks and structural problems.

• Common Materials: Built-up roofing (BUR), modified bitumen, EPDM, TPO.

Sloped Roofs

• Advantages: Better drainage, more durable, aesthetically pleasing.

• Challenges: Higher initial installation cost, but less maintenance over time.

• Common Materials: Asphalt shingles, metal, tile, wood shakes.

Signs You May Need to Replace Your Commercial Roof

• Age: Most commercial roofs last 20-30 years.

• Leaks: Persistent leaks indicate compromised membranes.

• Visible Damage: Cracks, blisters, or punctures.

• Water Ponding: Consistent pooling of water weakens the structure.

• Energy Efficiency Decline: Increased energy costs due to poor insulation.

• Interior Damage: Water stains, mold growth, or deteriorating ceiling tiles.

• Frequent Repairs: Regular patches and repairs suggest it’s time for a replacement.

Seven Types of Commercial Roofs

1. Built-Up Roofing (BUR)

• Pros: Durable, UV-resistant, fire-resistant.

• Cons: Heavy, labor-intensive installation, requires maintenance.

2. Modified Bitumen Roofing

• Pros: Flexible, hail and fire-resistant, easy to repair.

• Cons: Shorter lifespan, vulnerable to punctures.

3. EPDM Roofing (Rubber Roof)

• Pros: Durable, UV-resistant, lightweight, low maintenance.

• Cons: Prone to punctures, may degrade from certain chemicals.

4. TPO Roofing (Thermoplastic Olefin)

• Pros: Energy-efficient, UV and chemical-resistant, lightweight.

• Cons: Potentially less durable, vulnerable to punctures.

5. Metal Roofing

• Pros: Long lifespan (50+ years), fire and wind-resistant, energy-efficient.

• Cons: High initial cost, expansion and contraction may cause noise, requires proper insulation.

6. Asphalt Shingles

• Pros: Cost-effective, easy to repair, available in various styles.

• Cons: Limited lifespan (15-30 years), vulnerable to wind and hail damage, requires frequent maintenance.

7. Tile Roofing

• Pros: Elegant appearance, durable (50+ years), fire, rot, and insect-resistant.

• Cons: Heavy, expensive to install, challenging to repair broken tiles.

Cost of Installing Commercial Roofing Systems

Cost Estimates

• Built-Up Roofing (BUR): $5 to $10 per square foot.

• Modified Bitumen Roofing: $3 to $8 per square foot.

• EPDM Roofing: $4 to $8 per square foot.

• TPO Roofing: $4 to $8 per square foot.

• Metal Roofing: $8 to $15 per square foot.

• Asphalt Shingles: $2 to $6 per square foot.

• Tile Roofing: $10 to $20+ per square foot.

For more detailed insights on TPO Roofing, click here. 

Conclusion

Selecting the right commercial roof type is crucial for the longevity, energy efficiency, and maintenance costs of your property. Understanding the differences between flat and sloped roofs, recognizing signs that indicate the need for replacement, and evaluating the pros and cons of various materials will help you make an informed decision. Contact Fasto Roofing for expert advice and professional roofing services.