This Keypak door letterbox is designed for easy installation and effective draught exclusion. It f...This Keypak door letterbox is designed for easy installation and effective draught exclusion. It features an internal draught excluder with integrated brushes to prevent drafts and an internal water seal to stop water leaks. The anti-snap flap design allows for 180-degree opening without risk of snapping. Its telescopic sleeve adjusts to fit doors between 40mm and 80mm thick, making it suitable for most uPVC, Composite, and Timber doors with a letterplate slot. The overall dimensions are 270mm x 70mm, with an internal sleeve dimension of 225mm x 37mm. Screw hole centers are 245mm apart. Installation involves cutting the door aperture, separating the halves, placing the exterior gasket, inserting the internal half with brushes, and then the external half with the gasket. Ensure the letterplate covers the aperture and the gasket does not protrude before fixing with the provided short or long bolts. Do not overtighten fixings.
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Product Information
Full details
This guide is for homeowners and installers seeking to understand and effectively use the Keypak Door Letterbox. It provides a straightforward method for reducing drafts and preventing water ingress, enhancing the comfort and security of your home. A key consideration is ensuring proper installation, particularly the correct tightening of fixings, to maximize the product's lifespan and effectiveness. The Keypak Door Letterbox offers an easy-to-install solution for most uPVC, Composite, and Timber doors, featuring a draught excluder and water seal.
All features
Brand
Keypak
Extended Product Information
FAQs
What tools are needed for installation?
You'll need a measuring tape, pencil, saw (suitable for your door type), screwdriver or drill, and possibly a drill bit.
What door thicknesses does this letterbox fit?
The telescopic sleeve adjusts to fit doors between 40mm and 80mm thick.
Can I install this on a metal door?
This letterbox is primarily designed for uPVC, Composite, and Timber doors. Installation on metal doors may require modifications or additional tools.
How do I measure for the correct size?
Measure the existing letterplate slot, or measure the door to ensure it falls within the 40-80mm thickness range.
What if the screw holes don't align?
The screw hole centers are 245mm apart. If your existing holes don't align, you may need to drill new holes, but ensure you don't compromise the door's integrity.
How do I replace the brushes?
The brushes are integrated into the internal half of the letterbox. If they are damaged, you would need to replace the internal part of the letterbox. Consult the manufacturer's instructions.
What is the warranty on this product?
Please refer to the product packaging or retailer for warranty information.
Troubleshooting
Drafts still present after installation.
Check the seal and brush condition. Ensure the letterbox is properly aligned and the door closes flush. Check for gaps between the door and the letterbox.
Water leaking through the letterbox.
Verify the gasket's condition and correct positioning. Ensure the letterbox is securely fixed to the door. Check that the door isn't warped or damaged.
Flap sticking or difficult to open.
Check for obstructions. Ensure the hinges are clear and not catching. Lubricate the flap mechanism if necessary with a silicone-based lubricant.
Pros and Cons
Pros
Reduces drafts, improving energy efficiency.
Prevents water ingress, protecting against damage.
Durable anti-snap flap for long-lasting use.
Simple installation process.
Compatible with a wide range of door types and thicknesses.
Cons
Requires cutting an aperture in the door for installation.
Fixings must not be over tightened, which could be an issue for some.
May not be suitable for doors outside the specified thickness range (40-80mm).
Setup, Compatibility & Care
Installation:
Cut the required aperture in the door.
Separate the letterbox halves.
Place the exterior gasket.
Insert the internal half with brushes.
Attach the external half with the gasket.
Ensure the letterplate covers the aperture.
Fix with provided bolts (short or long).
*Important:* Do not overtighten the fixings.
Compatibility:
Suitable for uPVC, Composite, and Timber doors.
Fits doors 40mm to 80mm thick.
Requires a letterplate slot for installation.
Care:
Clean the letterbox regularly with a damp cloth.
Avoid abrasive cleaners that could damage the finish.
Check the seal and brushes periodically for wear and tear.