Garage Door Header Detail

Loading conditions are detailed below.

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. Also be aware double or triple jack studs may be required based on the opening width and the load the header carries. Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.

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. For deeper depth parallam psl beams see the trus joist 2 2e. Some sizes may not be available in your region. A 36 door has a rough opening width of 38 so your header is cut at 41.

Let s talk about the garage door rough opening first. That would take care of the wind and seismic shear loads. Only that the minimum net header size shall be 3 x ll 25. 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.

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. The irc details related to the header are often misunderstood and misapplied leading to an installation with unintended structural consequences. Window door garage door headers supporting roof loads only.

The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. For each application a pdf download is available. Window door garage door headers supporting roof wall floor loads. The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.

Beam details 24 window and door. This piece of. 16 garage door headers mtlogcabin a minimum 3 x 11 25 net header size is required for opening from 6ft to a maximum 18 ft. 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.

Correct does not state that header 6 to 18 can be dimensional lumber. Also see assumptions for table development. Attach lumber to the face of the garage wall to the edge of the garage door header. Rough opening of garage door.

Header details 24 25 nailing on narrow face 25 allowable holes 26 bearing length requirements 26 tapered end cuts 27 multiple member.