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太陽能屋頂上的工程師

Capa base del techo y envoltura de la casa

Suministramos una base sintética para techos de alto rendimiento que protege las cubiertas de los techos de la humedad y ofrece máxima tracción a los equipos de techado. Somos uno de los mejores proveedores de base sintética para techos de China. Mientras tanto, también podemos proporcionar envoltura sintética para casas a nuestros contratistas.

 

Nuestra fábrica de materiales sintéticos es fabricante de equipos originales de algunas de las marcas más famosas de revestimientos para techos y revestimientos para casas de Norteamérica, por lo que la calidad está garantizada. Cuando compre con nosotros, comprenderá que el precio competitivo y bajo no significa que la calidad sea inferior, ¡porque no tenemos intermediarios!

多彩屋面瓦

Nuestros servicios

Precio competitivo, casi 50% de descuento en comparación con la compra en esas distribuciones de terceros.
shuangshi synthetic roof underlayment.jpg
Nuestra mayor ventaja: el revestimiento posterior más antideslizante, de altísimo rendimiento y que proporciona la mejor protección para sus empleados.
Podemos ajustar las especificaciones de 20 libras a 50 libras según los requisitos del cliente, además, brindamos servicio de impresión de logotipos de clientes en sintéticos. Qué publicidad tan impresionante, cuando otros ven los logotipos de su empresa en el techo.
cheapest roof underlayment.jpg
Nuestra mayor ventaja: el revestimiento posterior más antideslizante, de altísimo rendimiento y que proporciona la mejor protección para sus empleados.
synthetic underlayment 3.jpg
synthetic underlayment3.png

Características de la base sintética:

  • La especificación general es de 10 cuadrados y 24 libras por rollo .

  • Cumple o supera los criterios de rendimiento para ASTM D226 Tipos I y II

  • Cumple o supera los criterios de rendimiento para ASTM D4869 Tipos I, II, III y IV

  • Clasificación al fuego: Clase A ASTM E108

  • Resistencia al desgarro extremadamente alta

  • Impermeable al crecimiento de moho

  • Capa secundaria de protección contra la intemperie

  • Protección UV durante 90 días

 

Descargar: Folleto de productos Shuangshi

1. Proceso de fabricación de base sintética de Shuangshi

Synthetic roof underlayment is an advanced alternative to traditional asphalt-saturated felt, offering superior durability, waterproofing, and ease of installation. Typically constructed in two to four layers, it combines woven or non-woven fabrics with polymer coatings, UV stabilizers, and slip-resistant additives to meet stringent performance standards.  1. Multi-Layer Structure and Material Composition Synthetic underlayment is typically composed of two to four primary layers: Base Layer (Carrier Material): Woven or Non-Woven Fabric: Polypropylene (PP) or polyester (PET) is commonly used due to its high tensile strength and tear resistance. Woven fabrics provide enhanced dimensional stability. Non-woven fabrics (spunbond or needle-punched) offer better flexibility and puncture resistance. Waterproofing Layer (Lamination/Coating): A polyethylene (PE) or polypropylene film is extruded onto the base material via cast coating or lamination, ensuring complete waterproofing. Additives for Performance Enhancement: UV Stabilizers – Protect against degradation from prolonged sun exposure. Slip-Resistant Agents – Silica particles or textured coatings improve traction during installation. Flame Retardants – Enhance fire resistance to meet building codes. 2. Surface Treatment: Embossing for Anti-Slip Properties To ensure workers' safety and prevent slippage during roof installation, synthetic underlayment undergoes embossing (texturizing): A patterned roller presses the surface, creating a raised texture, This increases friction without compromising waterproofing. 3. Importance of Grammage (Weight per Unit Area), always short for gsm. The physical performance of synthetic underlayment is directly influenced by its grammage (g/m²). Higher-weight products exhibit: Greater Tensile Strength – Resists stretching under tension. Higher Tear Resistance – Prevents damage from foot traffic or wind uplift. Improved Waterproofing – Thicker coatings enhance moisture barrier properties. As a result, higher grammage underlayments are more expensive but offer superior durability and longevity, making them ideal for extreme weather conditions.

1. Proceso de fabricación de base sintética de Shuangshi

Synthetic roof underlayment has become a popular alternative to traditional felt paper due to its superior durability, water resistance, and ease of installation. In North America, compliance with industry standards such as ICC-ES AC188, ASTM D8257/D8257M, and the Florida Building Code (FBC) is essential for ensuring product performance and safety. Additionally, third-party certifications like Intertek provide further validation of quality and reliability. This article explores the key testing methods, standards, and certification processes governing synthetic roof underlayment in the North American market. 1. ICC-ES AC188: Acceptance Criteria for Synthetic Roof Underlayments The ICC Evaluation Service (ICC-ES) AC188 standard establishes the performance requirements for synthetic roof underlayments, ensuring they meet structural and weather-resistance benchmarks. Key Testing Requirements: Tensile Strength – Measures resistance to tearing under stress (ASTM D5034). Puncture Resistance – Evaluates durability against sharp objects (ASTM D781). Water Resistance – Assesses waterproofing capabilities (ASTM D779). UV Resistance – Determines degradation under prolonged sun exposure (ASTM G154). Dimensional Stability – Checks for shrinkage or expansion under temperature changes (ASTM D1204). Manufacturers must submit test reports to ICC-ES for evaluation before receiving an Evaluation Service Report (ESR), which confirms compliance with building codes such as the International Building Code (IBC) and International Residential Code (IRC). 2. ASTM D8257/D8257M: Standard Specification for Synthetic Roof Underlayment ASTM D8257/D8257M provides a comprehensive framework for evaluating synthetic underlayment performance. Critical Test Methods: Tear Strength (ASTM D226) – Ensures resistance to mechanical damage. Water Absorption (ASTM D471) – Measures moisture retention. Low-Temperature Flexibility (ASTM D2136) – Confirms performance in cold climates. Fire Resistance (ASTM E108) – Evaluates flame spread and burning characteristics. This standard is widely referenced in building codes and ensures underlayments can withstand harsh weather conditions while maintaining structural integrity1. 3. Florida Building Code (FBC) Requirements Florida’s stringent building codes mandate additional testing due to extreme weather conditions (hurricanes, high humidity, and UV exposure). FBC-Specific Tests: High Wind Uplift Resistance (TAS-117) – Ensures underlayment stays secured in hurricane-force winds. Impact Resistance (TAS-102) – Tests resistance to hail and debris. Mold & Mildew Resistance (ASTM G21) – Prevents organic growth in humid climates. Products must pass these tests to receive Florida Product Approval (FPA), a requirement for roofing materials in the state1. 4. Intertek Certification for Synthetic Underlayment Intertek provides independent testing and certification, including: ETL Listed Mark – Confirms compliance with safety and performance standards. Code Compliance Evaluation Reports (CCERs) – Aligns with ICC-ES AC188 and ASTM D8257. Hurricane & Windstorm Certification – Validates resistance to extreme weather. Intertek’s testing ensures synthetic underlayments meet IBC, IRC, and regional building codes, enhancing market credibility

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