Rough Opening For 8x7 Garage Doors

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

Rough opening for 8x7 garage doors.

This will give you room to space the door frame off of the sub floor. In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. You should add 2 1 2 to the height of the actual door.

Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches. 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. Install the header on top of the trimmers and nail. If opening will be perfectly level and plumb 1 2 to 3 4 smaller than door.

Getting the rough opening size right the first time will save you from frustration when installing your doors. Ordering a garage door based on a rough opening size can leave you with a door that is too big. Otherwise its done with 1x stock pvc or sometimes 5 4 lodgepole pine trim. Standard garage doors in our area are 8 9 16 and 18 wide.

99 of the residential garage doors that we run across are different than these widths. Words like rough opening are thrown around and i m not sure if we are speaking about the same thing. It all varies on what the exterior finish detail is. 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.

Next you will need to know your door height. Framing rough opening sizes are really quite simple. 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. The rough opening is equal to the size of the door but you need to figure back head and side room before choosing and installing the new garage door.

To make my. 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. 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. Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening. Make sure to allow for an uneven floor. After installing the jambs your garage door opening should now be the same size as the garage door.

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