Roofing Panel Roll Forming Factory Case Study in Indonesia

Roofing Panel Production Factory Case Study in Indonesia

Introduction

This case study examines a fast-growing roofing panel manufacturing facility based in Indonesia, supplying metal roofing and cladding products to residential, commercial, industrial, and infrastructure projects across Southeast Asia.

Indonesia’s construction market has expanded rapidly due to urbanization, infrastructure development, and industrial growth. Roofing panels—particularly corrugated and trapezoidal profiles—are widely used due to their cost efficiency, durability, and ease of installation.

To meet rising demand and improve production efficiency, the factory invested in multiple high-speed roll forming machines capable of producing a range of roofing panel profiles with consistent quality.

This case study outlines the factory’s setup, machine configuration, production capabilities, materials used, operational challenges, and key lessons learned.

Factory Overview

Location:

Jakarta Industrial Area, Indonesia

Industry:

Metal Roofing & Construction Materials Manufacturing

Facility Size:

• 13,500 m² production facility
• 3 roll forming lines (roofing + cladding + trim lines)

Market Coverage:

• Indonesia (primary)
• Malaysia
• Philippines
• Vietnam

Customer Base:

• Roofing contractors
• Builders and developers
• Industrial construction companies
• Infrastructure projects

Workforce:

• 60 employees after automation
• Previously over 95 employees

Machine Type

Installed Equipment:

Roofing Panel Roll Forming Machines (Multi-Profile High-Speed Lines)

Main Components:

• Hydraulic decoilers (5–10 ton capacity)
• Feeding and leveling systems
• Roll forming mills
• Hydraulic cutting systems
• PLC control systems
• Automatic stacking systems

Machine Specifications & Profiles Produced

Technical Specifications | Profiles Produced

Machine Speed: 20–40 meters/min | Main Profiles: Corrugated & trapezoidal panels
Roller Stations: 18–28 stations | Coverage Width: 800–1100 mm
Material Thickness: 0.30–0.70 mm | Profile Types: Roofing & wall cladding
Drive System: Chain & gearbox-driven | Applications: Residential, commercial, industrial
Main Motor: 11–22 kW | Variants: Multiple roofing panel designs
Cutting System: Hydraulic shear | Custom Options: Embossing & perforation
Control System: PLC (Delta / Siemens optional) | Panel Lengths: Up to 50+ feet
Forming Width: Based on coil width (914 / 1000 / 1200 mm) | Additional Products: Flashing & trims

The factory operates multiple roll forming lines to produce a range of roofing panel profiles, allowing flexibility to meet different customer requirements and project specifications.

Production Capacity

Daily Output:

• 45,000 – 75,000 linear meters per day

Monthly Output:

• 1.2 – 1.8 million meters

Annual Production:

• 14 – 20 million meters

Efficiency Improvements:

• 55% increase in production capacity
• 35% reduction in downtime
• Improved scheduling and workflow

Lead Times:

• Standard orders: 24–72 hours
• Bulk orders: 3–6 days

Material Used

Raw Materials:

• Galvanized steel (GI)
• Galvalume steel
• Pre-painted steel (PPGI / PPGL)

Material Specifications:

• Thickness: 0.30 – 0.70 mm
• Coil widths: 914 mm, 1000 mm, 1200 mm
• Yield strength: G250 – G550
• Coatings: Polyester, SMP

Material Sources:

• Local Indonesian suppliers
• Imported coils from China and South Korea

Material Challenges:

• Variability in coating quality
• Coil camber issues
• Material thickness inconsistencies

Problems Before Machine Installation

1. Limited Production Capacity

Older machines could not meet increasing demand from multiple markets.

2. High Material Waste

Inefficient production processes led to higher scrap rates.

3. Inconsistent Product Quality

Common issues included:

• Profile distortion
• Surface defects
• Dimensional inconsistencies

4. High Labor Costs

Manual handling increased workforce requirements.

5. Limited Product Range

Unable to efficiently produce multiple roofing panel profiles.

Problems Solved After Implementation

1. Increased Production Output

New machines significantly improved production capacity.

2. Improved Product Quality

Precision roll tooling ensured consistent panel profiles.

3. Reduced Labor Costs

Automation reduced workforce requirements and improved efficiency.

4. Lower Material Waste

Optimized cutting systems reduced scrap.

5. Expanded Product Offering

The factory can now produce a wide range of roofing and cladding panels.

Production Workflow

Step 1: Coil Loading

Steel coils are loaded onto hydraulic decoilers.

Step 2: Feeding & Alignment

Material is guided into the roll forming machines.

Step 3: Roll Forming

Material passes through roller stations forming different panel profiles.

Step 4: Cutting

Hydraulic cutting systems cut panels to required lengths.

Step 5: Stacking

Panels are stacked and prepared for distribution.

ROI and Financial Impact

Machine Investment:

• $180,000 – $400,000 (multiple production lines)

ROI Period:

• 10–18 months

Cost Savings:

• 30–35% reduction in production costs

Revenue Growth:

• 70% increase in production capacity

Additional Benefits:

• Ability to serve regional export markets
• Increased competitiveness in Southeast Asia

Common Production Issues & Solutions

Profile Distortion

Cause: Incorrect roll settings or poor material
Solution: Adjust roll gaps and improve material quality

Surface Defects

Cause: Coating issues or dirty rollers
Solution: Maintain clean system and improve material quality

Cut Accuracy Issues

Cause: Encoder misalignment
Solution: Recalibrate system

Material Waste

Cause: Inefficient production setup
Solution: Optimize workflow and cutting processes

Maintenance Strategy

Daily:

• Clean rollers
• Inspect machines

Weekly:

• Lubricate bearings
• Check drive systems

Monthly:

• Inspect tooling
• Check electrical systems

Quarterly:

• Replace worn components
• Inspect hydraulic systems

Lessons Learned

1. Flexibility is Essential

Producing multiple profiles increases market reach.

2. Material Quality Impacts Output

Consistent material ensures better product quality.

3. Automation Improves Efficiency

Reduced labor and increased output improve profitability.

4. Maintenance Prevents Downtime

Regular servicing ensures continuous production.

5. Production Planning is Critical

Efficient scheduling improves overall performance.

Key Takeaways for Buyers

If you are considering a roofing panel roll forming machine:

• Choose machines that support multiple profiles
• Match machine capacity with demand
• Use high-quality materials
• Plan maintenance and spare parts
• Invest in automation

Why Roofing Panels Are Popular in Indonesia

Roofing panels are widely used because they offer:

• Cost-effective construction solutions
• Fast installation
• Durability in tropical climates
• Versatility across industries
• Suitability for residential and industrial projects

Conclusion

This Indonesian roofing panel factory demonstrates how investing in modern roll forming technology can significantly improve production capacity, product quality, and profitability.

By implementing multiple roll forming lines and optimizing operations, the factory achieved strong ROI, reduced costs, and expanded its reach across Southeast Asia.

For manufacturers and investors, this case study highlights the importance of flexibility, efficiency, and quality in the roll forming industry.