Intumescent Letterbox Assemblies 254mm. SSS Black All levers are G304 grade

All levers are G304 grade with Grade 201 rose inners and a secure heso spindle fix

Grade 11 Ball Bearing Hinge

the grilles allow air to circulate throughout the building

The handle is slender at each end with a broader middle allowing for a comfortable ergonomic grip

the stainless brass PVD long-life finish offers a 25 year finish guarantee

Intumescent Letterbox Assemblies 254mm. SSS Black All levers are G304 gradeIntumescent Letterbox Assemblies 30 min's Fire Protection. 254mm BS EN 1935. Smokeproof. Comes with a 10 year mechanical guarantee and is Fire door rated. A stylish ABS framed, adjustable telescopic sleeved letterbox, with metal flaps and fitted with a high performance intumescent liner. In the event of fire the intumescent liner expands rapidly and seals off the letterbox opening, preventing the spread of fire and smoke whilst maintaining the