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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
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General: Thermal bridge calcs for complex building

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    • CommentAuthorJulio
    • CommentTimeFeb 16th 2023
     
    I am aware that the approved construction details can no longer be used for SAP and Psi values need to now be provided.
    Have got a project doing a new build that incorporates 2 barns, with a large wrap around extension, so has LOTS of junctions of different materials (e.g. stone with EWI, stone with IWI, timber frame to stone etc etc) and insulation types. A bit of a nightmare for this!
    The extension is going to be constructed out of 245mm timber I-beams with blown in cellulose, does anyone know where to access any Psi values for this build up?
    What is the most cost effective way to get a Psi value for all of these other junctions? Any advised companies? I think the software and learning etc might be too much for me right now.
    • CommentAuthortony
    • CommentTimeFeb 16th 2023
     
    I reckon you need a building physics consultant to help you, they can also do overheating analysis which will infor necessary shading, insulation levels vs cost effectiveness, total heating demand, hopefully you will design out the need for cooling but that too if needed

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