A window in a shower brings natural light to a confined space, but it also brings major problems.

Though windows can withstand the elements, especially moisture, that’s just on theoutside.

Moisture inside a window leads to serious, costly damage to the window and the house itself.

Modern domestic bathroom with window in shower

Clicknique / Getty Images

Older homes often had full-size windows placed in the bathtub alcove area.

The configuration was acceptable because bathers don’t usually splash water above the height of the bathtub rim.

As bathtubs fell out of fashion, bathtub alcove areas were frequently converted to showers.

All solutions are temporaryfor example, draping a shower curtain in front of the window.

Ultimately, the best solution for a window in a shower is to remove the window.

On the exterior wall, run a shower rod from wall to wall in the bath alcove.

Place a shower curtain on the rod.

Adding a shower curtain is an effective, short-term fix for homeowners planning a long-term, permanent solution soon.

Water-logged woodwindow trimwill eventually develop rot.

Trim also provides an easy avenue for water to enter behind the window.

Replace trim with PVC (plastic) trim as it does not rot.

Attach it with construction adhesive to avoid creating nail holes for water to enter.

Anything flat in a shower pools up with water.

Shower window sills collect water and send it running down into the wall.

Installing tile on the window sill is a DIY-friendly option.

Even better issolid surface material, which eliminates seams.

The material should be sloped down toward the shower to promote drainage.

Install a Vinyl or Fiberglass Window

Replace a moisture-prone wood window with avinyl or fiberglass window.

All parts of a vinyl or fiberglass window are water-resistant.

Glass blocks are heavy.

Oneglass blockmeasuring 6 inches square by 3 inches thick weighs more than 3 pounds.

Due to the weight of the glass blocks, the wall will likely require additional support.

Natural light in the shower saves energy and goes easy on weary eyes in the morning.

Rebuilding the wall cures the moisture problem and lets you fix existing water damage to the wall studs.

Moldy insulation can be removed and replaced.

Here’s what it entails:

What if There Isn’t a Window in My Shower?

Consider the placement of a new window in a shower.

How Much Does Window Replacement Cost?Angi.