Enhance your door's functionality with this letterbox featuring an internal draught excluder. It h...Enhance your door's functionality with this letterbox featuring an internal draught excluder. It has integrated brushes to block draughts and an internal water seal to prevent leaks, keeping your home comfortable and dry. The anti-snap flap opens a full 180 degrees for easy access and reduced risk of damage. With an adjustable sleeve, this letterbox fits doors 20mm to 39mm thick, making it suitable for most uPVC, composite, and timber doors. The 10" (27cm) length ensures a good fit. Please ensure you check the size and fit before purchase, as letterboxes come in 10" or 12" sizes and suit different door depths. This model is 10" (27cm) and fits doors 40–80mm thick. Measure your current letterbox and door depth carefully for compatibility. The external and internal flaps open up to 180 degrees without risk of snapping. The telescopic design allows adjustment for doors between 20mm to 40mm thick. The overall size is 270mm x 70mm, with internal sleeve dimensions of 225mm x 37mm. The distance between screw holes is 245mm. Installation is easy with adjustable sleeves for uPVC panel doors ranging from 20-40mm thickness; use the provided short or long screws depending on your door thickness. The integrated brushes prevent draughts, and the internal water seal stops water ingress.
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Product Information
Full details
This guide is for anyone installing or maintaining a Keypak Door Letter Box - Black/White. It helps improve your door's functionality by blocking draughts and preventing water leaks. However, careful measurement of your existing letterbox and door depth is essential to ensure a proper fit.
All features
Brand
Keypak
Extended Product Information
FAQs
What is the size of the letterbox?
The letterbox is 10" (27cm) long.
What door thicknesses does this letterbox fit?
It fits doors between 20mm and 39mm thick.
How do I install the letterbox?
Simply remove your old letterbox, insert the new one, and secure it with the provided screws.
What materials are the letterbox suitable for?
It is suitable for uPVC, composite, and timber doors.
How do I clean the letterbox?
Use a damp cloth to wipe it clean.
What is the flap made of?
The flap is designed to open 180 degrees to prevent damage.
What are the dimensions of the internal sleeve?
The internal sleeve dimensions are 225mm x 37mm.
What is the distance between the screw holes?
The distance between the screw holes is 245mm.
Troubleshooting
Letterbox doesn't fit properly.
Double-check the door thickness and letterbox dimensions. Ensure the adjustable sleeve is set correctly.
Draughts are still present.
Ensure the brushes are making proper contact and the letterbox is correctly installed and sealed.
Water is leaking through.
Check the internal seal for damage and ensure the letterbox is correctly installed and sealed.
Pros and Cons
Pros
Improves home comfort by eliminating draughts.
Protects against water damage with an internal seal.
Durable design with a full 180-degree opening flap.
Easy to install on a variety of door types.
Stylish design that complements most doors.
Cons
Requires careful measurement to ensure compatibility.
Only available in a 10" size.
May not fit doors outside the specified thickness range (20-39mm).
Installation requires basic DIY skills.
Setup, Compatibility & Care
Compatibility: This letterbox is compatible with uPVC, composite, and timber doors with a thickness between 20mm and 39mm. Always measure your existing letterbox and door depth before purchase.
Installation:
Remove the old letterbox.
Insert the new letterbox through the door opening.
Use the provided screws (short or long, depending on your door thickness) to secure it.
Ensure the letterbox is flush against the door surface.