BONUS HOW-TO

Adding window boxes

We would like to add flower boxes to our house. How do we do that so we don’t end up with leaks behind the siding?—NAOMI BENSON, PLYMOUTH, MN

TOH carpenter Nathan Gilbert:

Nothing dresses up the outside of a house quite as nicely as a flower box or two filled with a mix of seasonal plants.

I think boxes look best when they match the span of the windows’ sills. Making one that size). A two-part PVC adhesive () bonds all the pieces together; a nozzle mixes the two parts as you dispense the adhesive. Then I drilled a series of holes through the bottom so water can drain out.