These 60 minute fire rated letterbox systems are fitted with an intumescent liner around the telescopic sleeve section of the letterplate. In the event of a fire the intumescent liner expands to seal the letterbox aperture and retains the fire integrity of the door.
Brushes are designed to go to the outside for maximum protection and draught proofing.
The overall size is 305mm x 66mm, cut out required is 248mm x 42mm. Comes with a black plastic frame, metal flaps and is available in these finishes:
Satin Anodised Aluminium
Gold Anodised
Mirror Polished Stainless Steel
An all stainless steel model is available with a deeper flap:
Dimensions:
Overall size 305 x 76mm
Cut Out size 260x42mm
Finishes:
Mirror Polish Stainless Steel
or Stainless Steel PVD Coated Gold
Suitable and tested for use up to 1,700mm from floor level and adjustable to suit door thicknesses from 40mm – 80mm.. 180 degree flap opening.
10,000 Cycle Test.
Conforms to BS/EN 13724:2002
[ekm]146x80[ekm].jpg)
