The roof underlayment from Qingdao Shuangshi New Material is a high-performance roofing solution designed to provide superior moisture protection beneath shingles, tiles, or metal roofs. As a leading provider of the best roofing underlayment, we offer durable, easy-to-install underlayments that enhance roof longevity and weather resistance. Perfect for residential, commercial, and industrial roofing projects, our underlayments ensure reliable performance and seamless integration with various roofing systems, which makes us the leading synthetic underlyament supplier of China.
Key Features of Roofing Underlayment
Our synthetic underlayment for roofing is engineered with advanced raw materials, offering exceptional strength and waterproofing capabilities. Qingdao Shuangshi’s commitment to quality positions us as a trusted source for the best roofing underlayment, meeting rigorous industry standards. Key features include:
Superior Waterproofing: Creates a robust moisture barrier, preventing leaks and water damage even in heavy rain or snow.
High Tear Resistance: Reinforced with synthetic fibers, our underlayment withstands foot traffic and installation stress without tearing.
UV and Weather Resistance: Maintains integrity during prolonged exposure to UV rays and temperatures from -30°C to 80°C, ensuring long-term durability.
Slip-Resistant Surface: Textured top layer enhances contractor safety during installation, especially on steep slopes.
Versatile Compatibility: Pairs seamlessly with asphalt shingles, metal roofing, and tile systems, complementing EPDM and TPO membranes.
Applications of Roofing Underlayment
Qingdao Shuangshi who works as the major synthetic underlayment supplier from China, making the best roofing underlayment for a range of applications:
Residential Roofing: Protects homes and apartment buildings from moisture infiltration under shingles or tiles.
Commercial Projects: Ensures reliable waterproofing for offices, retail centers, and warehouses.
Steep-Slope Roofs: Provides secure adhesion and slip resistance for challenging installations.
Roof Repairs: Enhances existing roofing systems by adding an extra layer of moisture protection.
Technical Specifications
Thickness: 30 mil or 40 mil (customizable)
Width: 3’ or 4’ for efficient coverage
Tensile Strength: ≥12 kN/m
Water Resistance: Passes ASTM D1970 standards
Roll Length: 50’ or 100’ (customizable)
Packaging: Rolls with protective film for easy handling
Why Choose Qingdao Shuangshi for Roofing Underlayment?
As a trusted provider of the best roofing underlayment, Qingdao Shuangshi New Material combines advanced manufacturing with a focus on performance and affordability. Based in Qingdao, China, our production facilities ensure every synthetic underlayment  meets ISO 9001 and CE standards. Our advantages include:
Cost Efficiency: Direct manufacturing reduces costs by 25-35% compared to local suppliers, delivering exceptional value.
Global Availability: Flexible trade terms (FOB, CIF, DDP) and worldwide shipping for seamless procurement.
Custom Options: Tailored thicknesses and roll sizes to meet specific project requirements.
Reliable Support: Free samples, technical guidance, and warranties (5-15 years) ensure customer satisfaction.