Many manufacturers are taking the wood out of their doors and frames to help prevent water damage to the most commonly exposed areas of the door. They are removing the natural wood around door glass and from lower door jambs, bottom rails, and sub-sill and replacing it with an extruded composite, an injection-molded plastic, or a cellular PVC. There is a continuing trend to take out opportunities for rot in doors and frames.
The garage door is probably the biggest moving object in most homes. Having an efficient one installed in your garage is adding security for your vehicle. It is important then to know its types, attributes of each type, installation options and safety measures to be employed during and after the installation.