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Watch Ask This Old House Season 22 Episode 4 Online

  • 3.7/10
  • COUNTRIES: United States of America
  • Subtitles: English

Nathan Gilbert heads to Tulsa, Oklahoma to build a replacement utility cover. Ross Trethewey discusses low-level carbon monoxide exposure, symptoms, and differences in CO detectors and low-level monitors. Mark McCullough helps a homeowner clean out creosote build-up in their kitchen fireplace and explains the dangers of creosote build-up, options for removal, and the safety preparation involved.