If the house was built from roughly 1965-90, the wall behind the tile is covered with drywall (greenboard). When drywall gets moist, it expands and swells, the grout cracks as a result, more ...

Drywall can easily get damaged in a bathroom due to water splashes and high humidity. To repair a water-damaged wall near a shower, use a drywall patch. advertisement. House Digest.

If water gets behind the paint where the paint stops and a sink top or cabinet edge begins, you have an Achilles’ heel; damage to the drywall may start if water finds this entry point from time ...

March 28 (UPI) --A British woman renovating her home said she was shocked when she removed a bathroom wall and discovered an intact shower.Hannah Otto, 32, of Hampshire, England, said she ...