Garage Door Opening Header Size

Both headers and girders are beams that are oriented horizontally and transfer load down to walls piers or posts.

Garage door opening header size.

Although single plies are permitted they are not recommended. Notches on the outer thirds must not exceed 1 6 of the width of the board. Tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications. Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18.

Most door frames that are 4 feet wide or less require a 2 by 6 header. Frame the rough opening to a height that is 1 5 taller than the door that you have selected. The size of the door will. If you are installing a 9 wide door the opening will be 9 3 wide.

Their is no notching permitted in the center third of any beam. Between 4 and 5 feet the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2 by 12. When in doubt use 2 by 12 inch headers. Window door garage door headers supporting roof loads only.

For instance if you have a 16 door and are using river stones that are approximately 2 to 2 1 2 you will want the rough opening to be roughly pun intended 16 6. Measure the head room the distance between the top. If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers. It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit.

If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. For an opening 6 to 7 feet wide you will need two 2 by 12 headers. Begin by using a tape measure to determine the width and height of the door opening in inches. Frame the rough opening to 3 inches wider than the garage door size you have selected.

Most vertical track systems.