Intumescent Fire and Smoke Rated Telescopic Sleeved Letterbox - 30 Minute FD30 Tested - 272mm x 70mm

• Fire rated intumescent sealed letter plate, designed for use on fire rated doors, ideal for use in block of flats.

• 272mm x 70mm overall size.

• ABS black framed, telescopic letterbox, with metal flaps and fitted with a high performance intumescent liner.

• In the event of fire the intumescent liner expands rapidly and seals off the letter plate opening, preventing the spread of fire and smoke whilst maintaining the integrity of the fire door assembly.

• Letterbox flaps open to 180 degrees.

• Adjustable telescopic sleeve set to suit 40mm - 80mm door thickness.

• Fitted with brush pile draught excluder.

• Integral sound dampening bumpers.

• Ergonomic curved edge design.

• Fully sealed backplate

Finishes:

• 31204.5 - Satin stainless steel flap - with black frame.

• 31204.4 - Satin anodised aluminium (SAA) flap - with black frame.

• 31204.3 - Polished chrome flap - with black frame.

• 31204.1 - Polished gold aluminium (brass effect) flap - with black frame.

• 31204.2 - Polished brass flap - with black frame.

Dimensions:

• Overall frame size - 272mm x 70mm

• Apperture size - 221mm x 37.5mm

• Sleeve depth - minimum 40mm - maximum 80mm

• Flap opening angle 180 degrees

Sold Per:

• Sold as a set.

• Set includes inner and outer sleeved flaps with internal brush and intumescent seal.