Garage Door Header Detail
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.
Garage door header detail. 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. That would take care of the wind and seismic shear loads. Beam details 24 window and door. Window door garage door headers supporting roof wall floor loads.
Header details 24 25 nailing on narrow face 25 allowable holes 26 bearing length requirements 26 tapered end cuts 27 multiple member. This piece of. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. 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.
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. Let s talk about the garage door rough opening first. A 36 door has a rough opening width of 38 so your header is cut at 41. Only that the minimum net header size shall be 3 x ll 25.
Correct does not state that header 6 to 18 can be dimensional lumber. A typical header width with single jack studs is cut 3 larger than the rough opening. 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. For each application a pdf download is available.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. Some sizes may not be available in your region. For deeper depth parallam psl beams see the trus joist 2 2e. Connections 28 29 columns 30 31 product warranty 32.
Also be aware double or triple jack studs may be required based on the opening width and the load the header carries. 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. 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 longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.
Rough opening of garage door. The irc details related to the header are often misunderstood and misapplied leading to an installation with unintended structural consequences. Also see assumptions for table development. Loading conditions are detailed below.
Attach lumber to the face of the garage wall to the edge of the garage door header.