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Cold Rolled Products

Fire & Acoustic Performance

Floor Construction
Wall Graphic Build Up

Acoustic Insulation

DnTw

Fire Resistance
 

-18mm Chipboard
-Hi-SPAN Channel Sections
-12.5mm Plasterboard

33dB 30 min
  -18mm Chipboard
-Hi-SPAN Channel Sections with 100mm
  mineral wool insulation between channels
-12.5mm Plasterboard
42dB 30 min
  -19mm Cement Particle Board
-100 Resilient Layer (min)
-Hi-SPAN Channel Sections with 100mm mineral
  wool insulation between channels
-2 layers of 15mm Plasterboard
52dB 60 min
 

-18mm T&G Chipboard
-19mm Plasterboard
-25-30mm mineral wool or glass wool insulation
-Chipboard, OSB or Plywood
-Hi-SPAN Channel Sections with 100mm mineral
  wool insulation between channels
-Resilient Bars
-2 layers of 15mm Plasterboard

57-60dB 60 min

 

Wall Construction
Wall Graphic Build Up

Acoustic Insulation

DnTw

Fire Resistance
 

-12.5mm Plasterboard
-Hi-Wall Stud Sections
-12.5mm Plasterboard

35dB 30 min
  -12.5mm Plasterboard
-Hi-Wall Stud Sections with mineral wool between studs
-12.5mm Plasterboard
45dB 30 min
  -2 layers of 12.5mm Plasterboard
-Hi-Wall Stud Sections with mineral wool between studs
-2 layers of 12.5mm Plasterboard
50dB 30 min
  -2 layers of 12.5mm Plasterboard
-Resilient Bars
-Hi-Wall Stud Sections
-Resilient Bars
-2 layers of 12.5mm Plasterboard
58-60dB 30 min
 

-2 layers of 12.5mm Plasterboard
-Hi-Wall Stud Sections
-Mineral Woll between stud walls
-Hi-Wall Stud Sections
-2 layers of 12.5mm Plasterboard

60-65dB 30 min

 


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