• Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot
  • Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot
  • Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot
  • Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot
  • Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot
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Direkt

Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot

Direkt 12 Inch Heavy Duty Letterbox – Fits 40-80mm Door Thickness, Durable & Secure Mail Slot

£29.99 GBP
£29.99 GBP
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Heavy Duty Letterbox

This high-quality 12 inch heavy duty letterbox combines a traditional design with robust performance, making it ideal for both residential and commercial use. Designed for doors between 40mm and 80mm thick, it offers reliable mail delivery while maintaining security, durability, and weather resistance.

Crafted from premium zinc alloy or 304 stainless steel, this letterbox is built to last. It offers outstanding corrosion resistance—tested for up to 480 hours in a neutral salt spray test—and is available in a variety of stylish finishes to match your door. Installation is quick and straightforward, making it a hassle-free upgrade for timber, composite, or uPVC doors.

Available in multiple powder-coated finishes such as White, Black, and Anthracite Grey, as well as plated multi-layer finishes like Chrome, PVD Gold, Satin Chrome, Brushed Nickel, and Rose Gold.

Features:

  • Easy installation
  • Corrosion-resistant (480 Hours Neutral Salt Spray Test)
  • Suitable for timber, composite, and uPVC doors
  • Multiple powder coat and plated finishes available
  • Durable zinc alloy or 304 stainless steel construction
  • Fully weather-sealed backplate to prevent drafts
  • Colour-matching flaps on both sides
  • Ideal for acoustic door sets

Specifications:

  • Material: Zinc Alloy or 304 Stainless Steel
  • Powder Coat Finishes: White, Black
  • Plated Multi-Layer Finishes: Chrome, PVD Gold, Satin Chrome, Brushed Nickel, Rose Gold
  • Corrosion Resistance: 480 Hours Neutral Salt Spray Test
  • Box Quantity: 10
  • Packaging: Customisable
  • Door Thickness Compatibility: 40mm to 80mm

Dimensions:

  • External: 310mm (W) x 68mm (H)
  • Internal Sleeve (Minimum Hole Size): 262mm x 45mm
  • Screw Hole Distance: 270mm

What’s Included:

  • Internal flap, tunnel, and surround with fitted brushes
  • External flap, tunnel, and surround with foam draught seal
  • Assorted fixing bolts with sleeves

Measuring Guide:

  1. Remove your existing letterbox by lifting the flaps and unscrewing the fixing screws or bolts.
  2. Measure the exact width and height of the aperture (hole) in the door.
  3. Compare your measurements with the specifications above.
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Built to Last. Finished to Impress.

Our products are engineered for excellence and crafted to withstand the demands of everyday use.

10-Year Mechanical Guarantee

We stand behind the strength and reliability of our products. Every mechanism is built for long-term performance and is covered by a full 10-year mechanical warranty.

Lifetime Finish Guarantee

Our premium finishes are designed to resist wear, tarnishing, and corrosion. Backed by a lifetime guarantee, the finish will continue to look as good as the day it was installed.

Seven Star Coating Process

Using a state-of-the-art multi-stage coating process, we apply seven layers of advanced protection to ensure superior durability and an exceptional, long-lasting appearance.

When quality matters, choose a product that delivers lasting performance, timeless style, and total confidence.