Replacing Window Trim in the Shower Replacing Window Trim in the Shower

Installing new window trim in your bathroom is a great way to provide a fresh, new look to a window that has become an eyesore due to cracked or moldy old trim. If your current window trim is not looking as new as you would like it to - especially as a result of mold appearing due to the moisture found in most bathrooms - it may be time to undertake this relatively basic project.

Removing Old Window Trim

Using either a basic pry bar or the claw end of a hammer, remove each piece of trim that is currently bordering the window in question. In order to do this without damaging the surface underneath, be careful and try to use easy leverage rather than pure force when removing each section. Keep your eye open for the nails or screws that are attaching each piece of trim to the window frame and apply leverage at these points. Another useful tip is to place a piece of scrap wood between the pry bar or hammer claw and the wall, so that the tool itself is never directly touching the wall. This will allow you to remove each piece of trim without putting dents or cracks in the surrounding area.

Installing New Window Trim

Once the old trim is gone, the first step in installing new trim will be to measure the window area both vertically and horizontally from inside edge to inside edge. Using a miter saw you will cut one piece of pre-purchased window trim to length, with 45 degree angles on either end. After making sure that your original measurements were correct, insert the window trim into the window frame and nail it into place using basic finishing nails. Repeat this step with each side of trim, making sure that the miter joints align correctly with each new piece inserted. When you are satisfied that your trim pieces are positioned correctly, drive finishing nails diagonally through the trim every 8 to 10 inches in order to permanently secure the trim in place. 

At this point, it is worth noting that if you do not have the necessary tools to make a miter joint (a miter saw), it is possible to construct window trim that will be perfectly satisfactory for the purposes of a storm window, by using simple butt joints. To do this, the trim will simply be cut at right angles at the ends, as opposed to 45 degree angles. The trim pieces will simply be arranged in such a way as to butt up against one another instead of fitting together at diagonals. While this technique may not appear as visually streamlined as miter joints, it is perfectly acceptable for most storm windows, and will certainly not detract from the overall appearance of your windows in the end.

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