No matter how careful you may be with your drums, *bleep* happens. Over the years I have seen drums that have been dropped, kicked, and otherwise abused. Whether by accident or because of a bandmate deciding to use the kit as a springboard to dive into the pit, the end result can mean a cracked shell.
This happens more than you might think. If it is a lacquer-finish drum shell, it may need to be refinished. Plexiglas and fiberglass drums have unique issues when it comes to repairs, so for this article I will be concentrating on a vintage wood shell 1965 Ludwig wrapped drum.
The first step is to remove all the drumheads, hoops, tension rods, and lugs. Once the drum is prepped you can inject wood glue into both sides of the crack in the wood with a syringe. The syringe helps force the glue into the crack for a better bond. Once the glue is in the crack, use a clamp and two contoured pieces of wood (old drum shell pieces work great) to hold the shell stable so the glue can dry. Place strips of wax paper in between the clamping blocks and the glued shell to keep the two from bonding.
After the glue dries, remove the clamps, clean the outside of the drum with rubbing compound, and polish or buff it out. The inside will need to be sanded and refinished.