Rough Opening Requirements For 18 Garage Door

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

Rough opening requirements for 18 garage door.

Knowing garage door clearance requirements will help you avoid ordering the wrong garage door set up for your needs. 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. Framing rough opening sizes are really quite simple. Most new doors are 6 ft.

Add 18 inches to the height of the door. Measure the head room the distance between the top of the door opening or door jamb header and the ceiling of the garage. If the door is 7 tall frame the opening 7 1 5. Getting the rough opening size right the first time will save you from frustration when installing your doors.

Next you will need to know your door height. For underlayment and 3 4 in. However if you are putting bricks thick river rock stones marble or anything else on both sides that is more than 1 thick you will want the rough opening the same. Standard systems require 10 inches of headroom while some require 12 inches while garage door openers often require an additional three inches of clearance.

99 of the residential garage doors that we run across are different than these widths. Therefore making the width of the garage door rough opening the same size as the door would be fine if you are going to use a thin layer of stucco vinyl siding or 1 by lumber. How to frame a garage door 1. Step 3 add 6 to 14 inches to the height of the door for headroom or the space directly above the closed door.

Standard garage doors in our area are 8 9 16 and 18 wide. Garage doors use either torsion springs or extension springs to raise and lower the door. For finish flooring 3 8 in. Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough.

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. For wiggle room at the top of the door and the top of the trimmer the bottom of the header needs to be 82 5 8 in. To finish the opening cut the header and jambs from 2 lumber. You should add 2 1 2 to the height of the actual door.

Torsion springs mount on a bar above the door while extension springs stretch down the side of the upper tracks. This is how much you need for backroom or the space from the top of the door back towards the garage interior. For the jamb 3 4 in.