Composition shingles, while more common in residential settings, are sometimes used on commercial properties with pitched roofs or small-scale buildings. They offer a balance of affordability and durability and come in a variety of colors and designs to suit business aesthetics.

• Average cost per square foot installed: $4.50 – $9.00
• Estimated total cost (5,000 sq ft building): $22,500 – $45,000
• Best for: Small offices, multi-family units, or commercial properties with sloped roofs seeking a cost-effective, visually appealing option.

PVC (Polyvinyl Chloride) membrane is a leading choice for flat and low-slope commercial roofs. Its heat-welded seams provide enhanced leak protection, and the material is highly resistant to chemicals and standing water—ideal for restaurants and industrial facilities.

• Average cost per square foot installed: $7.00 – $14.00
• Estimated total cost (5,000 sq ft building): $35,000 – $70,000
• Best for: Businesses requiring robust waterproofing, energy efficiency, and durability—especially where flat roof surfaces dominate.

Torch Down roofing uses a modified bitumen system applied with heat for a watertight, long-lasting surface. It handles heavy rain and pooling water well, making it a reliable option for commercial properties that experience harsh weather conditions.

• Average cost per square foot installed: $6.00 – $12.00
• Estimated total cost (5,000 sq ft building): $30,000 – $60,000
• Best for: Commercial and industrial buildings with flat or nearly-flat roofs that need a durable, low-maintenance solution.