Garage Door Opening Framing Detail

Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.

Garage door opening framing detail. Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected. Additional back room may be required for automatic garage door. 1 inch 25 4 mm 1 foot 304 8 mm. Measure area labeled backroom 6 distance is measured from the garage door opening toward the back wall of the garage.

This information is noted on irc figures 602 10 6 2 602 10 6 3 and 602 10 6 4. This lumber will be used to attach your garage door track and a portion of your assembly. Door height plus 18 is required. These trimmers should be.

Method pfg portal frame at garage door openings in seismic design categories a b and c. Of base material laid down and compacted. Wood garage door framing sheathing and wood siding need to be 6 in. Four to 6 in.

It s essential to get this measurement right else your newly purchased garage door won t fit the opening or might actually be smaller than the opening. From the final grade vinyl siding can be touching the ground and fiber cement can be within 2 in. 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. If garage door height extends above the opening the headroom measurement should be adjusted proportionately.

It is a good idea to snap a line on the foundation with a chalk string as to where the outer face of the garage wall framing will sit. The irc limits the maximum finished garage door opening width to 18 feet for all three portal frame methods. 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. In the illustration we are using for a 12 x 24 garage we are holding the walls back 1 2 from the foundations outer edge so that when we place the 1 2 structural sheathing on the walls it will.

Pull a measurement from the floor of your space to the ceiling next to the door opening. Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.