Does a shower waste need AU Bend?

Does a shower waste need AU Bend?

Newcomers to bathroom plumbing sometimes ask, ‘why do I need a U bend? ‘ The simple answer is that the water trapped in the U bend acts as a barrier to the foul smells that otherwise rise from the sewer or other drainage pipework. This is why it is an absolute requirement in the building regulations.

Where should the waste be on a shower tray?

The waste outlet can be located either at the front or at the back of the installation. However, the waste cover MUST NOT be impeded by either tiles or an enclosure. The floor area (or larger) covered by the shower tray must be removed and replaced with a single level piece of plywood (minimum 18mm thick).

Do you need a trap on a shower drain?

Yes, shower and tub drains require a trap in the plumbing to prevent harmful sewer gases from coming into the home.

How does a shower tray waste trap work?

Similar to a kitchen or even toilet trap, a shower trap always retains a certain amount of water to seal off any gases emitted by the sewer that could come into the bathroom. When in use, shower water will flow into the drainage to create a vacuum, which can slow down the discharge of the water itself.

How does a shower tray waste work?

When taking a shower, water flows down the drainage and creates a vacuum within the drainage. The vacuum may slow the flow of water down the drainage. As such, the drainage is vented to allow water to flow freely. The venting works by allowing air to flow into the drainage.

Can you lay shower tray on floorboards?

If you’re installing your shower tray onto timber flooring, you need to make sure the floorboards are securely fixed and in good condition. If they’re not securely fastened, be sure to source thick grade chipboard, and cut it to fit the size of the shower tray.

What does a shower tray sit on?

Types of Shower Tray A shower tray with a shower riser kit sits on legs positioned to the correct height to suit your shower enclosure. They are a popular shower tray option as they enable you to easily reach the pipes below the shower enclosure.

How deep should a shower trap be?

To prevent these problems, plumbing codes require that the water seal in a trap be between 2 and 4 inches deep (2006 to 2018 IRC, P3201. 2).