Exterior door casings that are exposed to the elements often rot at the bottom due to the absorption of rainwater through the wood s end grain.
Wood door casimg snd hardwood.
The woodgrain millwork 11 16 in x 2 1 4 in wm356 primed finger jointed pine casing door pack includes five 84 inch sides which is enough material to finish both sides of a door.
To prevent rot when replacing outside door casings such as brick mold use casing made from plastic composite material.
Combine the casing with a backband to create a bold one of a kind look.
If wood casing is used.
Apply wood preservative to the end grain of the casing.