Rough Opening For A 16 X 8 Garage Door

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.

Rough opening for a 16 x 8 garage door.

That for a 16 foot wide garage door the header should be at minimum 9 inches longer than the door. Just add 2 to the width of the actual door size. Getting the rough opening size right the first time will save you from frustration when installing your doors. 99 of the residential garage doors that we run across are different than these widths.

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. When constructing a new garage the opening for a 16 7 garage door the opening should measure 16 7. If you are installing a 9 wide door the opening will be 9 3 wide. Install the header on top of the trimmers and nail.

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. Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches. If you are installing a 9 wide door the opening will be 9 3 wide. After installing the jambs your garage door opening should now be the same size as the garage door.

For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide. If it s 9ft the opening must be 9ft 3 inches and so on. Next you will need to know your door height. 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.

Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening. This will give you room to space the door frame off of the sub floor. It is important to note. You should add 2 1 2 to the height of the actual door.

Frame the rough opening to 3 inches wider than the garage door size you have selected. The 16 7 opening should be after the header and all the trim work is installed. 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. Standard garage doors in our area are 8 9 16 and 18 wide.