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Machines & equipment
Roofing & Site Fabrication Equipment
Cutting, drilling and fixing sheet and section at height and on site.
Overview
What this covers
Cutting method
Shearing beats abrasive on coated sheet.
At height
Weight and cable management matter.
Fixing
Screwdrivers and riveters.
Equipment
Machines in this group
Marked by how we normally hold them. Availability is confirmed at quotation.
Sheet cutting
Cutting roofing and cladding sheet.
Abrasive cutting
Section and heavier material.
Drilling
Fixing holes and structural steel.
Fixing
Fast fastening on roofs.
Riveting
Blind fastening in sheet.
Welding on site
Site fabrication and repair.
Applications
Typical work
- Cutting roofing and cladding sheet to size
- Trimming ridges, flashings and valleys
- Drilling and fixing sheet to purlins
- Drilling structural steel in position
- Riveting flashings and trims
- Site repair welding
Who buys these
Trades and teams
Power
Power and drive options
Cordless is common here because dragging a cable across a roof is both slow and unsafe. Where mains is used, cable routing and RCD protection matter more than on ground-level work.
Magnetic drills need a supply and a ferrous surface to clamp to. Confirm both before selecting.
Comparison
How the options compare
| Nibbler / shears | Abrasive cut-off | |
|---|---|---|
| Cut quality on coated sheet | Clean, no heat damage | Burrs and heat-damaged coating |
| Sparks | None | Substantial |
| Curved cuts | Possible | Difficult |
| Thicker section | Limited | Good |
| Coating life at the cut | Preserved | Reduced — edge rusts first |
| Availability | Supplier-confirmed availability | Fast-moving |
Choosing
How to choose
- Consider what the cut edge has to survive. On coated roofing sheet, a heat-damaged edge is where corrosion starts.
- Match the tool to material thickness. Shears and nibblers state a maximum thickness. Above it, abrasive cutting is the option.
- Favour cordless at height. Cable across a roof is a hazard as well as a nuisance.
- For magnetic drills, check the surface. They need a flat ferrous surface to clamp to, and a supply.
- Plan fixing speed. On a large roof, fixing time dominates. A good screwdriver or riveter changes the programme.
Accessories
What goes with it
Accessories
Consumables and wear parts
Safety equipment
Ownership
Maintenance, spares and service
Nibbler punches and dies wear and are replaceable — a worn punch tears rather than cuts. Keep magnetic drill bases clean; debris under the magnet reduces holding force, which is a safety matter as well as a performance one.
Cordless batteries are affected by heat. A battery left in direct sun on a roof degrades faster.
Price
What affects the price
- Tool type and capacity
- Corded, cordless or battery platform
- Maximum material thickness
- Brand
- Dies, cutters and accessories included
- Warranty terms
- Quantity
Availability
What affects availability and lead time
- Grinders, drills, drivers and cut-off machines move fastest
- Shears, nibblers and riveting machines available through the supplier network in limited quantity
- Magnetic drills are usually sourced on order
- Specific capacities need supplier confirmation
Quotation
What to send with an enquiry
- Sheet material and thickness
- Whether the sheet is coated
- Whether the work is at height
- Corded or cordless preference and existing battery platform
- Fixing method — screws or rivets
- Quantity and preferred brand
Avoid
Common mistakes
- Cutting coated sheet with an abrasive disc where finish and corrosion matter
- Working at height with a trailing cable
- Not securing tools at height
- Using a magnetic drill on a surface too thin or too dirty to hold
Questions
Frequently asked
What is the best way to cut roofing sheet?
Shears or a nibbler where the sheet is coated. They cut without heat, so the coating at the cut edge is not damaged — and a heat-damaged edge is where rust starts.
Abrasive cutting is faster on thicker section but leaves a burnt edge.
Do I need a magnetic drill?
Only for drilling structural steel in position, where a normal drill cannot be held steady enough. It needs a flat ferrous surface to clamp to and a power supply.