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OnBuy.com£4.79Visit shop Nickel-Plated Steel Door Chain Lock | Internal Door Restrictor And Limiter | Security Chain Lock For Front Or Upvc Doors | Includes Complete Fittings 5057670111173
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B&Q£9.99Visit shop - Security Door Chain Chrome Plated Steel
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This security door chain is ideal for homeowners and tenants seeking an affordable, robust way to screen visitors before fully opening their door. Designed for front, UPVC, and internal doors, it provides a vital layer of security by allowing for controlled ventilation and caller identification, though it is intended as a supplementary security measure rather than a replacement for high-security deadbolts or smart locks.
| Brand | Bulk Hardware |
|---|
Yes, it is suitable for UPVC doors, but ensure you use appropriate fasteners and take care not to drill too deeply into the internal locking mechanisms.
The chrome plating is corrosion-resistant, making it suitable for front doors exposed to the elements, though regular cleaning is recommended.
You will need a drill with suitable bits, a screwdriver, and a pencil for marking the pilot holes.
Yes, this is designed specifically for standard doors that open inward.
No, for your safety, this product is designed to be operated only from the inside of the room.
Ensure the mounting screws are not overtightened, which can warp the track, or apply a small amount of silicone-based lubricant.
The wood may be too soft or damaged. Use longer screws or fill the existing holes with wood filler and dowels before re-drilling.
Reposition the anchor plate slightly further away from the door hinge side to increase tension when the door is latched.
Installation requires only a drill and a screwdriver. Begin by aligning the anchor plate on the door frame and the chain track on the door, ensuring there is enough clearance for the chain to slide and lock when the door is slightly open. Always pilot drill holes to prevent timber from splitting. For UPVC doors, ensure your screws are of the appropriate length to secure into the reinforced metal core of the frame. To maintain the finish, wipe the chain periodically with a damp, soft cloth to remove dust and salt deposits; avoid using harsh chemical cleaners that may damage the chrome plating.
