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Fermacell Therm25

Manufacturer	James Hardie Austria (fermacell)
Product group(s)	Gypsum fiber screed elements
Product images
Manufacturer's product description	Homogene, gipsgebundene Trockenbauplatte mit Papierfasern, werkseitig hydrophobiert
Processing	Verarbeitung nach aktueller Planung und Verarbeitung. Diese sind unter www.fermacell.at/at/downloads abrufbar
Details	Show detailed information from baubook
Platforms	Vorarlberg WBF klimaaktiv Kriterien Niederösterreich WBF ÖkoBauKriterien
Product Index	8700 ay

Dimensions
Format l x w	1,000 mm x 500 mm 500 mm x 500 mm
Thickness	2.5 cm
Building physics values
Lambda	0.32	W/(m·K)
μ Vapour diffusion resistance factor The water vapour diffusion resistance (μ value) is a parameter to determine the exchange of moisture of a construction material. The lower the μ value, the easier it is for vapour to penetrate a substance. Definition: Ratio of the vapour diffusion coefficients of the air and that of the relevant substance. Proof: Manufacturer information	13
ρ density Density (ρ) For solid materials, the nominal density is specified. For bulk materials consisting of granular solids, the bulk density is specified. For vegetation substrates, the bulk density in the dry state is specified. Proof: Manufacturer information	1150	kg/m³
c specific heat capacity The specific heat capacity (c) denotes the capacity of a body to store energy in the form of heat. Definition: Volume of heat, which must be conveyed to a body with a mass of 1 kg, to generate heating of 1 degree Kelvin. Proof: Manufacturer information	1100	J/(kg·K)
Usability
Combustibility class	A2
Smoke development	s1
Flaming droplets	d0

Retailer
Timeline	Jun 06, 2025 Last update / change with baubook quality assurance Jun 06, 2025 First declaration

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