Intumescent Letterboxes Next Day Delivery

Intumescent Letterboxes Next Day Delivery – Keep your property safe with our premium quality fire-rated letterboxes. Featuring a stylish ABS frame, durable metal flaps, and a high-performance intumescent liner, these letterboxes rapidly expand in the event of a fire, sealing off openings to prevent the spread of smoke and flames. Designed for trade professionals and property developers, these letterboxes meet rigorous BS fire, smoke, acoustic, and security standards, ensuring compliance and safety. With an adjustable telescopic sleeve, brush pile draught excluders, and a fully sealed backplate, they provide enhanced durability, security, and insulation. Order before 3 PM for next-day delivery!