Framing Garage Door Header Size Chart

Window door garage door headers supporting roof loads only.

Framing garage door header size chart. And the garage door header is based on a 2 car garage door opening. Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door height. This will give you room to space the door frame off of the sub floor. Includes span tables for all load bearing locations and the number of jack studs.

Framing rough opening sizes are really quite simple. Window door garage door headers supporting roof wall floor loads. 4101 8 6 01 wall construction garage door framing s images goo gl garage door frame size chart from brown the portal frame option jlc garage door header size benjaminremodeling cowindow sizes header size calculatorbuilding a garage door header doityourself munity forumsdoor header sizing garage size chartgarage door frame size chart from brown window corporationgarage. The structural ridge span represents the size of a large family room.

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. As you d expect the deeper the header the longer the distance it can span. These small areas are usually door opening on the interior and people are trained that these areas are the strongest place in a house to be in the case of an emergency. Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough.

B shows the maximum allowable spans for different size headers in just one situation. You should add 2 1 2 to the height of the actual door. Anything 5 and above we. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2.

How to frame a garage door 1. Header spans are typical for a window and a patio door. The 2000 international building code book contains two full pages of mind numbing charts for calculating proper header sizes in different situations. Just add 2 to the width of the actual door size.

These charts are for 30 pound per square foot snow load on the roof. When in doubt use 2 by 12 inch headers. All other data is available on page 121 of the 2012 international residential code. 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.

No matter what the specs say. Measure the width of your door frame. For standard header framing if you have an opening or span of x number of feet the matrix will tell you what size it must be to support that size of span. Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.

Table 1 consolidates loading sizes and cost data for all of the applications. Span charts and 2012 irc building codes for girders and headers. Generally in residential wood framed construction common header functions have standardized sizes for any load that might apply within the scope of a residential building.