jntabbycat Posted September 7, 2021 Share Posted September 7, 2021 Hi all, been a while since I’ve been on here but finally started the timber frame porch. I plan on adding some insulation on the outside of the 140mm concrete blocks. the screed is above the timber sole plate…not sure if that’s acceptable? any other pointers? Chris Link to comment Share on other sites More sharing options...
jntabbycat Posted September 8, 2021 Author Share Posted September 8, 2021 Wall detail too thoughts appreciated folks ? Link to comment Share on other sites More sharing options...
Marvin Posted September 8, 2021 Share Posted September 8, 2021 51 minutes ago, jntabbycat said: Wall detail too thoughts appreciated folks ? I had to have a minimum 25mm PIR over the inside face of the joists to keep BC happy. So ended with a whole 25mm layer of PIR after the studs and the VCL but before the plasterboard. Good luck M Link to comment Share on other sites More sharing options...
Marvin Posted September 8, 2021 Share Posted September 8, 2021 I like the cement board to hang down about 20mm below the bottom of the soleplate to create a drip. Link to comment Share on other sites More sharing options...
Marvin Posted September 8, 2021 Share Posted September 8, 2021 Think a 215mm block might work better with the DPC DPM block and junction. Good luck M Link to comment Share on other sites More sharing options...
jntabbycat Posted September 9, 2021 Author Share Posted September 9, 2021 9 hours ago, Marvin said: I like the cement board to hang down about 20mm below the bottom of the soleplate to create a drip. Good suggestion may cut the bottom of the battens at an angle so they come down a bit too. Also thinking of using marmox blocks under the sole plate as suggested on this forum. Link to comment Share on other sites More sharing options...
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