12 Garage Door Header Size

Window door garage door headers supporting roof wall floor loads.

12 garage door header size.

The structural ridge span represents the size of a large family room. These charts are for 30 pound per square foot snow load on the roof. 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. Wide a common patio door width.

Measure the width of your door frame. In all but the most bizarre situations they ll easily carry the weight for 4 ft. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. Measure the head room the distance between the top of the door opening or door jamb header and the ceiling of the garage.

Or less by the doors. And the garage door header is based on a 2 car garage door opening. Standard systems require 10 inches of headroom while some require 12 inches while garage door openers often require an additional three inches of clearance. When in doubt build a double 2 12 header sandwich like we explain next.

When in doubt use 2 by 12 inch headers. Includes span tables for all load bearing locations and the number of jack studs. The span for the girder is based on the size of an average sized game room. Attach lumber to the face of the garage wall to the edge of the garage door header.

Table 1 consolidates loading sizes and cost data for all of the applications. 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. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. Wide window and door openings and in most situations be code compliant for openings up to 6 ft.

Span charts and 2012 irc building codes for girders and 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. If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers. 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.

Window door garage door headers supporting roof loads only. 16 garage door headers mt as long as the walls adjacent to the door are 16 or wider i ve used exactly what you cited above however it seems that many want to maximize their openings 16 door with a building that is limited by lot size resulting in 12 in.