Intumescent Letter Box Liner (Product 50 )

Intumescent Letter Box Liner (Product 50 )Intumescent liners for improving the fire rating of existing letter box apertures. An intumescent liner for letter box. This product comprises of two adhesive L shaped sections with self adhesive backing for fixing. For mail apertures in fire doors where letter flaps already exist. Aperture sizes up to the limit for each type (LBL1 and LBL2) adjust the liners by cutting with a sharp knife as required. Seal any bare wood apertures with paint or wood

FC9R/AC        515mm          340mm          250mm

For example

achieving 181 minutes integrity

such as dining room and kitchen

Design allows for economical maintenance and service

Seal any bare wood apertures with paint or wood sealer before fixing the liner

FM25                      25 kg regular fire mortar GREY-coloured

Each fire stop intumescent block is 1200mm long

CB150                                                   150mm

This 5kg unit has a fire rating of 34B

varnish or wax surfaces

luxury hotels and contemporary offices