Standard Garage Door Rough Opening Sizes

Just add 2 to the width of the actual door size.

Standard garage door rough opening sizes.

Top garage door manufacturers include. 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. In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. 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.

Framing rough opening sizes are really quite simple. Standard width and height will be determined by the type of specific garage door. Words like rough opening are thrown around and i m not sure if we are speaking about the same thing. 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.

On either side of the door leave a minimum 150 mm to fit the garage door hardware as door is always wider than opening. Measure the backroom the distance from the garage door opening to the back wall of the garage. Use shims and or caulk to seal gaps between wall and frame. To make my.

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. 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. 99 of the residential garage doors that we run across are different than these widths. Ordering a garage door based on a rough opening size can leave you with a door that is too big.

This will give you room to space the door frame off of the sub floor. Of frame is 40 x 86 as the frame face is 2 around all 3 sides. 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.

While building a new garage it is better to check available sizes make a selection and create a rough opening according to manufacturer specifications. 1 2 or 1 in one direction of the other will won t typically. Standard systems require 10 inches of headroom while some require 12 inches while garage door openers often require an additional three inches of clearance. You should add 2 1 2 to the height of the actual door.

Clopay wayne dalton and amarr. Big trucks bobtails and rvs are not the type of vehicles that can easily fit in a garage door of this length. Typically one big door for two car garage will cost less comparing to installing separate smaller doors for. 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 post is intended for purposes of clarifying how garage door sizes work and opening preparation.