Seam Closer Comparison
We compare four professional tools designed for closing standing seams in roof seaming. All are intended for sheet metal workers and roofers, but differ in manufacturer, construction, features and price. We selected the most well-known and reliable ones for this comparison.Choose the right tool for your work.
Which seam closers are these?
- Falz Seamer
- Seaming Pro
- SRLT 12
- Pro-line FSD
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What did we test and how?
We compared the individual devices so that the final evaluation of their properties is clear and corresponds to their real characteristics. We did not favour anyone — on the contrary, we evaluated the following data very critically:
- Technical parameters
- Construction and build quality
- Ergonomics and ease of use
- Basic equipment and accessories
- Value for money
JOUANEL SRLT2
Manufacturer: Jouanel SAS, France
- More comprehensive equipment
- Usable on facade and roof
- Autonomous movement on facade
- Fall arrest ring
- Excellent fastening mechanism
- 3 profile heights (25, 32, 38 mm)
- Stainless steel rollers
- Highest price of the four
- Max. material thickness not specified
- Closing speed not specified
FALZ Seamer
Manufacturer: Buschmann Tools, Latvia
- Highest speed (30 m/min)
- Lowest weight (5.3 kg)
- ⌀ 60 mm rollers without stretching the sheet
- Wide range of materials including coated steel
- Facade use not specified
- Max. material thickness not specified
- Profile height not specified
- Larger device dimensions
FSD PRO-line
Manufacturer: MASC Werkzeug GmbH, Germany
- Robust and compact design
- Best closing mechanism — two red levers
- Precisely defined max. material thickness
- Guaranteed no marks on the sheet
- Adjustable contact pressure
- Good price / performance ratio
- Weight and dimensions not specified
- Closing speed not specified
- Facade use not specified
- Lower max. thickness for steel/stainless steel (0.5 mm)
Seaming Pro
Manufacturer: Freund CIE, Germany
- 3 functions in 1 device
- Closes and cuts old seams
- No plastic parts inside
- Optimal pressure mechanism
- Durable stainless steel rollers
- Steel up to 0.6 mm
- Heaviest weight (6.5 kg)
- Only 2 profile heights (25, 32 mm)
- Requires min. 100–135 Nm drill driver
- Facade use not specified
📊 Detailed Comparison
| Feature | SEAMING PRO | SRLT2 | FALZ Seamer | FSD PRO-line |
|---|---|---|---|---|
| Number of closing steps | 1 step | 1 step | 1 step | 1 step |
| Drive | Cordless drill driver | Cordless drill driver | Cordless drill driver | Cordless drill driver |
| Device weight | 6.3 kg | 5.5 kg | 5.3 kg | not specified |
| Dimensions (mm) | 312 × 254 × 125 | 332 × 244 × 115 | 420 × 345 × 180 | 332 × 231 × 111 |
| Closing speed | not specified | not specified | 30 m/min | not specified |
| Profile heights | 25, 32, 38 mm | 25, 32, 38 mm | not specified | adjustable |
| Straight panels | ✅ | ✅ | ✅ | ✅ |
| Curved / arched panels | ✅ Yes | not specified | not specified | not specified |
| Roof use | ✅ | ✅ | ✅ | ✅ |
| Facade use | not specified | ✅ Autonomous movement | not specified | not specified |
| Materials — steel | ✅ | ✅ | ✅ | ✅ (max. 0.5 mm) |
| Materials — stainless steel | ✅ | ✅ | ✅ | ✅ (max. 0.5 mm) |
| Materials — coated steel | ✅ | ✅ | ✅ | ✅ |
| Materials — Cu / Zn / Al | ✅ (max. 0.8 mm) | ✅ (max. 0.8 mm) | ✅ (max. 0.8 mm) | ✅ (max. 0.8 mm) |
| Cutting wheels | ✅ Yes | not specified | not specified | not specified |
| Contact pressure adjustment | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Drill driver holder | ✅ Universal | ✅ Universal | ✅ Universal | ✅ Compact |
| Quick release / fastening | ✅ Handle | ✅ Lever | not specified | ✅ Two levers |
| Fall protection | not specified | ✅ Fall arrest ring | not specified | not specified |
| Transport case | ✅ Impact-resistant | ✅ Foldable | ✅ Impact-resistant | ✅ Impact-resistant |
🏆 Recommendation
JOUANEL SRLT2
Ideal for professional sheet metal workers working on diverse projects — roofs and facades. The only one with autonomous movement on facades and a fall arrest ring. Widest range of profile heights. An investment that pays off on demanding jobs.
FSD PRO-line MASC
An excellent choice for sheet metal workers looking for a reliable everyday tool with a robust design. Precisely defined material limits and guaranteed surface protection of the sheet. German quality at a reasonable price.
FALZ Seamer
Seaming Pro FREUND CIE
The only closer with a function for cutting old seams — ideal for roof renovations. No plastic parts, spring plate, 2 handles. Highest price and weight, but if you need one device for everything — this is the right choice.
CONCLUSION
- 💰 Best price/performance ratio: FALZ Seamer – lowest price, high speed of 30 m/min, compatibility with more materials including titanium. Great choice for everyday use.
- 🏗️ Most versatile: Seaming PRO – the only one that can also cut old seams, without the need for a manual start. Ideal for renovations and complex projects, but at a higher price.
- 🎯 Best for precision work: FSD PRO-line – adjustable pressure, no marks on the sheet, excellent for sensitive materials such as copper and aluminium.
- 🔒 Best for working at height: SRLT2 – thanks to the fall arrest ring and the ability to move autonomously on facades, it is the safest when working on tall structures.
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