Frameless shower doors do not “leak”. Although there are very small gaps in the hinges and on the sides of the door, it is highly unlikely water will pass though these gaps unless water pressure is directly pointed at these seams. ... The tile on the shower curb must slightly slope in towards the shower.

Why do frameless shower doors leak?

While growing in popularity, many potential frameless shower door purchasers may fear that they will leak. However, this simply isn't true. Frameless shower doors do have very small gaps at the hinges and sides of the doors. ... This will cause water to naturally flow outside your shower leading to leakage.

Are frameless shower doors watertight?

While frameless shower doors look amazing, they are water-resistant, not waterproof. You should have no problems around fixed panels of glass as they are sealed with a high-quality, mildew-resistant silicone, but around the door (and transom if you have one) they can leak with a direct spray of water.