Splash leaks are simply water escaping past a shower curtain or a shower door. Plumbers tell us it’s the most common type of bathroom leak. Although it may sound minor, this leak causes major damage when water seeps into the subfloor where flooring meets the tub or shower. Before long the vinyl flooring or tiles begin to loosen. Even worse, the plywood subfloor delaminates and rots, requiring a huge, expensive tearout and replacement project.

Signs of trouble:

  • Curling vinyl flooring or loose tiles next to the tub.
  • Peeling paint or flaking, chalky-looking wood finish near the shower.
  • Water stains on the ceiling or joists below.
  • Mold spots on the wall or floor near the tub or shower.
  • If you use a curtain, look for standing water on the floor after you shower.

How to find the source:

  • If you have a shower door, splash water all around the door and frame. Leaks around the frame may take five minutes or longer to show up.
  • If the door has rubber gaskets or a rubber door sweep, check them for gaps.
  • Also check for any gaps in the caulk where the shower or tub meets the flooring.

How to fix it:

  • Be sure to overlap sliding doors correctly when you close them. The inner door should be closest to the faucet.
  • If you have a shower curtain rather than a door, make sure you close it completely when you shower, or add a splash guard.
  • Seal a leaking frame by running a small bead of caulk around the inside of the frame. Force the caulk into any gaps between the frame and the shower surround. Quickly wipe away all the excess caulk. When the caulk dries, test for leaks again.
  • Replace any worn gaskets or door sweeps. Bring the old one to a home center or plumbing supply store and look for a matching replacement.
  • If the old caulk along the floor shows gaps, scrape it out and run a new bead.

Homeowner story:
“I noticed the floor tile along the tub was coming loose. I pushed on it and it crunched down into the underlayment, which was totally rotten. We ended up replacing all of the tile and part of the subfloor.”

كشف تسرباتكشف تسربات المياهكشف تسربات المياه بالرياضشركة كشف تسربات المياهشركة كشف تسربات المياه بالرياضكشف تسرب الماء كشف تسربات بالرياض

Drain leaks allow water to sneak around the outside of the drain where it’s connected to the tub or shower. This is especially common with plastic or fiberglass tubs and shower pans, since these materials flex slightly when you stand on them, often breaking the seal around the drain. These leaks can stain or destroy the ceiling below or rot floor joists. In the case of a tub set on a concrete slab, the leak will ruin flooring in the bathroom or adjoining rooms.

Signs of trouble:

  • Water stains on the ceiling or joists below.
  • Loose flooring near the tub or damp floors in adjoining rooms (if the tub is on a concrete slab).

How to find the source:

  • If you can see the underside of the drain through an access panel or open ceiling, partially fill the tub and then release the water. In a shower, plug the drain with a rag and then release the water. Check the drains and traps for leaks from below through the access panel.
  • If you don’t have access to the underside of the drain, plug the drain and add enough water to form a small puddle around the drain (photo). Mark the edge of the puddle by setting a bottle of shampoo next to it. Then wait an hour. If the puddle shrinks, the drain is leaking. Don’t rely on your tub stopper for this test; it may leak. Remove the stopper and insert a 1-1/2-in. test plug (find them at home centers). Remove the grate and use a 2-in. plug for a shower.

How to fix it:

  • To repair a tub drain, unscrew the drain flange from above. Then clean the flange and apply silicone caulk. Also remove the rubber gasket that’s under the tub’s drain hole and take it to a home center to find a matching gasket. Slip the new gasket into place and screw in the drain flange.
  • If you have access to a shower drain from below, tighten the ring nut that locks the drain to the shower pan. If that doesn’t work, replace the drain assembly. If you don’t have access beneath the drain, cut a hole in the ceiling below or replace the drain assembly with a WingTite drain.

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