Garage Door Header Detail

Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.

Garage door header 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. A typical header width with single jack studs is cut 3 larger than the rough opening. This piece of. For each application a pdf download is available.

Rough opening of garage door. The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be. Window door garage door headers supporting roof wall floor loads. A rough opening refers to the space left inside a door or window frame door in this case where the actual door will be fitted.

Portal frames are constructed with braced wall panels and full length headers assembled in accordance with the international residential code irc section 602 10 6 for use adjacent to window or door. Window door garage door headers supporting roof loads only. 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. Also see assumptions for table development.

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. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. Attach lumber to the face of the garage wall to the edge of the garage door header. Also be aware double or triple jack studs may be required based on the opening width and the load the header carries.

A 36 door has a rough opening width of 38 so your header is cut at 41. Loading conditions are detailed below. For those who are not familiar with what this is. Let s talk about the garage door rough opening first.