Do plumbing vents have to go through the roof?

Although the plumbing vent that terminates in outside air usually runs through the roof, the IRC allows other options—such as running up an outside wall—as long as the termination is away from doors, operable windows, any soffit vents, and a minimum of ten feet above ground.

howtolookatahouse.com - Do plumbing vent pipes have to go through the roof by code?

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The International Residential Code requires a minimum of one vent to the "outdoor open air" per residence (IRC P3114.7). The rest of the plumbing fixtures can be vented by an air admittance valve, island vent, or combination waste and vent.

Although the plumbing vent that terminates in outside air usually runs through the roof, the IRC allows other options—such as running up an outside wall—as long as the termination is away from doors, operable windows, any soffit vents, and a minimum of ten feet above ground. For full details, go to What are the code requirements for plumbing vent terminations?

To learn more about two of th venting alternatives, go to Is an air admittance valve (AAV) legal by code? and What is a "combination waste and vent" in a plumbing system?

• • • • • • • • • • • • • • • • • • • • • • • • • Here’s links to a collection of some of our other blog posts about PLUMBING DRAINS AND TRAPS:

• What are the pipes on my roof?

• What types of plumbing traps are illegal by code?

• What are the code requirements for layout of drain piping under sinks?

• Why can't a sanitary tee be used for a horizontal-to-horizontal drain pipe connection?

• Why is it a problem when a trap under a sink is installed backwards?

• What is the difference between a vent stack and a stack vent?

• Why is garbage disposal not allowed at a combination waste and vent (CW&V) under a sink?

• What is a building trap?

• What is an indirect waste receptor?

• What is the difference between water pipe and sewage (waste) pipe?

• How can I tell if a house is connected to a septic tank system or sewer?

• Why is there a flexible accordion pipe under the sink?

• How do I get rid of the sewer gas smell in my house?

• Is a sink required to have a drain stopper?

• Can a laundry sink drain be installed without a trap under it?

• What is a drum trap at a plumbing drain?

• Can a dishwasher drain hose be connected after the sink trap (to the trap arm)?

• How far away from the sink can I install a dishwasher?

• What is a double trap in plumbing?

• Can two sinks share a trap?

• Does a home inspector check sewer lines underground?

Visit our PLUMBING DRAINS AND TRAPS page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.

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How high can I build a shed UK?

1* - Planning regulations for sheds state that: Sheds should be single storey. There should be no platforms, balconies or verandas on sheds. Sheds should be a maximum of three metres high unless they have dual pitched roofs, in which case they can be up to four metres high.

shedstore.co.uk - How Big Can I Build a Shed in My Garden? | Shedstore

Another is will it upset your neighbours? good neighbours are a real credit to have, if it upsets them size wise which could be an eyesore, then it may spark up council visits and an investigation into the size of the shed. If you choose to build a shed then these rules must be followed otherwise it may result in a costly tear down of the shed by law. Providing you follow the rules above, your shed is perfectly legal. All purchased sheds will follow these rules but if you choose to create your own shed then you need to do the calculations. We do not recommend that you build your own shed unless you have knowledge in construction or have someone oversee the build with the knowledge. Remember, Safety over cost.

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