Cartoon Network

05 November 2012

[DIY] Re: Metal vent pipe

 

If it is a sewer vent pipe, it is to allow air in and out to break the siphoning effect of water as it flows through. It is not an opening into your house. A screen wire mesh could be put around it although there is usually no problem with them being open and uncovered.

--- In DoIt_Yourself@yahoogroups.com, "Tori" <fertilegrnd@...> wrote:
>
> This is located on the roof sticking up 1 foot from what is flat roof of an 1story addition. My concern is that it is open, there is no seal and wondering if there is a purpose or why it doesnt have screen on it and should it. Opening for rodents to go down?
>

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