* Anchor Pad- Padding secured above the door, on the header, to support a bearing bracket in the center. It can also be installed in other locations.
* Casing- A vertical piece of wood that creates one side of an opening.
* End Block- These are installed at the end of each panel and are attached to hinges and rollers. They provide additional support and a thermal block.
* Grain- The direction seen on the wood, most commonly on lumber.
* Jamb- A piece of wood standing upright, used to make a side of an opening.
* Jamb Mounted- When vertical track is installed into wood jambs.
