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Amazon£69.74Visit shop Loops Polished Brass Smokeproof Intumescent Letterbox Assembly - 303Mm Width Post Box
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This Loops Smokeproof Intumescent Letterbox Assembly in Polished Brass is designed for homeowners and building managers seeking enhanced fire and smoke safety for their doors. Its key benefit is providing 30 minutes of fire protection and smoke sealing, maintaining fire door integrity. A potential caveat is the need for a precise aperture to be created during installation. This all-in-one letter plate solution features a stylish ABS frame, adjustable telescopic sleeve, metal flaps, and a high-performance intumescent liner that expands in fire conditions. It offers a clean, unified appearance from both sides of the door, negating the need for a separate internal tidy.
| Model Part Number | bc07537 |
|---|---|
| Brand | Loops |
An intumescent liner is a material that expands significantly when exposed to heat. In this letterbox, it expands rapidly in a fire to seal the opening, preventing the spread of fire and smoke.
No, this is an all-in-one solution. It is designed with a unified appearance from both the inside and outside of the door, eliminating the need for an additional internal tidy.
This letterbox assembly offers 30 minutes of fire protection and is rated to BS EN 1935.
The adjustable telescopic sleeve allows for fitment to doors with a thickness ranging from 40mm to 80mm.
Installation involves cutting a specific aperture in the door, then inserting the two parts of the letterbox assembly, which locate together and are secured via the telescopic sleeve.
The intumescent liner requires no regular maintenance. It is designed to activate automatically in the event of a fire. Ensure it is not physically damaged during installation or cleaning.
The letterbox assembly comes with a 10-year mechanical guarantee.
Check for any obstructions. Ensure the telescopic sleeve is correctly seated and not causing misalignment. Clean the hinge points and flaps with a soft, dry cloth. A very light application of silicone spray on the hinges might help if they are dry.
Verify that the brush pile draught excluders are fully intact and properly seated. Ensure the telescopic sleeve is fully inserted and creating a seal against the door liner. If the excluders are worn, they may need replacement.
Re-check the dimensions of the cut aperture against the product template. Ensure the door thickness is within the 40mm-80mm range. The telescopic sleeve should allow for adjustment, so ensure it's extended or retracted correctly.
Use a soft cloth and mild soap solution to gently clean the surface. Rinse thoroughly with clean water and dry immediately with a soft, lint-free cloth. Avoid harsh chemicals or abrasive cleaning pads.
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