Had a similar issue with a flat roof once—thought we had the slope just right, but ended up with a mini lake after heavy rain. Curious, did you end up adjusting the slope angle or just add extra drainage points?
Honestly, slope angle might not always be the culprit here. I've seen roofs with perfect slopes still pond due to subtle dips or uneven insulation layers underneath. Did you check for any low spots or insulation inconsistencies before adding drainage?
Good point about the insulation—it's often overlooked. I've had cases where clients spent a fortune on drainage solutions only to realize later that the insulation beneath was unevenly compacted during installation. The water pooled exactly in those subtle dips...talk about frustrating. Sometimes it's worth peeling back a small section of roofing to check what's going on underneath before jumping into bigger fixes, saves headaches down the line.
That's exactly why I always recommend checking insulation first. Had a similar issue myself—thought it was gutter trouble, but turned out the insulation had settled unevenly. Quick fix once we knew, and way cheaper than redoing drainage. Lesson learned...
Checking insulation definitely makes sense, but I'd caution against jumping straight to that conclusion every time. Roof issues can be tricky, and sometimes symptoms overlap—like moisture buildup or uneven heating. Had a similar experience myself a couple years back: insulation seemed fine at first glance, but after some poking around, turned out the attic ventilation was inadequate. Ended up installing a couple extra vents, and the problem cleared right up without touching insulation or gutters.
So yeah, insulation's important—but it's just one piece of the puzzle. Curious if anyone here has dealt with ventilation problems specifically? Seems like that's often overlooked...
