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  ID Exterior Vent

  By Mike Lamb Wednesday at 05:39 PM

  Has anyone seen this type of vent? I hope its not for the furnaces.

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  Hi, I need help understanding the code for proper flue sizing for a furnace and hot water heater running to a common flue.

  By JoeZeppy412 October 18, 2025

  HI, I could use some expert opinions. I need to replace my heating ducts due to age and corrosion to the point of giant holes in them. They existed for 50 years concealed behind a false wall in my basement. The furnace was replaced in the mid nineties but it appears they just connected to the existing flue. When I tore the wall out for remodeling, I discovered the corroded flue pipe. I'm looking at a 100,000 BTU Category 1 fan assisted Rheem furnace. The furnace outlet is 3 inches, which ex

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  FRP Roof Covering

  By Chad Fabry October 9, 2025

  We added on to our old farmy Italianate house.  It's mostly done now - I still need to add a few layers of trim and some corbels. The original house has a Medina sandstone foundation I built the addition foundation of the same material.  The elevations of the addition ended up pretty close to two existing second-story windows that I didn't want to move. It left very little possibility for slope on the roof. So we built a hip roof with the lowest slope being about 1-1/2:12, and the stee

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  Garage outlet receptacle

  By Mike Lamb October 8, 2025

  I know. It should be a GFCI.

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  Streaks on brick wall evaluation

  By Mike Lamb August 5, 2025

  How should I evaluate the streaking beneath the south windows of this bldg. and then beneath the through-wall flashing?

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  Worn limestone exterior

  By Mike Lamb August 5, 2025

  I am wondering what advice I can give on the exterior limestone of this 17 year old building which is noticeably wearing away (spalling?). I’m not sure of the cause. Traffic pollution? The wearing away is not just confined to the lower areas.

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  Boiler corrosion concerns.

  By Mike Lamb July 18, 2025

  This is the underside of a cast iron steam boiler. The iron is corroded and rusting. The boiler was shut down for summer. Should this be evaluated further with the boiler running, or not so important? Peerless year 2012.

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• Water heater hot water trapper - good idea?

  By gawdyho June 13, 2025

  Any reason NOT to install a hot water trapper on the OUTPUT of my water heater like below? https://www.rusco.com/products/3-4-hot-water-sediment-trapper-filter   I recently had a dip tube break in my water heater and its clogging all my aerators. Seems to make more sense to prevent the stuff from getting there in the first place and ruining my appliances.

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