Garage Door Rough Opening Construction

The jambs need to be 17 inches.

Garage door rough opening construction.

The opening must be finished framed before a garage door can be installed. Many homeowners have two cars and need garage space to shelter them both. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. 99 of the residential garage doors that we run across are different than these widths.

Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad. How to measure the finished width and height use of 2x4s for the sides and header. 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. 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.

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. The height of the rough opening would be the height of the garage door plus the thickness of whatever you are putting underneath the header in addition to the thickness of the mortar etc. Next you will need to know your door height. In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs.

It should be obvious that you don t use twice the thickness for the height since you will not be putting anything on the floor but you have been reminded. Leave at least 5 of space on the sides of the door. Make the rough opening 3 wider than the garage door. The technique of building a garage door frame is straightforward and a finished frame can be completed in an hour.

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. This guide is intended primarily for our builder customers to explain in detail the measurements and condition we need the work site to be in to properly co. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. Also make the rough opening 1 5 taller than the garage door.

Leave a headroom of 14 or 12 minimum. How to frame a garage doors opening in this case 9ft wide by 8ft tall. To make my. 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.

Most garage door openings are just rough openings when the home is built.