House of Fara 1-1/8 in. x 4-1/2 in. x 8 in. Hardwood Plinth Block Mouldings fill in where the door trim meets the baseboard. Plinths add a unique detail and an architectural touch to any doorway or project. Manufactured from solid white hardwood, it may be clear coated, stained or painted to match your existing decor. Color: Natural.