Garage Door Header Framing Detail

The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
Garage door header framing detail. Together the headers king studs and trimmers act as a system that transfers weight from above down and around the window and door openings to the floor and foundation below. Amarr offers 300 styles of garage doors. In an attempt to construct portal frames some garages are built with one continuous garage header extending over two or three garage door openings as shown in figure a. If it s 9ft the opening must be 9ft 3 inches and so on.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. The portal frame header should be sized for gravity loads but also must meet the minimum size of 3 x 11 1 4 required per the irc portal frame details. Hello dear customer or builder hope this can help you in building the right frame work for your new garage door. Free how to buy a garage door guide nationwide dealer network.
By paul massey building a structural header for a garage door opening can be handled on the jobsite and will offer the same structural support as more expensive solid wood beams. Window door garage door headers supporting roof wall floor loads. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. Portal frame details within the irc specify simple span headers with a maximum finished opening width of 18.
The opening size is also limited to a maximum of 18 feet. Choose from carriage house traditional and commercial garage doors in steel wood and wood composite materials. Loading conditions are detailed below. Thanks for your business have a great day.
For each application a pdf download is available. For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide. This piece of lumber will be used to attach the center bracket of your garage door spring assembly. You get the picture.
Also see assumptions for table development. Window door garage door headers supporting roof loads only. With these limitations a portal frame header should be able to resist gravity loads in addition to the expected lateral loads. Click on the image below for clear detail and drawing.