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fermacell® 3S21-A1 Independent Lining
fermacell® 3S21-A1 Independent Lining

Verified 8 months ago

James Hardie Building Products Ltd

105 mm wall thickness

Verified 8 months ago

James Hardie Building Products Ltd

130 mm wall thickness

Summary
Independent lining system based on fermacell® Firepanel A1.
Independent lining system based on fermacell® Firepanel A1.
Color
Grey
Grey
Finish
Unfinished
Unfinished
Material
Gypsum
Gypsum
Shape
Rectangle
Rectangle
Length
2000 mm, 1500 mm
2000 mm, 1500 mm
Width
1250 mm, 1000 mm
1250 mm, 1000 mm

Specification

System performance
To EN 1364-1, EI 60 minute fire rated lining.
To EN 1364-1, EI 60 minute fire rated lining.
Framing
75 mm fermacell® steel studs.
100 mm fermacell® steel studs.
Insulation
Not required.
Not required.
Fire separation
-
-
Cavity fire barriers
Fire-resistant gypsum plasterboards
Fire-resistant gypsum plasterboards
Fire-stopping
To EN 13501-1, class A1 non-combustible.
To EN 13501-1, class A1 non-combustible.
Linings
-
-
Inner layers
15 mm fermacell® Firepanel A1.
15 mm fermacell® Firepanel A1.
Face layer
15 mm fermacell® Firepanel A1.
15 mm fermacell® Firepanel A1.
Fasteners
Inner layer, 30 fermacell® screws; Outer layer, fermacell® screws and 25–28 mm diverging staples.
Inner layer, 30 fermacell® screws; Outer layer, fermacell® screws and 25–28 mm diverging staples.
Joint treatment
fermacell® Jointstik 1 mm glued joint., fermacell® Jointfiller 5–7 mm filled joint.
fermacell® Jointstik 1 mm glued joint., fermacell® Jointfiller 5–7 mm filled joint.
Finish
Not required., fermacell® Fine Surface Treatment (FST).
Not required., fermacell® Fine Surface Treatment (FST).
System completion
Verification of performance.
Verification of performance.

Additional properties

WallThickness
105 mm.
130 mm.
Substructure
75 x 0.6 mm.
100 x 0.6 mm.
Density
1200 + 50 kg/m³.
1200 + 50 kg/m³.
Flexural strength
> 5.8 N/mm².
> 5.8 N/mm².
Water vapour diffusion resistance
16 μ.
16 μ.
ThermalConductivity
0.38 W/mK.
0.38 W/mK.
Shrinkage
0.25 mm/m.
0.25 mm/m.
MoistureContent
1.30 %.
1.30 %.
CompressiveStrength
> 18 N/mm².
> 18 N/mm².
pH value
7–8.
7–8.
Elasticity
> 4500 N/mm².
> 4500 N/mm².
Sheathing board
2 x 15 mm.
2 x 15 mm.
Sound performance
≥ 22 dB.
≥ 22 dB.
Board size
1500 x 1000 mm., 2000 x 1250 mm.
1500 x 1000 mm., 2000 x 1250 mm.