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Bausystem
ThermalWall System

Komponenten-Id: 1632wa02
Hersteller: Legalett
Kategorie: Wandsystem 
Konstruktions-Typ: Holzleichtbau 
Fenster: Analysis was undertaken using a high quality Passive House window with a Uw-value of 0,60 W/(m²K) using a Ug of 0,52 W/(m²K), a Super-Spacer Triseal and polysulfide secondary seal. The installed U-value meets the comfort requirement of Passive House buildings using a reference size of 1,23 m by 1,48 m. 
Luftdichtheit: The airtightness of the system is achieved through the use of an airtight membrane, fixed to the inside of the structural layer and behind the service cavity. Joints are secured with specialist air tightness tape. The system also includes a wind- and waterproof membrane, fixed to the outside of the exterior insulation, with joints secured as above.  Windows are installed with suitable air tightness sealing tapes. 
Erläuterung: Lightweight timber wall system of 1.5" by 5.5" timber studs at 17.5" centers, enclosing Roxul Rockwool insulation (0.036 W/(mK)) and covered to the exterior with 8" of EPS (0.036 W/(mK), Type 2 according to CAN/ULC-S701-05 and -011 - this value remains stable where the EPS is protected from water ingress). Typical timber roof by others with typical insulation at 0,040 W/(mK). Floor slab of 8" of reinforced concrete with 8" of EPS (0.036 W/(mK), Type 2 according to CAN/ULC-S701-05 and -011 - this value remains stable where the EPS is protected from water ingress) to the underside. Point fixings have been modelled three-dimensionally and taken into account in the certified U-value. The system has undergone analysis by the Passive House Institute against the thermal performance criteria for wall systems and has been deemed suitable for the construction of passive houses in both cold and cool-temperate climates. 
Klimazonen: Kalt

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