What's Lamina R101 y R72
The R-101 and R-72 profiles are both trapezoidal metal roofing sheets, but they differernt in width, structural strength, and applications. Here’s a detailed comparison:
Key Differences: R-101 vs. R-72 Roofing Profiles
Feature |
R-101 Profile |
R-72 Profile |
Profile Shape |
Trapezoidal |
Trapezoidal |
Effective Cover Width |
101 cm (1.01 m) |
72 cm (0.72 m) |
Total Width |
~110 cm |
~80 cm |
Rib Height |
~3.5 cm |
~2.5 cm |
Material |
Galvanized/Painted Steel |
Galvanized/Painted Steel |
Available Gauges |
22, 24, 26, 28 |
22, 24, 26, 28 |
Best For |
Large industrial roofs, warehouses, factories |
Small roofs, walls, fences |
Load Capacity |
Higher strength, supports heavy loads |
Lighter, best for medium loads |
Installation |
Covers more area per sheet, fewer overlaps needed |
Easier to handle due to smaller width |
Which One Should You Choose?
- Choose R-101 if you need stronger roofing for large industrial buildings, warehouses, or commercial structures.
- Choose R-72 if you need a lighter, easy-to-install sheet for smaller roofs, fences, or walls.

How to make R-101 y R72?
Steps of an R-101 y R72 Roll Forming Machine
1.Material Input:
- Handles galvanized steel, aluminum, or pre-painted steel coils.
- Thickness range: 0.3 mm to 0.8 mm (varies by model).
- When do you R101 y R72, just put different coil width, there is handle wheel in the two sides, you can adjust it manually
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2.Roll Forming Process:
- Ensures precise and consistent sheet dimensions.
- There is total 24 roller stations ro produce R-101 y R72 profile.
- Speed: 15m/min, also can do high speed 30m/min if you have high demand capacity requirements.
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3. Hydraulic Cutting System:
- Includes a hydraulic or mechanical cutting system to cut sheets at the required length.
- Can be programmed for custom lengths, it is cutting automatically.
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4.Control System:
- Operated using a PLC with a touchscreen interface, Siemens brand
- Setting different lengths and quantities production.
- Language can be set English and Spanish.
- Operation table is hanging over to sace space
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Applications of R-101 y R-72
- Industrial and commercial roofing.
- Residential roofing (where a modern metal look is preferred).
- Warehouse and factory walls.
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