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90°Eave-Seal-Drainage-Strip Suitable For Factory Roofs

Efficient 90° Eave Seal Drainage Strip for Industrial Roofing Engineered specifically for heavy-duty industrial environments, our 90° Eave Seal Drainage Strip provides a dual-action solution for factory roofs. It features a precision-angled design that creates a seamless, airtight seal at the eaves, preventing wind-driven rain, debris, and pests from entering the structure. Built from high-durability, corrosion-resistant materials, this strip optimizes roof drainage and structural protection. Its easy-to-install profile ensures long-term performance in harsh industrial climates, making it an essential component for maintaining a leak-proof and energy-efficient facility.
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Product Advantages


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Application


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1. Agricultural greenhouse lighting system

Using translucent roof panels (such as ROYAL 1050), by adjusting the transmittance of 40-80% to optimize the plant growth spectrum, and simultaneously blocking UV-B band radiation, its diffuse reflection characteristics avoid local overheating, achieve a balance between natural light effect and light protection, and improve the yield and quality of greenhouse crops.




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2. Corrosion-resistant roof of chemical plant

Synthetic resin roof panels use a perfluoropolymer surface to build a chemical barrier, tolerate pH1-12 acid-base environment, and cooperate with hollow structures. The thermal resistance R value reaches 1.2m²·K/W, and maintains dimensional stability under a temperature difference of -40℃ to 120℃, becoming the preferred solution for maintenance-free roofs in chemical areas.



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3. Light rail platform awnings

UPVC small trapezoidal panels increase the bending modulus by 25% through the trapezoidal wave peak design, and achieve 12-meter column-free span installation. Its self-cleaning nano-coating is combined with a 15° slope drainage system to ensure zero water accumulation on the platform during heavy rain, and the B1-level flame retardant performance meets the rail transit fire protection standards.



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4. Cold chain storage insulation roof

The hollow roof board adopts five-layer co-extrusion technology to form a 2cm thick honeycomb closed-cell structure with a thermal conductivity as low as 0.032W/m·K, which is 40% energy-saving compared with traditional color steel tiles. It is combined with an aluminum foil reflective layer to block 95% of infrared radiation and reduce the compressor operation time by 30% when maintaining a warehouse temperature of -25℃.



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5. Villa light guide lighting system

The combined roof adopts a prismatic translucent board + a 3mm thick UPVC impact-resistant layer, which transmits sunlight to the underground space through a fully reflective light guide tube. The illumination value reaches 800lux, and the electric blinds are used to adjust the amount of light entering, achieving a 65% reduction in lighting energy consumption throughout the year.



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6. Offshore aquaculture awning

The ASAPVC sheet has no aging after 3000 hours of salt spray test. Its gradient color change technology automatically adjusts the light transmittance (50-20% changes with the intensity of sunlight), providing a bionic light environment for marine cultivation, and with the design of 12-level typhoon-resistant reinforcement ribs, it ensures the stable operation of the marine ranch.




FAQ


Q: What is the primary function of the 90° Eave Seal Drainage Strip on a factory roof?

A: Its primary role is to bridge the gap between the roof sheets and the eave structure. It acts as both a sealant to block drafts, rain, and birds, and a drainage guide that directs water efficiently into the gutter system, preventing backflow and moisture accumulation under the roofing material.


Q: Is this drainage strip compatible with all types of corrugated roofing?
A: Our strip is specifically designed for 90-degree edge transitions. While it is highly optimized for synthetic resin and PVC corrugated sheets, we offer various profiles to match different wave heights and patterns common in industrial roofing to ensure a snug, watertight fit.


Q: How does it withstand the harsh chemicals and heat often found in industrial areas?
A: The strips are manufactured from high-grade, UV-stabilized polymers (often ASA or reinforced PVC) that are naturally resistant to chemical corrosion, acid rain, and extreme temperature fluctuations. This makes them ideal for chemical plants, warehouses, and manufacturing facilities.


Q: Can this sealing strip help in reducing factory energy costs?
A: Yes. By providing an airtight seal at the eaves, it minimizes "thermal bridging" and uncontrolled air leakage. This helps maintain stable internal temperatures, reducing the load on HVAC systems and lowering overall energy consumption for large-scale factories.


Q: Is the installation process complicated for large-scale projects?
A: Not at all. The 90° design is "self-aligning," meaning it fits naturally against the eave line. It can be quickly secured with standard roofing fasteners. This easy-install feature significantly reduces labor time and costs during large-scale factory roof constructions or renovations.










(English) LESSO ROOF SHEET(1)_00



(English) LESSO ROOF SHEET(1)_01


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LESSO Resin Tile integrates the R&D, production and sales of new environmental-fiendly roof bullding materials, Our main business includes roof buiding materials, heat insulation materials, and buiding anti-corrosion materials.

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