Suspended ceiling system with two layers of Fermacell Gypsum Fibreboard.

General information

Uniclass 2015

Ss_30_25_10_35 Gypsum board suspended ceiling systemsPrimary


K10/220 Proprietary suspended ceiling system

K10/50 Suspended ceiling system on metal framing

Specification data - Gypsum board suspended ceiling systems

Product Reference

Fermacell 2S11 UO Suspended Ceiling System

Secondary grid centres

350 mm


Two layers 10 mm Fermacell

Two layers 12.5 mm Fermacell


Not required

Fermacell Fine Surface Treatment (FST)

Joint treatment

Fermacell Jointstik 1 mm glued joint

Square edged boards.

Fermacell Joint Filler 5–7 mm filled joint

Site cut boards.

Fermacell Joint Reinforcement Tape and Fermacell Joint Filler

Taper edge boards. N.B When using Tapered Edge Boards, first layer must be a Square Edge Board, for double layer systems.

Standard product features

Fire resistance:

30 minutes.

Lining fixings:

30 mm Fermacell screws at 300 mm centres and 40 mm Fermacell screws at 200 mm centres.

Insulation (minimum density):

40 mm mineral wool: 30 kg/m³.

Suspension system:

MF system to manufacturer's specification.

Construction depth:

130 mm.

Recycled content:

Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable.

Other requirements:

Fire stopping around service penetrations. Frame out openings with the same number of layers of board as per above specification. Sockets backed using baffle boxes, intumescent putty pads or suitable rock mineral wool, sufficient to maintain the fire/acoustic performance.

Movement joints are required at maximum 8 linear metre intervals.

Refer to manufacturer's literature. Vapour barrier as required for high humidity areas.

Offset all board joints by minimum 200 mm.

Environmental information

Recycled content

Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable


Fermacell Orange Book

Fermacell Orange Book

Fermacell Product Selector

Fermacell Product Selector

Third party certifications

  • 90/2439
  • ETA
  • ECO Institute

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