Water Leaking Through Tile Grout

What are the causes of water under a tile floor.

Water leaking through tile grout.

Leakages in the shower are most often the result of grout failure. If water is oozing up through the grout joints and it is becoming moldy then water is not able to drain away. The shower water leak should be repaired quickly otherwise the buildup of stagnant water will lead to mold and damp under the tiles. They may have waterproofed the underlying deck but they could have made mistakes.

Can shower water leak through grout. Maybe a plumbing leak or maybe the drain is restricted in the shower and water is not allowed to fully drain away. Check the ceramic tile walls surrounding your tub or shower. There should be proper flashing the membrane should be sloped to a drain that has weep holes to allow the water through.

If it is leaking then it isn t fully waterproof. The best way to tell if. If the grout becomes damaged on the floor it will give water a chance to slip through the gaps and under. The grout joints are porous so water can go through the grout and under the tile.

Cracks can develop in the grout between the tiles allowing moisture to seep through. It appears you have some sort of leak.