Making Garage Door Opening Taller
One way to do it would be to get wall extensions for the entire the garage and then cut the roof of the garage off lifting it up to the height you want it.
Making garage door opening taller. That is the side where your truck is to go you can build out on the back side. To put it into perspective if the garage door is let s say 8ft tall make the height of your opening 8ft 1 5 inches tall. Easy to do and it can solve alot of problems. This means building a wall that spans the entire distance of the opening and is strong enough not to move until you are done.
Before removing the header you will have to support the roof above it. Usually 4 or 8 feet. If you are lucky it s in good shape and either made from 2x12 s or even better a glulam beam. Because garage doors are usually sized to snugly fit the dimensions of the garage itself making the door larger usually means making the garage larger.
The height of the rough opening must be 1 5 inches taller than the garage door you intend to buy.