Rough Opening For A 16 X 8 Garage Door

This will give you room to space the door frame off of the sub floor.

Rough opening for a 16 x 8 garage door.

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. If you are installing a 9 wide door the opening will be 9 3 wide. Framing rough opening sizes are really quite simple. If it s 9ft the opening must be 9ft 3 inches and so on.

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. Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches. It is important to note. 99 of the residential garage doors that we run across are different than these widths.

Width of rough opening the width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing. For instance if you have a 16 door and are using river stones that are approximately 2 to 2 1 2 you will want the rough opening to be roughly pun intended 16 6. 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. 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.

If you are installing a 9 wide door the opening will be 9 3 wide. Frame the rough opening to 3 inches wider than the garage door size you have selected. For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide. Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening.

When constructing a new garage the opening for a 16 7 garage door the opening should measure 16 7. Install the header on top of the trimmers and nail. After installing the jambs your garage door opening should now be the same size as the garage door. You should add 2 1 2 to the height of the actual door.

Next you will need to know your door height. Just add 2 to the width of the actual door size. Standard garage doors in our area are 8 9 16 and 18 wide. 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.