there probly wont be that many "joinery" joints in a conservatory i wouldnt imagine,barr mortice and tenons,half laps/cuts,birdsmouths( if u could call that a joint..??),and mitres and such. if you google "joinery techniques" or something like that there are hundreds of results,some better than others.
probly worth throwing "douglas fir" into a search 2 learn about specific problems,properties,how to best work with it etc..
theres also some great american sites ive noticed offering advice on hand cut roofs and stuff which might be helpfull...?! also sum stuff on youtube and all over the place on router work which might come in handy depending on how u planning to do all ur rebates etc
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