Header Size For French Doors

If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.

Header size for french doors.

Just add 2 to the width of the actual door size. You should add 2 1 2 to the height of the actual door. Most door frames that are 4 feet wide or less require a 2 by 6 header. 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.

The clever way i used to build headers. When in doubt use 2 by 12 inch headers. My first job as a carpenter s helper was to construct headers for the tract houses we were building. Window headers support the roof and other structure above a window.

If you have a floor above you ll need 2 2x6 s unless the building is 36 wide in which case you ll need 2 2x8 s. This will give you room to space the door frame off of the sub floor. So if you re on the top floor you can use 2 2x4 s unless the building is 36 wide in which case you ll need 2 2x6 s. The opening for the new french doors requires a header that spans the opening and carries the weight of the rafters above it.

For example if you are installing the doors in an exterior bearing wall that is directly supporting the weight of the roof and possibly a second floor then double 2 x 10s. The header is supported on both ends by two shorter studs called trimmers or jack studs see illustration which are placed inside the king studs see image. Emily when deciding what size header to install above your new french doors you must first consider the size of the load being supported by the header and wall framing. Framing rough opening sizes are really quite simple.

The right header size. Header size required to support the roof ceiling and one center bearing floor of a 28 ft. The header thickness and height is the only real difference between standard and french door framing. Window door garage door headers supporting roof loads only.

Measure the width of your door frame. 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. Getting the rough opening size right the first time will save you from frustration when installing your doors. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.

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 header spans see tables r502 5 1 and r502 5 2. Window door garage door headers supporting roof wall floor loads. The header supports the framing above the opening and is also used for windows or any opening.