John Dirks Jr Posted August 28, 2010 Report Posted August 28, 2010 I was on a 1992 colonial today. The roof was relativly new but had fabricated lead boots. I could lift the cap off and see the PVC underneath. Never seen that before. Are these guys the "best practice" type or what? Click to Enlarge 65.02 KB Click to Enlarge 65.71 KB
mgbinspect Posted August 28, 2010 Report Posted August 28, 2010 Nice indeed. A similar product was touched upon within the last few weeks, if it's helpful.
Jim Katen Posted August 28, 2010 Report Posted August 28, 2010 I was on a 1992 colonial today. The roof was relativly new but had fabricated lead boots. I could lift the cap off and see the PVC underneath. Never seen that before. Are these guys the "best practice" type or what? They're good practice. Remember that, strictly speaking, the PVC isn't supposed to be left exposed to UV. A common problem with them is that squirrels will develop a taste for the lead. I rarely see them without little squirrel chew-marks on them. Every so often, I'll find them completey eaten up. - Jim Katen, Oregon
Inspectorjoe Posted August 28, 2010 Report Posted August 28, 2010 I've never seen it done like that. I occasionally see something like this: Click to Enlarge 26.36 KB In a cold climate the restriction can allow frost to build up and plug the opening. Here's a low rent version: Click to Enlarge 53.21 KB Click to Enlarge 47.03 KB I'm still scratching my head over that one. The best I can figure is the vent is too small and the builder slipped the bigger piece over it to fool the muni inspector.
John Dirks Jr Posted August 28, 2010 Author Report Posted August 28, 2010 Whats the hooked vent for Joe? Maybe they were trying to provide separation between those two.
Inspectorjoe Posted August 28, 2010 Report Posted August 28, 2010 I don't recall, John. I doubt I figured it out. I just looked at the report and my only comment was that they are to close to the windows. I don't know of any prohibition on the return bend. I don't know if I ever saw another one on a stack vent. Maybe someone here knows why you would use it.
hausdok Posted August 28, 2010 Report Posted August 28, 2010 I don't recall, John. I doubt I figured it out. I just looked at the report and my only comment was that they are to close to the windows. I don't know of any prohibition on the return bend. I don't know if I ever saw another one on a stack vent. Maybe someone here knows why you would use it. It looks like the intake and exhausts on Cat IV furnaces that I see around here. Was there a furnace in the area below there? ONE TEAM - ONE FIGHT!!! Mike
Inspectorjoe Posted August 28, 2010 Report Posted August 28, 2010 No, the furnace is in the basement and it's vented though the wall. Around here, Cat IV furnaces usually aren't used in attics because of the chance of the condensate freezing. When they are used, sometimes an insulated 'room' is built to enclose them.
robert1966 Posted September 4, 2010 Report Posted September 4, 2010 Yeal, most of the hooked or elbow vents I see here are for the Cat IV or high E furnace intakes and exhaust.
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