Qingdao Shuangshi New Material presents its high-performance 45 mil TPO roofing membrane, engineered to deliver the ideal balance of cost-efficiency and robust performance for a wide range of commercial and industrial applications. As a versatile and reliable single-ply solution, our 45 mil TPO is designed to meet the demands of standard low-slope roofing projects without compromising on quality.
This membrane is available in three configurations to suit specific project needs:
Non-Reinforced: The standard, cost-effective choice for most commercial roofs, offering excellent flexibility and seam strength.
Reinforced: Features a polyester scrim for enhanced dimensional stability and tear resistance, suitable for roofs requiring extra toughness.
Fully Adhered: Provides ultimate wind uplift resistance through full-surface adhesion, ideal for high-wind regions or complex roof geometries.

The 45 mil TPO roofing membrane stands as the industry-standard thickness for a reason. It provides a perfect synergy of durability and affordability.  the 45 mil TPO roofing sheet delivers exceptional value for projects where superior performance is needed, but extreme physical abuse is not anticipated. It meets or exceeds ASTM D6878 standards, ensuring long-term reliability, weather resistance, and energy-saving reflectivity.
Key Advantages of Our 45 mil TPO:
Proven Durability: Resists UV radiation, ozone, chemical exposure, and punctures.
Energy Efficiency: White reflective surface reduces cooling costs and Urban Heat Island effect.
Cost-Effective: Offers an excellent return on investment for standard commercial applications.
Easy Installation: Lightweight and flexible, facilitating faster installation with heat-welded seams.
Typical Applications:
Retail stores, shopping malls, and warehouses.
Office buildings, schools, and healthcare facilities.
Roofs with minimal foot traffic and in regions with standard weather patterns.
Technical Specifications:
Thickness: 45 mil (1.14 mm)
Tensile Strength: ≥ 220 Lbf
Tear Strength: ≥ 55 Lbf
Elongation at Break: ≥ 15%
Low-Temperature Brittleness: Pass at -40°C (-40°F)
Why Partner with Qingdao Shuangshi?
We are more than just a manufacturer; we are your roofing solution partner. Our direct-to-customer model allows us to offer premium 45 mil TPO at highly competitive prices, starting as low as $2.00 /㎡ ( $0.20 per sq. ft). Coupled with our comprehensive support—including free samples, flexible global shipping terms (FOB, CIF, DDP), and reliable warranties—Qingdao Shuangshi is the smart choice for your TPO roofing needs.