Home >> pole building how to guides >> post frame entry door framing done right post frame entry door framing done right entry doors are just not thought of very often � we walk in and out of them every day, yet don�t often consider what goes into seeing they work properly and are maintenance free.. Door material is an important purchasing consideration. overhead doors are available in wood, fiberglass, composite materials, and steel. cedar, hemlock, and redwood are often used for overhead garage doors, with cedar and redwood being more rot resistant.. How to build a pole barn garage - step by step you need to choose a flat area for building your barn garage. mark the dimensions on the ground you wish to construct, laying out all the corners and door..