Environmentally-friendly insulation systems made from natural wood fibres We care about your well-being Innova Wood / ITD Conference 25.06.2007 Wood as an insulating and energy saving material Dipl. Ing. Uwe Klaus Lange
Africa, Middle East The company STEICO The company STEICO AG - Feldkirchen founded 1959 Headquarters Sales western Europe Technical dept. and R&D 42 employees STEICO S.A. - Czarnków STEICO S.A. CzarnaWoda STEICO Ltd - Dartford founded 1964 founded 1962 founded 2006 Production plant Production plant Sales UK and Ireland Sales eastern Europa Softboards 3 employees Softboards Hardboards Hampfibre insulation 186 employees Hardboards I-Joists 625 employees The company STEICO Ltd. North America STEICO S.A. STEICO AG Asia
The company Quality control Certified quality Production certified ISO 9001: 2000
Quality control Quality control strength properties Tests for the material the building parts universal testing machine for compression strength bending strength tensile strength shear strength testing facilities for loads of 10 kn 20 kn 100 kn Quality control Quality control material testing Determination of the fire class Measurement of the thermal conductivity Measurement of the wind-proofness
Product knowledge Product knowledge All in one wood as an insulating and energy saving material Construction Sheating Cavity Insulation Sound protection
Product Product range Products STEICO S.A. S.A. Construction Insulation for for roof roof and and ceilings ceilings Wood Wood fibre fibre Hemp Hemp for for walls walls loose loose fill fill flexible flexible pressure-proof flexible flexible pressure-proof Product knowledge Insulation from renewable resources Wood product without harmful additives Resistant against aging, as durable and natural as its raw material
The production Production of wood fibre insulation boards Wet processing system Dämmstoffe aus Holz Ökologisch. Ökonomisch. Gut. The production Dewatering machine (forming line) Drying and bonding of the boards on several layers End of the dryer and cutting process Final treatment of the boards
The production Production of wood fibre insulation boards Dry processing system Product Wood fibre - loose fill Note of authorization Thermal conductivity Density Packaging Z-23.11-1120 0,040 W/(m*K) 32 38 kg/m³ PE-bags of 15 kg
Product Wood fibre - flexible Size Thickness Thermal conductivity Density 1220 x 575 mm (625 / 670 mm) 40 200 mm 0,039 W/(m*K) 50 kg/m³ Produktkenntnis Wood fibre pressure-proof Double security Triple functionality: windtight waterresistant sheating insulation
Installation STEICOuniversal / STEICOspecial Product Size Thickness Thermal conductivity Density 1300 x 590 mm 2600 x 1180 mm (20) / 40 80 mm 0,049 W/(m*K) 250 kg/m³
Objects Energy saving High energy saving in winter resting air that is located between pores and interspaces effects thermal insulation carefully realized air-thightness and windproofness low thermal conductivity λ D (Lamda declare)
Summer heat protection Excellent heat protection in summer time low thermal conductivity λ high specific thermal capacity c p high density ρ low thermal diffusivity a perfect windproofness Summer heat protection Reduction of the temperature across a building component Amplitude attenuation Phase shift Phase shift up to 15 hours possible!
Summer heat protection Construction comparison Mineral fibre 1 roof tiles 2 lathing 3 counter batten 4 sarking membrane 5 mineral fibre 200 mm 6 vapour barrier 7 mineral fibre 40 mm 8 gypsum board 12,5 mm Thermal transmittance: Amplitude attenuation /1/TAV): 6 U = 0,18 [W/(m²*K)] Phase shift ϕ : 6.8 hours Summer heat protection Construction comparison 1 roof tiles 2 lathing 3 counter batten 4 sarking membrane 5 STEICO flex 200 mm 6 vapour barrier 7 STEICO flex 40 mm 8 gypsum board 12,5 mm Thermal transmittance: Amplitude attenuation /1/TAV): 12 U = 0,18 [W/(m²*K)] Phase shift ϕ : 11 hours
Summer heat protection Temperature range at the roof with different insulating material External temperature Internal temperature with mineral wool Internal temperature with wood fibre insulation Diffusion coefficient Diffusion coefficient and sorption Diffusion = mass flow from places of higher to places of smaller water vapour concentration Low diffusion resistance factor µ stands for a high diffusible building material µ = 5
Diffusion coefficient Diffusion coefficient and sorption moisture content mass [%]] moisture content mass [%]] 30 30 20 20 10 10 wood wood fibre fibre mineral mineral wool wool Sorption = adjustment of the moisture content of the material to the humidity A building material with sorption behaviour regulates the indoor climate (climate buffer) 0 0 0 0 20 20 40 40 60 60 80 80 100 100 relative humidity [%] relative humidity [%] Diffusion coefficient Moisture absorption 1 m³ wood fibre insulation Up to a moisture content of 20 % Moisture absorption of mineral wool: 2% Density: 25 kg/m³
Fire protection Building material and construction Tests according to EN standards Fire protection Building material Fire class DIN 4102: Euroclass: B2 E
Fire protection Construction Fire resistance class According DIN 4102 up to F90 B (90 minutes fire resistance) According to EN 13501 REI 30 up to REI 90 Wood fibre products have a favourable fire behaviour (carbonization) Sound protection Sound protection Roof construction Foam board insulation R w,r 37 bis 49 db Wood fibre insulation R w,r 43 bis 53 db
Product Product I-Joist Building System for walls Only forces along the I-Joist-axis allowed Just 6 mm NFB-web. Reduction of thermal bridging Available in a pre-insulatet option
Product Reduction of thermal bridging Installation of services Product Lightweight product High bearing capacity
External wall External wall facade with ventilated cavity Objects
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Market situation Potential jährlich units per errichteter year Wohneinheiten 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 3-Liter-Häuser Passivhäuser auf 3-Liter-Haus Niveau sanierte Häuser Quelle: Fraunhofer-Institut für Solare Energiesysteme Contact STEICO S.A. Ul. Przemyslowa 2 PL-64-700 Czarnkow phone: +48 (0) 67 35 60 999 telefax: +48 (0) 67 35 60 900 email: info@steico.pl www.steico.com
Contact STEICO AG Hans-Riedl-Straße 21 D-85622 Feldkirchen phone: +49 (0) 89-99 15 51-0 telefax: +49 (0) 89-99 15 51-99 email: info@steico.com www.steico.com