Standard Garage Door Rough Opening Sizes

This post is intended for purposes of clarifying how garage door sizes work and opening preparation.

Standard garage door rough opening sizes.

To make my. 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. Standard sizes standard garage doors in our area are 8 9 16 and 18 wide. Clopay wayne dalton and amarr.

Ensure there is a minimum of 2100mm unobstructed space to allow garage door to open correctly people often angle the roof of garage make sure at lowest point there is a minimum of 350 mm lintel headroom clearance. 1 2 or 1 in one direction of the other will won t typically. Framing rough opening sizes are really quite simple. Big trucks bobtails and rvs are not the type of vehicles that can easily fit in a garage door of this length.

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. 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. In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. Measure the backroom the distance from the garage door opening to the back wall of the garage.

If you have a lot of other stuff inside of your garage and it is bigger then you may need a bigger door. On either side of the door leave a minimum 150 mm to fit the garage door hardware as door is always wider than opening. Typically one big door for two car garage will cost less comparing to installing separate smaller doors for. This will give you room to space the door frame off of the sub floor.

Words like rough opening are thrown around and i m not sure if we are speaking about the same thing. 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. Standard width and height will be determined by the type of specific garage door. Of frame is 40 x 86 as the frame face is 2 around all 3 sides.

99 of the residential garage doors that we run across are different than these widths. Click here for more info on standard garage door sizes. Ordering a garage door based on a rough opening size can leave you with a door that is too big. Top garage door manufacturers include.

Use shims and or caulk to seal gaps between wall and frame. A opening width 4 1 2 b opening height 2 1 4 the rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame. A garage will need backroom that equals the door height plus 18 inches and possibly more. Now all you need to know is how to properly frame your door rough opening.

You should add 2 1 2 to the height of the actual door.