Marvin Posted May 17, 2023 Share Posted May 17, 2023 (edited) Does a porch loft have to have an access panel? It only has a foot print of 5m2 Which are the best designs when insulating a porch with a pitched roof, taking into consideration the porch structure will become part of the building thermal envelope? At this stage the design can be altered to any design. Edited May 17, 2023 by Marvin minor change. Link to comment Share on other sites More sharing options...
kandgmitchell Posted May 17, 2023 Share Posted May 17, 2023 No access panel required. Since this presumably has a flat ceiling then 300mm of fibreglass quilt? It sounds like it's not going to be a "porch" if it's going to be part of the thermal envelope so what does the building reg application say? 1 Link to comment Share on other sites More sharing options...
Marvin Posted May 17, 2023 Author Share Posted May 17, 2023 Hi @kandgmitchell and thanks Yes 300mm fluffy - and so vented. Was considering if warm roof or cold roof was easier. Either way U-value down to 0.18. Link to comment Share on other sites More sharing options...
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