Should A Roof Vent Pipe Be Covered?

So, let’s talk about that little unsung hero on your roof – the roof vent pipe. You know, it’s like the chimney’s less glamorous cousin, but boy, does it do an important job. It’s basically your home’s way of exhaling harmful and toxic plumbing gases, letting all that hot, stale air out of your plumbing system and allowing it to pull in air when needed. I’ve always thought of it as the house taking a big sigh of relief.

Now, why’s this venting stuff so crucial? Well, without proper venting for your plumbing system you’ll have all sorts of problems with sewer gas entering the home, which isn’t good on any level.

Effectively, roof vent pipes allow the siphon in the plumbing drain lines to break and let a small amount of water sit in the line to prevent these gases from exhausting through your drains. It’s why there is a P-Trap under your kitchen sink. Without it, the smell is not good.

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Many homeowners don’t like these roof vent pipes showing on their roof and want them covered up. And while it is possible to use other venting systems for the plumbing system such as ‘auto-vents’ it can be a disaster if they ever clog up or have problems.

There are some pros and cons to covering a roof vent and using auto vents. I’ll take a deeper dive below to go into more details.

Pros of Covering a Roof Vent Pipe

The biggest advantage to having your roof vent pipes removed is aesthetics and curb appeal. This is especially true if you had a not-so-great plumber install the vent pipes which may be different colors and even located in the front of the home. Most roof vent pipes are located in the rear area of the roof to help with curb appeal of the home.

During times when the rain is pouring down, those roof vent pipes are basically catching water and introducing it into your plumbing drain system. This additional water typically isn’t much but if your drain system is already taxed, it can be a problem when heavy, extended rains happen.

If you’re looking to simply provide a way to shield the roof vent from weather, kinda like a chimney cap, you can prevent this additional water from being introduced into the plumbing system.

Cons of Covering a Roof Vent Pipe

Covering a roof vent pipe may seem like a good idea, and it may work at first but when there is a problem, it can be a huge problem. If the vents on the plumbing system are blocked from the correct amount of air flow it can lead to drain issues and worst of all smell issues.

Without proper airflow to drains, all of the waste is evacuated from the system and that allows sewer gases to flow back through the drains. This gas can be toxic as well as flammable. It’s not a good situation no matter how you spin it.

Best Practices for Covering Your Roof Vent Pipe

When you’re considering covering a vent pipe the biggest question is whether you want to completely remove the vent pipe from the roof or do you just want to place a cap over the pipe to make it look better and still function properly? If it’s the later you can simply order some vent pipe covers on Amazon.

However, if you’re considering removing the vent pipes completely from your roof you’ll need to understand that you’ll be doing plumbing work as well as roofing work to cover up the hole where the vent pipe was installed. Installing a auto-vent in the attic where the vent pipe comes up can take care of the plumbing side, but for the roof surface, you’ll need to basically repair the hole where the roof vent was located.

If your home’s roofing is more than 10 years old the roofing maybe faded as well so the patch may stick out like a sore thumb. Your roofing may not be available anymore. All of these things you’ll need to consider when attempting to remove a roof vent pipe.

Ready to ensure your home’s roof vent pipe system is optimized for both functionality and aesthetics? Don’t risk the integrity and safety of your home by making uninformed decisions. Call us now at (844) 943-2373 to speak with a qualified and local roofing professional. Get a personalized quote and expert advice tailored to your specific needs. Our team is ready to help you make the best choices for your home’s roofing needs. Call today and take the first step towards a safer and more appealing home.

Rick Anderson

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