fermacell® 2H11 Timber Joisted Floor/ Ceiling - Timber joist ceiling lining.
Verified by manufacturer 9 months ago
Timber joist ceiling.
Application
Timber joist ceiling.
Description
Timber joist ceiling 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 | Manufacturer guidancePainted, as required. |
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 |
Height | 218 mm Guidance for specification option: ≥. 221 mm Guidance for specification option: ≥. |
Uniclass | |
CAWS | K40/20 Board-suspended ceiling systems K40/115 Unit/ modular suspended ceiling system K40/265 Infill units K40/135 Board-suspended ceiling system K40/10 Unit/ modular suspended ceilings |
Specification data - Board suspended ceiling systems
System performance | EI 30 fire rating from below. |
Suspension grid | 170 x 70 mm timber joists at maximum 610 mm centres with 18 mm chipboard structural floor deck. |
Suspension grid fasteners | Timber battens 50/30.Resilient bar.Guidance for specification option: At max 400mm centres. |
Insulation | Mineral wool insulation. |
Barriers in ceiling void | |
Fire barriers | From below. |
Linings | |
Inner layers | 10 mm fermacell®.12.5 mm fermacell®. |
Fasteners | 30 mm fermacell® screws at max 200 mm centres. |
Joint treatment | fermacell® Jointstik 1 mm glued joint.fermacell® Jointfiller 5–7 mm filled joint. |
System accessories | Manufacturer guidanceUse correct accessories as per manufacturers guidelines. |
Execution | Manufacturer guidanceInstalling boarded ceilings. |
System completion | Verification of performance. |
Joists | 170 x 70 mm. Guidance for specification option: @ max. 610 mm c/c. With 18 mm T&G chipboard structural floor deck. Manufacturer guidanceTimber joists. |
Substructure | Timber battens 50/30. Resilient bar. |
Height | ≥ 218 mm. ≥ 221 mm. Manufacturer guidanceSystem height. |
Board size | 2400 x 1200 mm. 2700 x 1200 mm. 3000 x 1200 mm. Manufacturer guidancefermacell® fibre gypsum board. |
Density | 1150+50 kg/m³. Manufacturer guidancefermacell® fibre gypsum board. |
Water vapour diffusion resistance | 13 μ. Manufacturer guidancefermacell® fibre gypsum board. |
SpecificHeatCapacity | 1.1 kJ/kgK. Manufacturer guidancefermacell® fibre gypsum board. |
Hardness | 30 N/mm². Manufacturer guidancefermacell® fibre gypsum board. |
ThicknessSwelling | < 2%. Manufacturer guidancefermacell® fibre gypsum board. |
Shrinkage | 0.25 mm/m. Guidance for specification option: At 30% change in relative humidity (20°C). Manufacturer guidancefermacell® fibre gypsum board. Extension/shrinkage. |
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. Guidance for specification option: Usage classification to EN 1995-1. Manufacturer guidancefermacell® fibre gypsum board. |
ThermalExpansionCoefficient | 0.0001 %/K. Manufacturer guidancefermacell® fibre gypsum board. |
ThermalConductivity | 0.32 λ. Manufacturer guidancefermacell® fibre gypsum board. |
Literature
fermacell® Specification Guide