Rough Opening For 8x7 Garage Doors

Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches.

Rough opening for 8x7 garage doors.

If opening will be perfectly level and plumb 1 2 to 3 4 smaller than door. 99 of the residential garage doors that we run across are different than these widths. The doors extend beyond the finished trim you see from the front a fact that must be taken into consideration when framing and preparing the area for installation. It all varies on what the exterior finish detail is.

Make sure to allow for an uneven floor. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. Many 16 x 7 garage doors will be designed with a pair of single 8 foot garage door bays separated by a central post or column. Words like rough opening are thrown around and i m not sure if we are speaking about the same thing.

Standard garage doors in our area are 8 9 16 and 18 wide. Install the header on top of the trimmers and nail. Framing rough opening sizes are really quite simple. 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.

At least two 2x4s on each side of the jambs but three would not hurt. After installing the jambs your garage door opening should now be the same size as the garage door. Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening. Next you will need to know your door height.

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. If sides are not plumb consider a flush door instead of a raised panel to make it less obvious. Most garage doors openings i trim out get done simply with aluminum cladding but this is for cost. Ordering a garage door based on a rough opening size can leave you with a door that is too big.

Getting the rough opening size right the first time will save you from frustration when installing your doors. Also many garage door installers want 2x4 s nailed on the flat to the inside edge of the opening for the tracks to be fastened to. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. Just add 2 to the width of the actual door size.

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. In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. You should add 2 1 2 to the height of the actual door. This will give you room to space the door frame off of the sub floor.

Many homeowners have two cars and need garage space to shelter them both.