fermacell® 1S21 Insulated Partition - Insulated partition system
Verified by manufacturer 1 month ago
100 mm wall thickness.
100 mm wall thickness.
BBA Agrément Certificate
Certificate type
Insulated partition system with 60 minutes fire resistance.
Application
- For interior application on walls (load-bearing and non load-bearing), ceilings and floors.
- For use as sheathing on load-bearing and non load-bearing external walls.
- Can be used as a rainscreen backer board on external walls, when used in conjunction with a suitable breather membrane.
Description
Insulated metal stud partition system based on fermacell® Gypsum-Fibreboard linings. Homogeneous dry lining board made from recycled gypsum, recycled cellulose fibres from post consumer waste paper and recycled water.
Features and benefits:
- The board is light grey in colour.
- Available square edged.
- Marked on the rear face with the product name and identification.
- fermacell® fibre gypsum boards offer a wealth of advantages compared to conventional interior dry lining such as plasterboard.
- High performance building board that when installed offers the speed of dry-wall with the robustness of blockwork saving in space, time and money.
General information
Color | Grey Manufacturer guidanceBoard colour. |
Finish | Unfinished Painted Manufacturer guidanceFor other finishes refer to manufacturer's literature. |
Material | Gypsum Guidance for specification option: fermacell® Gypsum-Fibreboard consists of a homogeneous mixture of water, gypsum and cellulose fibre compressed at high pressure. |
Shape | Rectangle |
Length | 2400 mm 2700 mm 3000 mm |
Width | 1200 mm |
Warranty description | Manufacturer guidanceRefer to product warranty document |
Uniclass | |
CAWS | K10/125 Metal stud partition system K10/30 Metal stud |
Specification data - Gypsum board partition systems
System performance | To EN 1364-1 and BS 476-22, 60 minute fire rated partition. |
Framing | 75 mm fermacell® steel studs (50 mm fixing face, 0.6 mm gauge). |
Insulation | Stone mineral wool insulation. Guidance for specification option: 60 mm x 35 kg/m³. |
Resilient layer | Where required at junction interfaces. |
Linings | |
Face layer | 12.5 mm fermacell® gypsum-fibreboard each side. |
Fasteners | 30 mm fermacell® screws at maximum 250 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 | fermacell® Fine Surface Treatment (FST). |
System accessories | Manufacturer guidanceInsert requirements; use correct system accessories as per manufacturer's guidelines. |
Execution | Manufacturer guidanceInstalling framed partitions generally. |
System completion | Verification of performance. |
WallThickness | 100 mm. |
Substructure | 75 x 50 x 0.6 mm fermacell® studs. |
Board size | 2400 x 1200 mm. 2700 x 1200 mm. 3000 x 1200 mm. |
Thickness | 60 mm; 35 kg/m³. |
Density | 1150+50 kg/m³. Manufacturer guidancefermacell® fibre gypsum board. |
Water vapour diffusion resistance | 13 μ. Manufacturer guidancefermacell® fibre gypsum board. |
ThermalConductivity | 0.32 λ. Manufacturer guidancefermacell® fibre gypsum board. |
SpecificHeatCapacity | 1.1 kJ/kg·K. Manufacturer guidancefermacell® fibre gypsum board. |
Hardness | 30 N/mm². Manufacturer guidancefermacell® fibre gypsum board. |
ThicknessSwelling | <2%. Manufacturer guidancefermacell® fibre gypsum board. |
ThermalExpansionCoefficient | 0.0001% /K. Manufacturer guidancefermacell® fibre gypsum board. |
Shrinkage | 0.25 mm/m. Guidance for specification option: At 30% change in relative humidity (20°C). Manufacturer guidanceExtension/ shrinkage. fermacell® fibre gypsum board. |
MoistureContent | 1.3%. Guidance for specification option: At 65% relative humidity at 20 °C air temperature. Manufacturer guidancefermacell® fibre gypsum board. |
pH value | 7—8. Manufacturer guidancefermacell® fibre gypsum board. |
Usage | Type 1 and 2. Manufacturer guidanceUsage classification to EN 1995-1. fermacell® fibre gypsum board. |
Fire performance | To BS 476-2 and EN 1364-1, 60 minutes. |
Sound reduction | Rw 52–54 dB. |
Duty | Duty rating to BS 5234-2, severe. |
Build | 5370 mm. Manufacturer guidanceBuild height. |
Sustainability data
Material | Gypsum Guidance for specification option: fermacell® Gypsum-Fibreboard consists of a homogeneous mixture of water, gypsum and cellulose fibre compressed at high pressure. |
A1-A3 (production stage) | Embodied carbon as defined in BS EN 15804 |
Normalised unit | -0.5 kg CO₂ eq/kg |
Declared unit | -4.58E-1 kg CO₂ eq/kg Self-declared |
Recyclability | Manufacturer guidanceUncontaminated fermacell can be recycled at specific facilities. Unused board is also used in the manufacturing process as part of our continued recycling process |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 100 % Guidance for specification option: Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable. |
Expected Life | Lifetime |
Product certifications
BBA Agrément Certificate
BBA 90/2439
Literature
fermacell® Specification Guide
Similar products from James Hardie Building Products Ltd
fermacell® 1S14-H₂O Partition - Steel stud partition
fermacell® 1H13 Timber Stud Partition
fermacell® 1H21 Timber Stud Partition
fermacell® 1H22 Timber Stud Partition
fermacell® 1H24 Timber Stud Partition - Timber twin stud insulated partition
fermacell® 1H26 Twin Timber Stud Partition - Insulated Partition System
fermacell® 1H29 Timber Stud Partition
fermacell® 1S15 Partition - Partition system
fermacell® 1S15-H₂O Partition - Steel stud partition
fermacell® 1S22 Partition