Mike Lamb Posted May 28, 2016 Report Posted May 28, 2016 This is the first time I have ever seen any scorching of any material in touch with a B-vent. Although the real culprit here is probably having a connection at the floor penetration which is a no-no. Click to Enlarge 58.74 KB
Marc Posted May 28, 2016 Report Posted May 28, 2016 There should be a heat shield at the floor diaphragm. Marc
David Meiland Posted May 28, 2016 Report Posted May 28, 2016 People will squirt that foam on anything.
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