Q: I’m re-roofing my barn with metal roofing. I was thinking of extending the roof 18 inches past the walls so dripping water falls farther away from the barn. Right now I’ve got gutters, and I’m ...

I know many of you have followed my recommendation to run your downspouts into that black, flex pipe — and then buried it to get it out of the way. But sometimes the terminations of those extension ...