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fermacell® 3S21-A1 Independent Lining

Verified by manufacturer 8 months ago

105 mm wall thickness

James Hardie Building Products Ltd Variant:

Independent lining system based on fermacell® Firepanel A1.

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Application

Independent dry linings. Suitable for public buildings where dry construction methods are used.

Description

Independent, metal stud lining system based on fermacell® Firepanel A1. fermacell® Firepanel A1 is a new dimension in fire protection for dry linings. The innovative development of the original fermacell® Gypsum Fibreboard complies with construction materials class A1 (non-combustible). A1 classification for linings are increasingly being specified throughout Europe for public buildings where dry construction methods are used. The reason is the harmonisation of fire safety tests and fire protection classifications, which have resulted in more stringent national requirements for construction materials and building elements


Features and benefits:

  • Homogeneous fibre-reinforced gypsum board with paper fibres and additives of non-combustible fibres with inherent moisture resistance.
  • Complies with the highest European building material class A1 (EN 13501-1).
  • Provides even more efficient and slimmer components in fire protection than the well-known fermacell® fibre gypsum board.
  • Installation is just as quick as the original fermacell® fibre gypsum board.

General information

Color

Grey

Manufacturer guidance

Board colour.

Finish

Unfinished

Manufacturer guidance

Painted ,Tiled, as required.

Material

Gypsum

Guidance for specification option:

Homogeneous fibre-reinforced gypsum board with paper fibres and additives of non-combustible fibres.

Shape

Rectangle

Length

2000 mm

1500 mm

Width

1250 mm

1000 mm

Uniclass

Ss_25_10_30_35 Gypsum board partition systemsPrimary

CAWS

K10/30 Metal stud

K10/155 Wall lining system (metal studs)

Specification data - Gypsum board partition systems

System performance

To EN 1364-1, EI 60 minute fire rated lining.

Framing

75 mm fermacell® steel studs.

Guidance for specification option:

50 mm fixing face, 0.6 mm gauge.

Insulation

Not required.

Fire separation

-

Cavity fire barriers

Fire-resistant gypsum plasterboards

Fire-stopping

To EN 13501-1, class A1 non-combustible.

Linings

-

Inner layers

15 mm fermacell® Firepanel A1.

Face layer

15 mm fermacell® Firepanel A1.

Fasteners

Inner layer, 30 fermacell® screws; Outer layer, fermacell® screws and 25–28 mm diverging staples.

Guidance for specification option:

  • Inner layer: At maximum 250 mm centres.
  • Outer layer: At maximum 150 mm centres in rows of maximum 400 mm centres.

Joint treatment

fermacell® Jointstik 1 mm glued joint.

Guidance for specification option:

Square edged boards.

fermacell® Jointfiller 5–7 mm filled joint.

Guidance for specification option:

For site cut boards.

Finish

Not required.

fermacell® Fine Surface Treatment (FST).

System accessories

-

Manufacturer guidance

Use correct accessories as per manufacturers guidelines. Insert requirements.

Execution

-

Manufacturer guidance

Installing framed partitions generally.

System completion

Verification of performance.

WallThickness

105 mm.

Substructure

75 x 0.6 mm.

Manufacturer guidance

Max. 600 mm centres.

Density

1200 + 50 kg/m³.

Manufacturer guidance

Firepanel A4 board.

Flexural strength

> 5.8 N/mm².

Manufacturer guidance

Firepanel A4 board.

Water vapour diffusion resistance

16 μ.

Guidance for specification option:

To EN ISO 12572.

Manufacturer guidance

Firepanel A4 board.

ThermalConductivity

0.38 W/mK.

Guidance for specification option:

To DIN EN 12667.

Manufacturer guidance

Firepanel A4 board.

Shrinkage

0.25 mm/m.

Guidance for specification option:

At 30% change in relative humidity (20°C). According to EN 318.

Manufacturer guidance

Firepanel A4 board.

MoistureContent

1.30 %.

Guidance for specification option:

At 65% relative humidity at 20 °C air temperature. To EN 322.

Manufacturer guidance

Firepanel A4 board.

CompressiveStrength

> 18 N/mm².

Manufacturer guidance

Firepanel A4 board.

pH value

7–8.

Manufacturer guidance

Firepanel A4 board.

Elasticity

> 4500 N/mm².

Manufacturer guidance

Firepanel A4 board.

Sheathing board

2 x 15 mm.

Sound performance

≥ 22 dB.

Board size

1500 x 1000 mm.

2000 x 1250 mm.

Literature

fermacell®  Specification Guide

fermacell® Specification Guide

fermacell ISO 9001 Certificate

fermacell ISO 9001 Certificate

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