Garage Door Opening Framing Detail

Door height plus 18 is required.

Garage door opening framing detail.

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 information is noted on irc figures 602 10 6 2 602 10 6 3 and 602 10 6 4. Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening. Pull a measurement from the floor of your space to the ceiling next to the door opening.

Of base material laid down and compacted. Measure area labeled backroom 6 distance is measured from the garage door opening toward the back wall of the garage. 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. 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.

This lumber will be used to attach your garage door track and a portion of your assembly. For a larger garage multiple portal frames can be used. 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. Four to 6 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. From the final grade vinyl siding can be touching the ground and fiber cement can be within 2 in. Cut two 2 x 6 pieces of lumber and attach to the face of the wall running from the edge of your garage door jambs to the ceiling of your garage. 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.

The irc limits the maximum finished garage door opening width to 18 feet for all three portal frame methods. Where supporting a roof or one story and a roof a method pfg braced wall panel constructed in accordance with figure r602 10 6 3 shall be permitted on either side of garage door openings. These trimmers should be. 1 inch 25 4 mm 1 foot 304 8 mm.

Wood garage door framing sheathing and wood siding need to be 6 in. If garage door height extends above the opening the headroom measurement should be adjusted proportionately.