1. Industry observations indicate that the application of synthetic resin roofing tiles has accelerated significantly in the past two years in residential self-built houses, municipal "flat-to-slope" roof renovations, industrial plants, livestock sheds, and cultural tourism and antique-style buildings. The market has shifted from "good enough" to "weather resistance first," with purchasers paying significantly more attention to stringent requirements such as implementation standards, ASA surface layer thickness, overall thickness, and fire resistance rating-signifying that the industry is transitioning from price competition to quality competition.
2. Core Technology: ASA/PVC Co-extrusion, Three Layers in One Tile, Each with a Dedicated Role. The performance key of resin roofing tiles lies in the "co-extrusion" process: ASA weather-resistant engineering resin (acrylonitrile-styrene-acrylate terpolymer) is extruded and laminated with a PVC substrate at high temperature in a single process. The surface layer and substrate form a molecular-level bond, rather than a simple coating, thus eliminating delamination and peeling issues.
Layers, Materials, Functions
Surface Layer: ASA Weather-Resistant Resin (High-Standard Products ≥0.2mm) UV Resistant, Acid and Alkali Resistant, Guaranteed 10 Years of Outdoor Colorfastness
Base Material: PVC (Polyvinyl Chloride) Load-bearing, Impact Resistant, Self-Waterproof, Recyclable
Overall: 2.5mm / 3.0mm Co-Extruded Board Lightweight and High-Strength, Heat and Sound Insulation
3. Core Parameters: A Table to Understand the Difference Between "High-Standard" and "Ordinary"
Indicators: High-Standard ASA Co-Extruded Resin Tile Description
Standard: GB/T 38360-2019 National Standard, Full Item Testing
ASA Surface Layer Thickness: ≥0.2mm Key to Weather Resistance Lifespan
Common Specifications: 880 / 960 / 1050mm Width, Rich Wavelength and Board Types
Unit Weight: Approximately 5.0kg/㎡ (3.0mm) Approximately 1/6 of Traditional Sintered Tiles, Reducing Roof Load
Color Retention: 10 Years Outdoor Color Difference ΔE≤5 Colors like Chinese Red and Ocean Blue remain as good as new.
Fire resistance rating reaches B1 (flame-retardant). Specific rating is subject to type test report.
Lifespan 25-35 years. Virtually maintenance-free during the warranty period.
4. **Scenario Adaptability:** From factories to cultural tourism, one tile is universally applicable.
Industrial plants/warehouses: Resistant to acid and alkali corrosion, strong wind uplift resistance, an alternative to corrugated steel roofing.
Animal husbandry sheds/agricultural facilities: Heat insulation, anti-condensation, improves the indoor environment.
Residential self-built houses/flat-to-slope roof conversions: Lightweight, does not increase load-bearing capacity, fast construction, low noise.
Cultural tourism/antique architecture: Antique wave design, combining durability and Eastern aesthetics.