12 Inch Framemaster Fire Resistant Letter Box

Special Intumescent Lining: Expands 50 times its size to block cavity hole and prevent smoke entry during a fire.

Heat-Absorbing Design: Prevents screws from melting plastic, ensuring lasting durability.

Fast-Acting Intumescent: Activated at 5 degrees lower than most products on the market for quicker fire safety.

Ideal for 40-80mm Doors: Compatible with both wooden and composite doors for versatile installation.

Anti-Vandal Protection: Outward-facing brushes deter vandals and prevent the insertion of unwanted items.

Improved Draught Proofing: Brushes also enhance draught protection and simplify letter delivery.

180° Flap Opening: Flap opens wide without snapping, providing enhanced functionality and durability.

Matte Finish Frame: Conceals installation scratches, offering a clean and polished appearance.

Secure Exterior Mounting: Blind bolts ensure the outer frame cannot be unscrewed externally for added security.

Waterproof Design: Internal water seal protects doors from water damage and keeps letters dry.

Durable Springs: Ultra-flexible springs withstand thousands of uses without breaking.

Patent-Pending Alignment Feature: Self-aligning screw boss simplifies installation of inner and outer frames.

Meets Industry Standards: Complies with BS EN 13724:2013 testing for quality and reliability.

Available in Multiple Finishes: Choose from PVD Gold, Mirror Polished, or Satin Stainless for a stylish and durable finish.

Nanocoast Technology: Resistant to rust and corrosion, ideal for coastal and industrial environments.

Lifetime Coating Guarantee: Nanocoast products are backed by a lifetime coating guarantee for long-lasting performance.