How to Fit a Sectional Garage Door

This guide gives information on the best way to fit a UK Specification Sectional Garage Door and give you some useful information to consider before making a purchase.

Things to consider:

Will the door be fitted between the opening or behind the opening?

Do you want to automate the door?

Do you want the door to have insulation?

AA-Best Garage Doors

These are the main concerns then you have the shade of the door and frame, window options and so on, the list of options is usually quite long so it’s a good idea to thoroughly read the pamphlet before deciding.

Between or Behind

In the main sectional garage doors are designed to be fitted behind the opening as this allows full drive through height and width to be obtained. Anyway Calgary Garage Door Fix it is not always conceivable to fit your new sectional door fully behind the opening. This could be that you do not have enough headroom or room behind the docks or in some cases you may not have wharfs on both sides of the opening.


Do you have enough room behind the lintel and back into the garage to ensure the tracks and gearing can be fitted correctly? A dependable guideline to help you conclude this would be to consider you are trying to push a crate the total height and width of the garage door all the way in to the garage. If there is something in the way like lights or the ceiling slants down then you may need to reconsider the type of door you want to fit, or make the necessary adjustments before the door is fitted such as moving lights out the way or raising/moving roof joists if conceivable etc.

Side room

Often gas and electric meters can be fitted on the wall of the garage and you may need to check they are not going to be in the way also. If they are in the way you could get your gas or electric supplier to move them. Providing they don’t have to move them too far this is usually free or they may charge an expense. Call them to perceive what their strategy is on this.


Measure you opening from one block to another at the bottom, center and top of the opening and write these measurements down. Now measure the floor to lintel measurements at the left, center and right of the opening and note them down. Do they match? If not put a 4 to 6 foot spirit level on the sides and lintel and floor to see where the opening is out of square. If the floor is out by more than 2cm then you may have a gap when the door is closed. Consider having the floor leveled before fitting the door. If the wharfs are not level you may need to arrange a slightly smaller door if it’s being fitted between the opening to ensure you can get the door fitted squarely. Then contact your Sectional Garage Door Supplier to have then request your door for you.

Removing your old door

BE VERY CAREFUL when removing garage door springs or cutting cables on canopy doors – if in doubt look for professional help!

If you have an existing canopy garage door to eliminate then you either need to un-tension the over-head spring or cut the cables. If your door is in fairly good condition you may want to sell it on eBay or in the local free ads paper then you can purchase new cones and cable before selling the door or carefully un-tension the spring to ensure the cables are still serviceable before selling the door.

Once the spring is done you need to eliminate the fixings holding the old door in place then lift the door out of the way and eliminate the frame if it is no longer being used. Now you can install the new garage door.