Garage Door Opening Header Size

If you are installing a 9 wide door the opening will be 9 3 wide.

Garage door opening header size.

Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18. Although single plies are permitted they are not recommended. 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.

Window door garage door headers supporting roof wall floor loads. When in doubt use 2 by 12 inch headers. Next measure the sideroom or space available on the left and right sides of the opening. Both headers and girders are beams that are oriented horizontally and transfer load down to walls piers or posts.

For an opening 6 to 7 feet wide you will need two 2 by 12 headers. Measure the width of your door frame. It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit. Begin by using a tape measure to determine the width and height of the door opening in inches.

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. The size of the door will. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. Frame the rough opening to a height that is 1 5 taller than the door that you have selected.

Window door garage door headers supporting roof loads only. 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. If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers. Notches on the outer thirds must not exceed 1 6 of the width of the board.

Most door frames that are 4 feet wide or less require a 2 by 6 header.