Garage Door Opening Header Size

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.

Garage door opening header size.

Next measure the sideroom or space available on the left and right sides of the opening. Most door frames that are 4 feet wide or less require a 2 by 6 header. 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. For an opening 6 to 7 feet wide you will need two 2 by 12 headers.

The size of the door will. 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. If you are installing a 9 wide door the opening will be 9 3 wide. Window door garage door headers supporting roof wall floor loads.

Frame the rough opening to 3 inches wider than the garage door size you have selected. Both headers and girders are beams that are oriented horizontally and transfer load down to walls piers or posts. Measure the head room the distance between the top. It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit.

Frame the rough opening to a height that is 1 5 taller than the door that you have selected. Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18. When in doubt use 2 by 12 inch headers. Their is no notching permitted in the center third of any beam.

Most vertical track systems. Although single plies are permitted they are not recommended. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. 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.