Bathroom Shower Leaking Behind Wall

This normally happens when the sheetrock behind the wall has absorbed too much water.

Bathroom shower leaking behind wall. Keep in mind that this doesn t mean the pipe hole is exactly above the dripping spot. Cracked shower tray this is not very common but it can happen. Most times shower valve leaks behind the wall are very slow. If you cannot reproduce.

Finding the exact spot is difficult. Less common problems that cause a leaking shower tiling behind the shower tray you should tile down onto the top of the shower tray not behind it. One of the signs of shower leaking behind wall on the first floor is water dripping from the ceiling. Leaky tiles can occur anywhere where water is used whether it s a shower a wet room or a kitchen splashback.

Home bathrooms can develop leaks behind the wall. In extreme circumstances the leak may even cause the drywall and tiles to come off easily because they have been weakened. Check for separation in the wallpaper along the seams or flaking paint to help locate a hidden water leak. Too much moisture behind the walls can eventually cause paint and wallpaper to start peeling or bubbling.

Usually they are pin hole leaks from a faulty valve or sloppy soldering from the water connection points to the valve. It might be a hairline crack that is not highly visible and is disguised by the non slip pattern. The key to finding any leak is to be able to see the leak in action. Leaks typically start along the bottom of the wall where the tile meets the top of the tub or shower pan.

These leaks become apparent when paint begins peeling off of the wall around the area where the shower pipe passes. Over the years the joint wears out or the flaw in the casting process of the valve rears its ugly head. Stopping water ingress behind tiles is best done at the initial installation stage as anyone knows who has repeatedly tried to fix a leaking shower tray or bath to no avail due to underlying installation deficiencies e g. Water can go up a wall or move through the ceiling looking for cracks.

They can often cause damp and mould within surfaces behind tiles and can even threaten the structural integrity of walls so it s important to tackle the issue at the first sign of a leak. Not fitting a primary silicon seal to the bath as shown below which can lead to water running down the wall and into the room below.