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Question DetailsAsked on 10/11/2015

new garage doors hung, replaced cement floor now garage doors won't close...can the doors be adjusted, costly?

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2 Answers


If your doors are wood the bottom of the door can be cut by good handyman to match slope of the floor.

If metal call out garage door man for expert opinion and hanging adjustment. Tell repair person up front what your repair issue is- Garage door has gap at top. and will not tightly close.

If door closes completely and gap is at top of door, use handyman to close off opening or buy new garage door.

FYI I would ask concrete floor guy why you are having this issue before paying 3rd party to repair it.

Jim Casper old contractor

ps for ideas on gutters and gutter covers see my blogs

Source: www.heartlandmastershield,com

Answered 4 years ago by jccasper


As prior answer said - if not mating well at the floor (so intermittent gaps under) but otherwise closing OK, you can trim the bottom of the door or put in a thick sealing strip (bulb type) to accomodate the difference. If it is because the floor is out of level, then the garage floor contractor should come back and put in a levelling sill to patch the door - being careful not to raise the slab enough to interfere with your tallest car going in and out.

If door is not closing all the way or wants to close too far, assuming this is not a large difference (not more than an inch or maybe two) then the lift arm (assuming conventional rollup door) can be adjusted to change where the door wants to stop. Some have multiple bolt holes, some have screw adjustable setpoints for closure.

There are also typically adjustments that can be made in where the garage door opener stops - both in terms of the limit switch that stops it whe the door reaches a certain point, and also typically by moving the drive belt or chain around a few notches or links on the motor gear, or by adjusting stops on a threaded shaft type opener. None of these should exceed probably $50-125 service call charge by a Garage Door technician, and probably zero parts cost except bulb type seal on bottom of door, if needed, typically about $20-40 parts for 16-20 foot wide door.

Answered 4 years ago by LCD

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