WWilts Posted January 8, 2022 Share Posted January 8, 2022 Lean to will be built, against 2 existing external walls of natural stone (limestone). See drawing. Outer leaf reconst stone. Inner might be stick build/SIPS or blocks. 1. How to fix the head plate to the natural stone? (red arrow) Is a trellis as drawn necessary, or will a single head plate suffice? 2. How to make the sloping abutment watertight? (blue arrow) Link to comment Share on other sites More sharing options...
Russell griffiths Posted January 9, 2022 Share Posted January 9, 2022 Chemical anchors and galvanised studs at 600 centres. 1 Link to comment Share on other sites More sharing options...
tonyshouse Posted January 9, 2022 Share Posted January 9, 2022 Leadwork for the blue arrow, soakers/secret gutter and cover into diamond cut slot above water line 1 Link to comment Share on other sites More sharing options...
Russell griffiths Posted January 10, 2022 Share Posted January 10, 2022 No trellis configurations needed, but if it is a vaulted roof you will need a restraint strap at the top end to prevent joists sliding away from the wall. 1 Link to comment Share on other sites More sharing options...
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