Rough opening do you need for a 16′, 18′, 8′, 9′, 10′, 12 foot garage door depends on several factors like single car garage door or double car garage door, framing materials and building code.
Standard garage door opening measured in terms of width and height which can vary by location but usually the single car garage door dimensions are 9 feet wide by 7 feet tall (9×7) or 9 feet wide by 8 feet tall (9×8). However, a double car garage door dimensions are 16 feet wide by 7 feet tall (16×7) or 16 feet wide by 8 feet tall (16×8).
If you want to make single or double garage for your car parking, there is a lots of questions comes in mind what is correct rough opening for garage door and how to install garage framing. There is few points you should know before framing.
Rough openings as the size of the opening before the finished lumber has been added to the jambs. Before you add your framing, the rough opening should be larger than the garage door you’ve chosen. Rough opening should be 3″ wider than the door width measured between the left and right edges. So, in a 10-foot wide garage door, the rough opening will be 10 foot and 3 inches wide.
The distance between the garage floor and the rough header should be one and a half inches (1-1/2″) taller than your new garage door’s height. For example, in a standard Eight-foot-tall garage door, the header should be 8′-1-1/2″ feet above the finished floor.
Garage door openings
The standard garage door openings width and height can vary by where you live, but is usually 8 feet wide by 7 feet tall, or 9 feet wide by 7 feet tall for a single car garage door. However 16 feet by 7 feet or 16 feet wide by 8 feet tall for a double car garage door.
Many homeowners have two cars and need garage space to shelter them both. The standard size for double garage doors is 16 to 18 feet wide and 7 to 8 feet high. Many 16 x 7 garage doors are designed with a pair of single 8-foot garage door bays. These bays are separated by a central post or column.
Garage door opening width
The most common opening width of a single car garage door comes in 8 feet, 9 feet or 10 feet wide. However the double car garage door is 16 feet or 18 feet wide. In addition, 20 feet wide are also used.
Garage door opening height
The most common opening height of a single car garage door or double car garage door is 7 feet or 8 feet tall.
Garage door opening size
The standard dimension for a single car garage door opening is 9 feet wide and 7 feet tall. However, other size like 9×8 (9 feet wide by 8 feet tall), 10×8 (10 feet wide by 8 feet tall), 10×7 (10 feet wide by 7 feet tall), 8×8 (8 feet wide by 8 feet tall), and 8×7 (8 feet wide by 7 feet tall) are also used.
The standard dimension for a double car garage door opening is 16 feet wide and 7 feet tall. However, other size like 16×8 (16 feet wide by 8 feet tall), 18×8 (18 feet wide by 8 feet tall), 18×7 (18 feet wide by 7 feet tall) and 20×7 (20 feet wide by 7 feet tall) are also used.
Rough opening definition
We refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. After finishing work it will be equal as garage door opening. Ordering a garage door based on a rough opening size can leave you with a door that is too big.
When referring to a rough opening, this is a garage door opening that has been framed with 2×4 lumber, but no finish work has been completed.
Frame the rough opening to 3 inches wider than the garage door you have selected. If you are installing a 8′ wide garage door, the rough opening will be 8’3″ wide. Once finished, the opening will be 8′ wide. The finished opening should be the same width and height as the garage door you have purchased.
◆ Important links:-
● Rough opening for 24, 28, 30, 32, 34, 38; 36 inch door
● Rough opening size for a window
Frame the rough opening to a height that is one and half inches (1- 1/2″) taller than the door that you have selected. If the door is 7 feet tall, frame the opening 7’1.5″.
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Rough opening for a 16′, 18′, 8′, 9′, 10′, 12 foot garage door
Rough openings for garage door should be 3 inches wider and 1-1/2″ taller than the actual width and height of garage door you have selected respectively. Header is 9 inch longer than width of garage door.
Frame the rough opening to 3 inches wider and 1-1/2″ taller than the width and height of garage door you have selected respectively.
In general, the rough opening for an 8 foot wide (8×7) garage door need to be 8′-3″ wide while the rough opening for a 9 foot wide (9×7) garage door need to be 9′-3″ wide. Likewise, the rough opening for a 10 foot wide (10×7) garage door need to be 10′-3″ wide while the rough opening for a 12 foot wide (12×7) garage door need to be 12′-3″ wide. In addition, the rough opening for a 16 foot wide (16×7) garage door need to be 16′-3″ wide while the rough opening for a 18 foot wide (18×7) garage door need to be 18′-3″ wide.
Rough opening for a 16′ garage door
The rough opening for a 16 foot wide (16×7) garage door need to be 16′-3″ wide and 7′-1 1/2″ tall. If you are installing an 8 foot tall (16×8) garage door, the rough opening height got to be 8′-1 1/2″ tall.
Rough opening for a 18′ garage door
The rough opening for a 18 foot wide and a 7 foot tall (18×7) garage door need to be 18′-3″ wide and 7′-1 1/2″ tall. If you are installing a 18 foot wide by an 8 foot tall (18×8) garage door, the rough opening got to be 18′-3″ wide and 8′-1 1/2″ tall.
Rough opening for a 12′ garage door
The rough opening for a 12 foot wide and a 7 foot tall (12×7) garage door need to be 12′-3″ wide and 7′-1 1/2″ tall. If you are installing a 12 foot wide by an 8 foot tall (12×8) garage door, the rough opening got to be 12′-3″ wide and 8′-1 1/2″ tall.
Rough opening for a 10′ garage door
The rough opening for a 10 foot wide and a 7 foot tall (10×7) garage door need to be 10′-3″ wide and 7′-1 1/2″ tall. If you are installing a 10 foot wide by an 8 foot tall (10×8) garage door, the rough opening got to be 10′-3″ wide and 8′-1 1/2″ tall.
Rough opening for a 8′ garage door
The rough opening for an 8 foot wide and a 7 foot tall (8×7) garage door need to be 8′-3″ wide and 7′-1 1/2″ tall. If you are installing an 8 foot wide by an 8 foot tall (8×8) garage door, the rough opening got to be 8′-3″ wide and 8′-1 1/2″ tall.
Rough opening for a 9′ garage door
The rough opening for a 9 foot wide and a 7 foot tall (9×7) garage door need to be 9′-3″ wide and 7′-1 1/2″ tall. If you are installing a 9 foot wide by an 8 foot tall (9×8) garage door, the rough opening got to be 9′-3″ wide and 8′-1 1/2″ tall.
Rough opening for a single garage door
The rough opening for a single car garage door got to be a 3 inch wider & a 1-1/2″ taller than the actual width and height of garage door respectively. So, if you are installing a 9′ wide and a 7 foot tall single car garage door, the rough opening need to be 9’-3″ wide and 7′-1 1/2″ tall.
Rough opening for a double garage door
The rough opening for a double car garage door got to be a 3 inch wider & a 1-1/2″ taller than the actual width and height of garage door respectively. So, if you are installing a 16′ wide and a 7 foot tall double car garage door, the rough opening need to be 16’-3″ wide and 7′-1 1/2″ tall.
Rough opening for a 16’×7′ garage door
A 16’×7′ garage door is measured as 16′ wide and 7 foot tall, so, for a 16’×7′ or 16′ by 7′ garage door, the rough opening got to be 16’-3″ wide and 7′-1 1/2″ tall.
Rough opening for a 16’×8′ garage door
A 16’×8′ garage door is represented as 16′ wide and 8 foot tall, so, for a 16’×8′ or 16′ by 8′ garage door, the rough opening will be 16’3″ wide and 8’1.5″ tall. Thus, you will need rough opening of 16’3″ wide and 8’1.5″ tall for a 16’×8′ size garage door used for double car parking.
Rough opening for a 18’×8′ garage door
A 18’×8′ garage door is represented as 18′ wide and 8 foot tall, so, for a 18’×8′ or 18′ by 8′ garage door, the rough opening will be 18’3″ wide and 8’1.5″ tall. Thus, you will need rough opening of 18’3″ wide and 8’1.5″ tall for a 18’×8′ size garage door used for double car parking.
Rough opening for a 10’×10′ garage door
A 10’×10′ garage door is represented as 10′ wide and 10 foot tall, so, for a 10’×10′ or 10′ by 10′ garage door, the rough opening will be 10’3″ wide and 10’1.5″ tall. Thus, you will need rough opening of 10’3″ wide and 10’1.5″ tall for a 10’×10′ size garage door used for single car parking.
Rough opening for a 10’×9′ garage door
A 10’×9′ garage door is represented as 10′ wide and 9 foot tall, so, for a 10’×9′ or 10′ by 9′ garage door, the rough opening will be 10’3″ wide and 9’1.5″ tall. Thus, you will need rough opening of 10’3″ wide and 9’1.5″ tall for a 10’×9′ size garage door used for single car parking.
Rough opening for a 8’×7′ garage door
A 8’×7′ garage door is represented as 8′ wide and 7 foot tall, so, for a 8’×7′ or 8′ by 7′ garage door, the rough opening will be 8’3″ wide and 7’1.5″ tall. Thus, you will need rough opening of 8’3″ wide and 7’1.5″ tall for a 8’×7′ size garage door used for single car parking.
Rough opening for a 9’×7′ garage door
A 9’×7′ garage door is represented as 9′ wide and 7 foot tall, so, for a 9’×7′ or 9′ by 7′ garage door, the rough opening will be 9’3″ wide and 7’1.5″ tall. Thus, you will need rough opening of 9’3″ wide and 7’1.5″ tall for a 9’×7′ size garage door used for single car parking.
Conclusion:-
In general, for a single (9×7) or double (16×7) car garage door, you may require rough opening to 3 inches wider & 1-1/2″ taller than the actual width and height of garage door respectively, so, if you are installing a 16′ wide and a 7 foot tall garage door, the rough opening will be 16’-3″ wide and 7′-1 1/2″ tall.