INTU LETTER BOX Intumescent Letter Box Liner.


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Data Sheet

Health & Safety Data


Made from a graphite based high pressure intumescent material - 4mm in thickness.   
This is faced with a toughened PVC laminate to prevent wear and tear and is supplied complete with a self adhesive backing.  
Provides 30 minutes fire protection, typically to front doors of apartment blocks where each door is also a fire door.   
The product is supplied complete with a self adhesive backing tape and fit inside the formed opening.  

Tested to:  British Standards 476 Pt 22.
 

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