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Faithfull Adjustable Door Clamp Review: Secure one-person clamping for fire doors

Faithfull FAIUPCLAMP Adjustable Door Clamp - (12-55mm Capacity, Inc FD60 Fire Doors)
4.6
[Versatile Material Compatibility]  Works with doors, sheet materials and studs for interior wood framing.
[Strong 55mm Grip]  Holds materials up to 55mm (2¼in), perfect for FD30 and FD60 fire doors.
[One-Person Operation]  Push out, lock by hand or foot for rapid single-user setup.
[Hands-Free Precision]  Securely clamps so you can mark, route, plane and drill precisely.
[Improves Efficiency & Safety]  Eliminates struggling to hold material, speeding jobs and reducing accidents.
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Home improvement clamp designed to hold doors and sheet materials securely while you work. Faithfull Adjustable Door Clamp makes one-person marking, routing and drilling far less fiddly, giving confidence when fitting or modifying internal fire doors. Is it the right clamp for joiners who need a reliable single-handed solution?

⚡ At a Glance
  • Holding Capacity: Secure clamp for materials from 12mm up to 55mm (2 1/4in), suitable for FD30 and FD60 fire doors
  • Best for: Carpenters and joiners fitting or modifying interior doors who need single-handed operation
  • Not ideal for: Materials thicker than 55mm or heavy external doors

Adjustable clamp secures door edges and sheet materials up to 55mm with a strong, lockable grip. One-person operation allows marking, routing, planing and drilling without a second set of hands.


Work alone confidently, with a push-out grip and locking action

Push the grip out of its holder and lock onto the side of the object; operation can be completed by hand or foot to engage the clamp. Mechanical locking holds the jaw position so the workpiece remains stationary during tasks.

Keeps work steady while marking or routing and frees a hand for tools. Speeds up jobs that would otherwise require a second person to hold materials.

Secure clamping for fire-door tasks, with a 12 to 55mm capacity

Strong grip holds materials up to a width of 55mm, matching common internal door edge thicknesses. Described suitability includes FD30 and FD60 fire doors, so adjustments and preparatory work can be undertaken with confidence.

Holds door edges firmly during planing and drilling, reducing movement and the risk of slips. Useful when preparing or modifying fire doors to required specifications.

Versatile across common joinery materials, with a design for doors, sheets and studs

Compatible with doors, sheet materials and studs used in interior wood framing, allowing the clamp to engage a variety of surfaces and thicknesses. The holder and jaw geometry provide a consistent gripping surface.

Cuts down on tool changes and extra clamps on-site by covering multiple tasks. Handy for installers who move between door fitting and general carpentry work.

✨ The 4 Key Reasons for Faithfull Adjustable Door Clamp
  1. One-person operation, Speeds up fitting by removing the need for a second helper
  2. Adjustable 12 to 55mm capacity, Handles most internal door thicknesses and common sheet materials
  3. Secure locking grip, Keeps workpiece steady during marking, routing and planing
  4. Hand or foot release, Allows rapid clamping and release when working alone
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Brand: Faithfull
  • Product: Adjustable Door Clamp
  • Suitable for: FD30 and FD60 fire doors
  • Clamping Range: 12mm to 55mm (2 1/4in)
❓ Frequently Asked Questions

Q: What thickness of material can the clamp hold?

A: The clamp secures materials from 12mm up to 55mm (2 1/4in).

Q: Can it be used on fire doors?

A: Suitable for working on FD30 and FD60 fire doors, making it appropriate for many internal fire-door tasks.

Q: Can a single person operate the clamp?

A: Yes, push the grip out of its holder and lock onto the side of the object; the grip can be engaged by hand or foot for single-person operation.

🏆 Our Verdict

Ideal for carpenters and joiners who need a reliable, single-person clamping solution when fitting or modifying internal doors. Strong lockdown across 12 to 55mm and compatibility with FD30 and FD60 doors suit fire-door preparation particularly well. Simple operation and robust performance offer long-term value for tradespeople who regularly work on door installations.