Do-it-yourselfers must be on guard for day-to-day temperature changes and sudden showers that can mar many spring projects like painting, caulking, driveway sealing and deck finishing, among others.

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. When painting a paneled wall with knotholes, will the effect be OK without filling the knotholes? Wood knots in your paneling ...