Homes can be full of strange noises. This is my story. Do you have one.
Last Saturday, around 7 AM I heard a loud, low-tone rumbling, with the beat of a jack-hammer. After realizing it wasn't the alarm, we began searching through the house trying to find the source. About this time last year we replaced the interior works of a toilet, because the plumber told us weak valves were the source of the same or similar noise.
After determining that the source of the noise was not a toilet, or the hot water heater, or the furnace, I checked the crawl space over the bedrooms. The noise could be heard (now a very sharp metallic sound), but the source was not seen. I did determine that the roof fan was not the source of this noise.
I now knew about where it was coming from, but not the reason. I would check that after breakfast, and went out to get the morning paper. As I walked down the driveway, I heard the sound again, behind me. Turning around and looking up, there on the roof was a woodpecker merrily hammering away at the metal vent for the furnace. I was laughing by the time I got back in the house. Had I only looked at the roof last year, I might have saved the cost of the plumbing repairs.
Robby