Not being an experienced handyman, took me some time to understand all the points that you made. I was already thinking of putting DPC to hang at the bottom so that more water goes down and away. I was even considering a door canopy above the large window on a side, to protect that area from...
Thanks - I wish I knew this from the start... I had wooden shed, not custom made like this one, and it lasted for more than 20 years, would have still fine if I set it up right from the start (it was too low). And I still never had such water ingress issues. It was 'normal', gable roof though...
You are right, I should have included some photos, as that is surely contributing to my issues - there are basically no proper eaves (it's pent roof) and there is a gutter, on the short side.
I'll attach what I have handy now, it's not great photo, but you can see what it looks like.
I have a timber potting shed built approx. 19 months ago. Construction is horizontal shiplap cladding fixed to a timber frame. Internally it is lined with OSB, except on the wall with the large window, where the lower part is OSB and the upper part is internal shiplap. There is rigid Unilin...
Can you describe the issue, is the Search box there/visible, and you can enter the search string in it but then nothing happens? What exactly did you try so far to fix it?