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TSP Steel Roof Sheets vs. Color-Painted Steel Sheets: Which Offers Better Durability and Performance

2025-07-18 13:50:00

 

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In industrial construction, choosing the right roofing material is key. It keeps buildings safe, lasts long, and helps operations run smoothly. A good roof lowers repair costs and improves workplace comfort, especially in tough places like coastal areas, chemical plants, food factories, or farms. These spots deal with high humidity, salty air, pollutants, and extreme heat, which speed up rust. Replacing roofs every few years costs a lot. Advanced materials, like TSP steel roof sheets, resist rust and wear better, making them a great choice for these challenges.

Composition and Structural Differences

TSP steel roof sheets outperform regular options in tough industrial settings due to their superior composition.

Structure and Coating of TSP Steel Roof Sheets

TSP FILM COATED STEEL SHEET uses a special film tightly bonded to the steel. This film is sealed with no tiny holes, blocking all rust-causing substances from reaching the metal. It has three layers: a strong galvanized or color-painted steel base, a unique glue developed by Jieli over five years, and a clear, modified polyester film that fights rust and handles heat up to 165-170°C. This design makes TSP steel roof sheets perfect for harsh places like coastal zones or industrial areas.

Structure and Coating of Color-Painted Steel Sheets

On the other hand, color-painted or powder-coated steel sheets are covered with paint or plastic sprayed on. But this method isn’t perfect. It leaves small holes and weak spots that cause rust, like pitting or crevice corrosion. These flaws make painted sheets a bad fit for tough places like coastal or industrial zones, where conditions worsen rust.

These design differences affect how each type handles stress. TSP steel roof sheets provide much better protection than traditional painted options.

 

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Salt spray test for 1000 hours:

TSP film coated steel sheet and Color painted steel sheet

Key Performance Factors Compared

Industrial settings bring many challenges. Let’s compare how TSP and painted sheets perform.

Corrosion Resistance Capabilities

TSP’s rust-fighting strength comes from its sealed film layer. It fully blocks harmful substances. Painted coatings, however, develop tiny holes over time, letting rust sneak in. In humid or coastal areas, salty air with chloride ions can ruin metal protection, causing pitting corrosion. This is common in coastal buildings. TSP’s tight seal stops this damage. Tests from CNAS show TSP sheets stay rust-free after 168 hours in acid, alkaline, or salt solutions, proving their great rust resistance.

Heat and UV Resistance Properties

In hot places like the Middle East or Africa, where the sun blazes all year, TSP’s modified polyester film handles high heat well. It’s ideal for scorching climates. UV rays can weaken paint coatings, leading to rust, but TSP’s film fights UV damage much better than regular paints. This makes TSP a stronger choice for places with constant sunlight.

Impact Resistance and Load-Bearing Strength

Industrial sites often need roofs that can carry heavy loads, like equipment or rainwater. The market demands roofing that supports big weights and works over long steel truss spans. TSP’s sturdy design stays solid even under pressure. Painted sheets, though, often fail. Their coatings flake off, or the metal weakens due to rust, making them less dependable.

Moisture and Fire Resistance Features

Humidity is a big issue for roofs. Wet conditions trigger chemical reactions that rust metal. Rain can also peel off coatings, speeding up rust. TSP’s tight seal blocks all moisture. Plus, TSP steel roof sheets have an A-grade fire rating. They don’t burn easily and stop fire on their own. This adds safety for places handling flammable materials.

Aesthetic Longevity and Color Stability

While performance is key in industrial projects, looks matter too, especially for buildings seen by clients or partners. Painted sheets fade quickly under UV rays, losing their shine. TSP’s modified polyester film keeps its color for a long time without fading. Painted sheets need repainting often to look good, but TSP’s lasting finish cuts down on touch-up costs, saving money.

 

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Acoustic and Thermal Insulation Benefits

Noise control is vital in factories or workshops with loud machines. TSP’s layered design reduces sound better than single-layer painted sheets. It also insulates heat well, helping save energy. This is great for big warehouses that need to control temperature without using too much heating or cooling.

Cost-Efficiency Over Lifecycle

TSP steel roof sheets might cost a bit more upfront than painted options. But they don’t need replacing every 2-3 years. Lower repair costs and fewer interruptions mean long-term savings. Less downtime also boosts productivity, which is crucial for factories or shipping operations.

 

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Advantages of TSP Steel Roof Sheets

Why Industrial Projects Prefer TSP Steel Roof Sheets

Big construction projects need materials that meet strict standards. For example, a mining project in Chile needed durable roofing because of extreme conditions. Whether it’s a mining site in Latin America or a farm in coastal Africa, Jieli’s products have proven reliable worldwide.

Also, Jieli’s TSP steel roofing sheet earned UL certification in the United States. This meets global standards for government-backed building projects.

Jieli: A Trusted Supplier of Anti-corrosion Steel and UPVC Roofing Solutions

Founded in 1992, Laizhou Jieli Industrial Co., Ltd. is an ‘ISO9001:2008’ certified company. It focuses on researching, developing, making, and supplying Anti-corrosion Steel and UPVC roofing sheets. With over 30 years of experience, Jieli runs 22 advanced production lines for fast global delivery. They’ve created patented products, like glass-fiber reinforced roof sheets, meeting modern industry needs while staying eco-friendly.

FAQs

Q1: What makes TSP steel roof sheets better than traditional color-painted steel sheets?
A: TSP sheets use a sealed film that blocks all rust-causing agents. Painted coatings get tiny holes over time, leading to rust like pitting corrosion. This makes TSP ideal for harsh environments.

Q2: Can TSP roofing handle extreme heat in places like the Middle East?
A: Yes. TSP’s modified polyester film resists high temperatures. It’s perfect for hot climates like the Middle East, where heat is a constant issue.

Q3: How long do TSP steel roof sheets last?
A: TSP sheets come with a 15-year warranty. They last much longer than standard roofing, which often needs replacing every 2-3 years due to rust or peeling paint.

TSP Steel Roof Sheets vs. Color-Painted Steel Sheets Which Offers Better Durability and Performance