zandchome Posted July 4, 2015 Report Share Posted July 4, 2015 Has anyone seen this during an inspection. Found 6 melted vent baffles during an inspection. Baffles were located in the garage attic area and main attic area. Home is located in southwestern Illinois. Temperature outside was 75 degrees - attic temperature was below 100 on the day of the inspection. Baffles located in the northwest and southeast corners of the attic. House is approximately 9 years old. No evidence of burn marks on the roof sheath, trusses or paper backing on the insulation. No evidence of outside fires below the soffits. Thoughts, opinions, facts? Photo shown is the worst of the 6. Click to Enlarge 50.34 KB Quote Link to comment Share on other sites More sharing options...
Robert Jones Posted July 4, 2015 Report Share Posted July 4, 2015 Possibly a manufacturer defect? Quote Link to comment Share on other sites More sharing options...
Marc Posted July 4, 2015 Report Share Posted July 4, 2015 Is there a dryer or range hood exhaust beneath it, discharging into the attic? Marc Quote Link to comment Share on other sites More sharing options...
Scottpat Posted July 4, 2015 Report Share Posted July 4, 2015 I would say that was caused by chemicals. Bug spray, Roach Bombs , Wasp spray, etc?. Anything with a petroleum based ingredient or even Pine oil will melt those baffles. Quote Link to comment Share on other sites More sharing options...
kurt Posted July 4, 2015 Report Share Posted July 4, 2015 What Scott said. Someone was killing wasps in the soffit vents. Quote Link to comment Share on other sites More sharing options...
mlparham Posted July 5, 2015 Report Share Posted July 5, 2015 I would say that was caused by chemicals. Bug spray, Roach Bombs , Wasp spray, etc?. Anything with a petroleum based ingredient or even Pine oil will melt those baffles. That makes sense to me. I was thinking maybe a grass fire but I think Scott nailed it. Quote Link to comment Share on other sites More sharing options...
Jim Baird Posted July 6, 2015 Report Share Posted July 6, 2015 ...or a bad batch of eps that melted at low temps?? Quote Link to comment Share on other sites More sharing options...
Erby Posted July 6, 2015 Report Share Posted July 6, 2015 Spray some bug spray on an egg carton and see what happens to it! Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted July 6, 2015 Report Share Posted July 6, 2015 But spray contains acetone? Acetone + styrene = toluene and acetylene. Probably not good stuff to have in the attic. Quote Link to comment Share on other sites More sharing options...
Les Posted July 6, 2015 Report Share Posted July 6, 2015 But spray contains acetone? Acetone + styrene = toluene and acetylene. Probably not good stuff to have in the attic. likely ok unless you have an unvented fireplace. Quote Link to comment Share on other sites More sharing options...
mlparham Posted July 6, 2015 Report Share Posted July 6, 2015 But spray contains acetone? Acetone + styrene = toluene and acetylene. Probably not good stuff to have in the attic. I am very disappointed that my but spray contains acetone. I think that I will no longer be having but spray on a saltine. Quote Link to comment Share on other sites More sharing options...
kurt Posted July 6, 2015 Report Share Posted July 6, 2015 You guys need to stop spraying stuff on your but(t)s. Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted July 6, 2015 Report Share Posted July 6, 2015 Damned touch screens. Worst invention ever. Big. But. Bug. I had to type bug twice because auto correct is the second worst invention ever. Quote Link to comment Share on other sites More sharing options...
gtblum Posted July 7, 2015 Report Share Posted July 7, 2015 Spray some bug spray on an egg carton and see what happens to it! Three egg cartons sprayed and all I see is dark cardboard. Quote Link to comment Share on other sites More sharing options...
Erby Posted July 8, 2015 Report Share Posted July 8, 2015 Well, geeze, Gary. You gotta use the light colored paint, not the darker paints! Quote Link to comment Share on other sites More sharing options...
zandchome Posted July 27, 2015 Author Report Share Posted July 27, 2015 No dryer, range hood or fireplace vents in the area. I will try the bug spray experiment. Quote Link to comment Share on other sites More sharing options...
nsl8r Posted September 4, 2015 Report Share Posted September 4, 2015 Check this out. Was a hot day. Don't think it's due to direct sunlight, but excessive heat. This was not a test case. Quote Link to comment Share on other sites More sharing options...
nsl8r Posted September 4, 2015 Report Share Posted September 4, 2015 Check this out. It was a hot day and effect was due to excessive heat. This was not a test install. We informed manufacturer but never received a response. Quote Link to comment Share on other sites More sharing options...
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