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Hi I’ve stumbled across some very informative details on this forum with regards to portal frame builds and have a few questions that I’m hoping folk can help me with. We are looking to build a new church building for our congregation of +250 folk. We have been renting but in the current ‘covid’ climate, renting large buildings is likely to be difficult. One suggestion, to allow a quick build, has been to build a large portal frame building, Approx 17m wide by 22m long and 6m high (ridge) with a 6m wide ‘lean to’ running the full length. With regards to the main building, it will be entirely open to use as a sanctuary and my suggestion to overcome the steel frame thermal bridging problem would be to panel the entire inside of the building, flush with plain insulated PIR sandwich panels, walls and ceiling. One wall will have tall windows in it, one gable will likely have some windows in it, one gable will have very little in the way of windows and one wall will have a ‘lean to’ attached to it. The outside would ideally be panelled in ‘as attractive as possible’ sandwich cladding, possibly with a view to over cladding some of it with timber to improve asthetics. Acoustics will need to be considered, possibly by way of special ceiling panels? With regards to internal asthetics, I understand it could be a fairly clinical looking building but perhaps with decorative timber paneling half way up the wall and regularly spaced fake wooden pillars a warmer look may be achievable - these things could be added later, the main issue being the speed of build presently required. With regards to U/values, SAP calculations and general feasibility, does this idea sound plausible? All input is welcomed and thanks for letting me join the forum Ian