Hand seamer or power-assisted seamer?

By Malco Tools.  

Learn the capabilities of both tools and which to use for your project. 

Roofing professionals of all experience levels have come to know that working with standing seam metal requires accuracy and speed. The type of seaming tool you choose can make a noticeable difference in both the quality of your work and how efficiently it is completed.  

Here at Malco Tools, we provide a range of solutions to suit different project requirements, including both hand seamers and power-assisted seamers. Each tool is built with specific tasks and workflows in mind, and it can be tricky to decide which option best fits your needs. 

That’s why our experts created this guide to help you explore the main distinctions between hand seamers and power-assisted seamers and when each tool is most effective. 

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What is a hand seamer?  

A hand seamer is a manually operated tool used to bend or fold metal seams into place. It’s ideal for tight, detailed work and is often used in the field for forming or finishing standing seam panels.  

Malco’s hand seamers: Built for control  

Malco offers multiple hand seamers designed with precision and durability in mind. Our newest hand seamers feature:  

• Models designed for both the first stage (90°) and the second stage (180°) locking  
• Rubber grommets that help prevent the tool from slipping during seam closing  
• Replaceable PVC inserts prevent scratching painted panels for a great finished look  

Hand seamers are a go-to for small jobs, repairs or finishing seams that power seamers can’t easily reach. Available in both 1 to 1.5-inch (FSHS) and 2-inch (FSHS2) models.   

Best for:  

• Fine adjustments and detail work  
• Small-scale panel installations  
• Tight or hard-to-reach areas  
• Professionals who prefer a manual touch  

Additionally, these hand seamers pair perfectly with the Malco power-assisted seamer to quickly and easily complete flawless seams.  

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What is a power-assisted seamer?  

A power-assisted seamer automates the process of locking standing seam panels. Instead of bending seams manually, the power seamer glides along the panel, forming a precise seam with minimal effort. Malco’s Power Assisted Seamer is one of the fastest and most efficient on the market today.  

Meet the Malco Power-Assisted Seamer  

Designed for both 1-inch and 1.5-inch single or double mechanical lock standing-seam panels, Malco’s 1.5-inch power seamer (FSXS):  

• Attaches to your cordless drill — no special power source required  
• Completes the seam in one efficient pass  
• Eliminates the need for hand-seaming, saving time and reducing fatigue  
• Lightweight and portable — ideal for jobsite use  

This tool is perfect for large projects where speed and consistency are crucial.   

Malco also offers a 2-inch Power-Assisted Seamer. Similar to the FSXS, the FSXS2 is used to mechanically seam panels on standing seam installs. Please note that the 2-inch seamer will only do a 2-stage lock.  

These seamers are best for:  

• Medium to large commercial or residential jobs  
• Contractors who value speed and repeatability  
• Reducing strain and fatigue on installers  
• Jobs with long panel runs or tight timelines  

Hand seamer versus power seamer: Quick comparison  

Which seamer should you choose?  

It depends on your job-site needs. If you’re tackling intricate panel work or repairs in tight spaces, Malco’s hand seamers give you unmatched control and precision. However, if you’re looking to maximize efficiency and reduce job site fatigue, the Malco Power Assisted Seamer is the clear winner.  

Many pros carry both — using the power seamer for long runs and the hand seamer for finishing touches. Either way, Malco Tools has the solution to keep your installations clean, fast and professional.  

Shop Malco seamers  

Explore our lineup of hand and power seamers at malcotools.com, or find your nearest distributor to find the ideal tool for your next standing seam roofing project.  

Original article and photos source: Malco Tools