Commercial Roofers Henderson

Commercial Roofing FAQs

How long does a commercial roof last?

The lifespan of a commercial roof depends on the type of roofing system, quality of materials and installation, maintenance, and environmental factors. Generally:

• Built-Up Roofing (BUR): 15-20 years
• Modified Bitumen Roofing: 15-25 years
• Single-Ply Membrane Roofing: 20-35 years
• Metal Roofing: 40-70 years
• Spray Polyurethane Foam (SPF) Roofing: 15-30 years
• Green Roofing: 20-50 years or more with proper maintenance

Regular inspections and timely repairs can significantly extend the lifespan of any commercial roof.

What is a roof maintenance plan, and why is it important?

A roof maintenance plan is a schedule of regular inspections, preventative maintenance, and minor repairs designed to extend the lifespan of your commercial roof and prevent costly problems. Regular roof inspections are a key part of this plan. They help identify issues like:

• Minor Leaks
• Loose or Damaged Flashing
• Clogged Drains
• Debris Buildup
• Signs of Wear and Tear

Addressing these issues promptly can prevent them from escalating into major problems requiring extensive repairs or even a premature roof replacement.

What are the different types of commercial roofing systems?

There are several types of commercial roofing systems commonly used, each with its own advantages and disadvantages:

• Built-Up Roofing (BUR): A traditional, multi-layered system consisting of alternating layers of asphalt and reinforcing fabric. It's known for its durability, waterproofing capabilities, and affordability.
• Modified Bitumen Roofing: A single-ply system that uses asphalt-based sheets modified with polymers for enhanced flexibility, durability, and weather resistance. It's a versatile and cost-effective option for various commercial buildings.
• Single-Ply Membrane Roofing: A modern system using a single layer of waterproof membrane, typically made from EPDM (ethylene propylene diene monomer) rubber, TPO (thermoplastic polyolefin), or PVC (polyvinyl chloride). These membranes offer excellent waterproofing, energy efficiency, and ease of installation.
• Metal Roofing: Known for its longevity, durability, and fire resistance, metal roofing is a popular choice for commercial buildings. Available in various styles, including standing seam, corrugated, and metal shingles.
• Spray Polyurethane Foam (SPF) Roofing: A spray-applied roofing system that forms a seamless, monolithic membrane, providing exceptional insulation, waterproofing, and energy efficiency.
• Green Roofing: A system that involves covering the roof with vegetation, soil, and drainage layers. Offers environmental benefits, including reduced stormwater runoff, improved air quality, and energy efficiency.

Choosing the best roofing system depends on various factors, including your budget, building structure, climate, and specific needs. A qualified commercial roofing contractor can assess your roof and recommend the most suitable option.

What are the signs that my commercial roof needs to be replaced?

Consider replacement if you see:

• Persistent Leaks: Multiple or recurring leaks despite repairs.
• Extensive Damage: Large areas of damaged or deteriorated roofing, beyond cost-effective repair.
• Ponding Water: Persistent standing water after rainfall.
• Sagging or Structural Issues: Sagging, deflection, or signs of structural damage.
• Age and Deterioration: If your roof is nearing the end of its lifespan and showing signs of widespread wear and tear.

A professional roof inspection can definitively tell you if you need a replacement.