Fire and Smoke Resistant Letterplate
Description

Tested in accordance with the principles of BS 476 Pt 20/22 and has been shown to provide in excess of 30 minutes fire resistance.

Features:

  • Telescopic intumescent liner, making it suitable for different thicknesses of door.
  • Robust aluminium construction.
  • Tested with positive pressure and can be located in any area of the door.
  • CERTIFIRE approved, certificate number CF219 (letterplate manufactured by Paddock Fabrications Ltd).
  • Nylon brush seals fitted to prevent vision through the letterplate and provide draught proofing.
  • Security cowl available to prevent vision through the letterplate when open, and to inhibitmanipulation of locks and bolts.

Acoustic Performance:

Under test conditions it has been demonstrated that the Firemaster letterplate does not cause any significant reduction to the overall acoustic performance of the solid core fire door to which it is fitted.

General information

Finish

Aluminium

30 minutes fire protection (High Performance).

Brass

60 minutes fire protection (High Performance).

Brushed stainless steel

60 minutes fire protection (High Performance).

Gold anodized aluminium

30 minutes fire protection (Firemaster).

Silver anodized aluminium

30 minutes fire protection (Firemaster).

Features

Telescopic intumescent liner, making it suitable for different thicknesses of door

Robust aluminium construction

Tested with positive pressure and can be located in any area of the door

CERTIFIRE approved, certificate number CF219 (letterplate manufactured by Paddock Fabrications Ltd)

Nylon brush seals fitted to prevent vision through the letterplate and provide draught proofing

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Uniclass 2015

Pr_40_30_50_49 Letter platesPrimary

CAWS

L20/20 Wood flush doors

L20/230 Wood flush doors

L20/25 Wood panelled doors

L20/250 Wood panelled doors

L20/270 Wood doors

L20/280 Doors

L20/30 Wood doors

L20/410 Wood doorsets

L20/420 Wood doorsets

L20/430 Wood doorsets

L20/480 Doorsets

L20/55 Doorsets

P21/52 Letter plates

P21/730 Letter plates

Specification data - Letter plates

Product Reference

Firemaster Fire and Smoke Resistant Letterplate Ref: LRJS 29063

High Performance Fire, Smoke and Security Letterplate Ref: LRJ 8042F

High Performance Fire, Smoke and Security Letterplate Ref: LRJ 8042S

High Performance Fire, Smoke and Security Letterplate Ref: LRJ 8047F

High Performance Fire, Smoke and Security Letterplate Ref: LRJ 8047S

High Performance Fire, Smoke and Security Letterplate Ref: LRJ 8052F

High Performance Fire, Smoke and Security Letterplate Ref: LRJ 8052S

Finish

Aluminium

30 minutes fire protection (High Performance).

Brass

60 minutes fire protection (High Performance).

Brushed stainless steel

60 minutes fire protection (High Performance).

Gold anodized aluminium

30 minutes fire protection (Firemaster).

Silver anodized aluminium

30 minutes fire protection (Firemaster).

Security

Security Cowl

Security Latch

Post-box

Standard product features

Maximum/ minimum door thickness (suffix F indicates fire protection; suffix S indicates smoke protection):

  • LRJ 8042F or LRJ 8042S: 42 mm/ 47 mm.
  • LRJ 8047F or LRJ 8047S: 47 mm/ 52 mm.
  • LRJ 8052F or LRJ 8052S: 52 mm/ 57 mm.

Dimensions:

312 x 80 mm.

Door aperture size:

270 x 60 mm.

Product Options

Optional Security Features:

  • Security Cowl: Prevents people seeing through the open letterplate. Stops people trying to manipulate locks and bolts through the letterplate and inhibits attempts to attack occupants through the letterplate aperture. Ref: LP10.
  • Security Latch: Locks the inner flap. Ref: LP11.
  • Post-box: This item is constructed from steel with welded seams and collects the post and keeps it secure. It also prevents damage from flammable or noxious items posted through the letterplate. Ref: LP12.

Literature
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