- APPLICATION INSTRUCTIONS
- ORDER REFERENCES
An intumescent fire & smoke protection letterbox system comprising a front plate with a spring loaded flap which can be also used on the inside of the door, an internal intumescent liner is supplied to fit in the aperture. For the internal side, a flap with a security hood can be supplied as an alternative option. There are three sizes available to fit doors from 36mm to 70mm thick.
- Provides up to 68 minutes protection- Can be installed on either side of a wide range of doors
- A security hood or lockable letter plate can be supplied as internal alternatives to fit to the door
- Economy letter box is ready to install in mail apertures, replacing the existing standard letter flap
FIRE TEST PERFORMANCE
Tested to BS476 Part 22 1987, built into a composite door, maintaining the integrity of the door for 61 minutes.
Tested to European Standard EN1634-1 (2000), achieving 68 minutes protection.
Insert the Letter Box Unit into the hole and fix with screws supplied; insert the liner to finish and then fix with double sided tape and pins supplied.
For Internal Flaps / Security Hoods, align with the external flap and fix with screws supplied.
Please use the links below to download relevant information as PDF documents:
|TYPE||HOLE SIZE||OVERALL SIZE|
|L1 – L4||50 x 267mm||75 x 315mm|
|L6 – L8||69 x 290mm||100 x 335mm|
Option A: Front smoke frame and flap + intumescent liner.
Option B: Front smoke frame and flap + intumescent liner + rear smoke frame and flap.
Option C: Front smoke frame and flap + intumescent liner + security hood (standard security hoods are black)
Special BS and RAL colours made to order at an extra charge.
LOCKABLE LETTER PLATE
|LLP1||White||260mm x 40mm||310mm x 70mm|
|LLP2||White||275mm x 60mm||335mm x 100mm|
LOCKABLE LETTER PLATE (WITH KEY HOLDER)
|LLP3||White||260mm x 40mm||310mm x 70mm|
|LLP4||White||275mm x 60mm||335mm x 100mm|
NEW LETTER BOX UNIT Complete with intumescent liner. Overall size 76mm x 310mm, deep to suit door sizes 38-60mm.
INTERNAL SMOKE FLAP only, consists of a 10mm deep metal surround, with a metal flap, housing a smoke and draught seal to suit hole size 267 x 50mm. These are made in the standard colours shown below.
|SM/S||Stainless steel (brushed with black surround)|
ECONOMY LETTERBOX WITH INTUMESCENT LINER
|REF||COLOUR||APERTURE SIZE||EXTERNAL SIZE|
|LPB/C||Chrome||250mm x 35mm||300mm x 67mm|
|LPB/SC||Satin Chrome||250mm x 35mm||300mm x 67mm|
|LPB/G||Gold||250mm x 35mm||300mm x 67mm|
|LPB/B||Black||250mm x 35mm||300mm x 67mm|
|LPB/W||White||250mm x 35mm||300mm x 67mm|