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Type 4 -
Fire attack from below / Loadbearing


With up to 120 minutes fire resistance
Integrity & Insulation
Please consult Promat for ceiling spans details
  (Perimeter details)

PROMATECT®-H
Board Thickness Stability
Rating
Integrity
Rating
Insulation
Rating
2 x 12mm 120 minutes 120 minutes 120 minutes

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System Specification

Ceilings for timber floor protection are to be constructed using PROMATECT®-H matrix engineered mineral boards all in accordance with the Architectural Specification in the manufacturer’s handbook. Relevant constructions are to be selected according to the required FRL 120/120/120 minutes of the selected elements. All printed installation details are to be followed to ensure approval to BS476: Part 21. All work to be certified by installer in an approved manner.

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Type 4   Fixing details    


Type 4 - Fire attack from below
Fire Rating
  FRL   120/120/120
  STANDARD   BS476: Part 21: 1987
  APPROVAL   BRE letter FRO 512/2
FT 92/309/BS (22nd Dec 1992)

Acoustic
  # STC
# R w
  45dB
45dB
  STANDARD   ISO140: Part 3: 1996
ISO717: Part 1: 1996
  PREDICTED
ASSESSMENT
  Marshall Day
17th August 2007

Construction
  CEILING THICKNESS   280mm
  CEILING MASS   From 30kg/m³

#

Margin of error is generally within ±3dB.

 
 
 
 
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