These plastic vents are called PRV-50, they don’t make it anymore—They are notoriously bad.  When you know these PRV-50 Vents, you’re gonna get them off of your roof immediately and replace them with a metal vent that will last 30 to 40 years

If you have plastic vents on your roof, a large percentage of them are leaking because they are inferior in the desert. they crack and many of them leak for years and turn to mold. A lot of times they’re not caught quick enough because the insulation catches the moisture for long periods of time… Read More

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