Home Inspection and Commercial Building Inspections, mold assessments including mold inspections and sampling, radon testing and water quality analysis in Nashville and Middle Tennessee.
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Look at the picture below. This is a roof-top vent cap for an HVAC furnace. What's wrong? HINT: Most metal vents are made of smooth metal. ANSWER: Dents come from impact. Unless there was a menacing contractor up there on the roof who went nuts with a hammer, these dents are likely caused by...