8 Foot Garage Door Header Size

18 ft garage door is the size that is suitable for you who have a oversized garage.

8 foot garage door header size.

Window door garage door headers supporting roof loads only. Many 16 x 7 garage doors will be designed with a pair of single 8 foot garage door bays separated by a central post or column. 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.

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. Window door garage door headers supporting roof wall floor loads. Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. If there isn t enough room above the opening this can t be done without raising the roof of the garage.

Many homeowners have two cars and need garage space to shelter them both. If you are creating an opening no wider than 4 feet for a door or smaller window then you need a 2 by 6 header. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. There are a few sizes of doors that are considered standard.

Measure the width of your door frame. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. Attach lumber to the face of the garage wall to the edge of the garage door header. Most door frames that are 4 feet wide or less require a 2 by 6 header.

Usually 18 ft door used to accommodate two vehicles in the garage. For double doors garage the standard. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.

Last pull a measurement from the top of the 2 x 6 piece of lumber that you just installed to the ceiling of the garage. The span above the door opening is framed with a long header that supports the wall area above the door and this header will need to be raised or rebuilt in order to increase the overall door size.