Eased sideways and felt for a drainpipe running down from the roof gutter.
"That means that a single neglected roof gutter can produce hundreds of new mosquitoes each day," he added.
In the rain, though, the Blazer's lack of roof gutters was instantly apparent.
He crouched at the edge, looking down, trying to keep his weight off the rusty roof gutter.
It would be fed by rainwater piped from the roof gutters.
I got my door open and began to struggle out, grabbing onto the roof gutter for support.
But the rain pounding the windows and streaming from roof gutters does not tell the whole story.
Blood trickled from the upstairs landing like rain from a roof gutter.
The £500 repairs include the renewal of roof gutters and repointing works.
Starting with roof gutters, he struggled for decades to keep the place physically together and seemed, finally, to be winning the battle.