Rough Framing For 2 8 X7 Garage Door Openings

Use shims and or caulk to seal gaps between wall and frame.

Rough framing for 2 8 x7 garage door openings.

Frame the rough opening to a height that is 1 5 taller than the door that you have selected. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. Standard garage doors in our area are 8 9 16 and 18 wide. Timely prefinished interior steel frame.

Step 1 measure the old door if you are replacing an existing door with one of the same size or the new door of choice if you are building a new garage. The rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame. If sides are not plumb consider a flush door instead of a raised panel to make it less obvious. Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad.

Depending on your opening the lumber width will be 6 to 8 wide. Framing rough opening sizes are really quite simple. 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. 99 of the residential garage doors that we run across are different than these widths.

You should add 2 1 2 to the height of the actual door. If opening will be perfectly level and plumb 1 2 to 3 4 smaller than door. If the door is 7 tall frame the opening 7 1 5. 1 2 or 1 in one direction of the other will won t typically cause you to have to shop for a non standard garage door size.

Make sure to allow for an uneven floor. However the correct answer should be that you want the finished opening to be the same size or slightly smaller than the door so the rough opening will depend on what you are putting on the sides of the opening and underneath the header. Make the rough opening 3 wider than the garage door. Of frame is 40 x 86 as the frame face is 2 around all 3 sides.

Next you will need to know your door height. Leave a headroom of 14 or 12 minimum. To finish the opening cut the header and jambs from 2 lumber. Getting the rough opening size right the first time will save you from frustration when installing your doors.

Just add 2 to the width of the actual door size.