The vent stack and chimney have been leaking and it has been getting worse. I erected this tower and built a ladder up to the peak, removing sheet metal screws from the roof and replacing them with rungs fixed by 4-inch GRKs. I installed a new metal/rubber flashing over the rather ad hoc one made by Keith's crew, and caulked them both. Then I sealed up the upper rim of the chimney, screwed a rain cap on, and bolted and caulked on a water deflector that Boris assembled while I was working. We've had heavy rains since and not a drop has crept in. Good!
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