Commercial roll-up door will not open in Las Vegas: what is actually broken and what to do in the next hour

A dock door that will not go up stops deliveries by the hour, and almost everything written about garage doors is written for a house. This is the triage for a commercial roll-up or sectional door in the Las Vegas Valley: what each failure looks like, what it actually means, and what not to do while you wait for a tech.

Stop pressing the button. A commercial roll-up door that will not open is nearly always one of five things, and which one it is decides whether this is an hour of work or a new curtain. If the operator makes a noise and the curtain does not move, you are looking at a broken counterbalance spring inside the barrel, a curtain bound in its guides, or a drive that has lost its grip on the shaft. If the operator is silent, start at the power and the safety circuit, because a safety edge or a photo eye that thinks something is in the way locks the door out on purpose, and that is the cheap end. Cycling the button against a jam is what turns a spring job into a curtain job. Call (702) 744-7333 and we will tell you which of the five it is before anything is taken apart.

Commercial roll-up door will not open: the two minute triage

Before anybody touches the door, answer three questions. Does the operator make any noise at all when you hit the up button? Does the curtain move even a fraction, or shudder, before it stops? And is anything visibly out of line at the bottom bar, in the guides, or at the point where the curtain meets the barrel? Those three answers separate the five failures below, and they take about two minutes to collect.

Once you know which of those five it is, the repair is a different job and a different part in each case, and for a business the number that matters is how long the opening stands idle. That is the whole point of commercial garage door repair in Las Vegas: common commercial springs, rollers, cables and operator parts ride on the truck, and tall doors get scissor-lift access instead of a ladder and a hope.

The curtain is bound in its guides

This is the most common one in this valley and it is the one that gets made worse. A rolling steel door is a curtain of interlocking slats that has to slide freely in a guide on each side. Fine valley dust packs into those guides and into the slat interlocks, and a door that cycles forty or fifty times a day grinds that dust into a paste with whatever grease is left. The door starts to drag, the operator pulls harder, and one day it stops partway and will not go either direction.

You can see it from the floor. The curtain will be sitting slightly crooked, or one side will be further out of the guide than the other, or there will be a visible scrape line where the slats have been riding against the guide instead of inside it. The temptation is to run the operator again, or to pull on the chain hoist, and that is the mistake. A bound curtain driven under power is how slats get bent and how a bottom bar gets pulled out of square. A slat is a part; a bent curtain is a door.

What to do: nothing mechanical. Leave it where it is, keep the forklift traffic away from it, and get somebody out. Cleaning and relubricating the guides, straightening a slat and resetting the curtain is routine work. Replacing a curtain somebody forced is not.

The counterbalance spring inside the barrel has broken

On a house door you can usually see the torsion spring on a shaft above the opening, and you can see the gap where it snapped. On a commercial coiling door you cannot, because the counterbalance lives inside the barrel the curtain rolls onto. Nothing looks different. The symptom is weight: the operator strains, the breaker may trip, and if you put it on the chain hoist the door feels impossibly heavy, because the spring that was carrying most of that weight is no longer carrying any of it.

Heat and cycle count are what kill them here. A spring is rated in cycles, not years, so a door that opens fifty times a day gets through a standard rating in a fraction of the time a house door takes, and a 110 degree afternoon on a metal barrel does the rest. On a sectional commercial door the springs are replaced in pairs for the same reason they are on a residential one: the second one is the same age as the first. For a door that genuinely runs all day, high-cycle springs sized to the actual use are the difference between a planned service call and an unplanned one.

Do not put anybody on a ladder to look at this. A counterbalance assembly holds enough stored energy to cause serious injury and it holds it whether the door is up or down.

The operator runs and the curtain does not move

On a commercial door this is a different fault from the same symptom on a house door, and it is worth being clear about which one you have. A residential opener that hums without moving the door has usually stripped a plastic drive gear or come off its trolley, and the seven causes we find when a Las Vegas garage door will not open covers that side in order. A commercial jackshaft or chain hoist operator drives the barrel shaft directly, so when it runs and the curtain stays put, the connection between the drive and the shaft has failed: a sheared key, a loose coupling, a slipped or broken drive chain, or a sprocket that has worked its way along the shaft.

The tell is sound. A drive that has lost the shaft usually sounds completely normal, because it is spinning freely with no load on it. A drive that is fighting a bound curtain or a broken spring sounds strained. If the operator sounds exactly as it always has and the door is motionless, look at the drive end rather than at the door.

A trailer or a forklift has knocked the door out of line

On a loading dock this is not an edge case, it is a weekly risk, and the damage is often nowhere near where the impact was. A trailer backing in and catching the bottom bar can twist the whole bottom of the curtain enough that it no longer enters the guides squarely, which jams the door three feet up. A forklift mast catching a sectional door can push one panel back far enough to pull the rollers out on that side, and the door will then run until the moment the damaged panel reaches the curve in the track.

If the door stops at the same height every time, that height is the clue. Something at that point in the travel is not passing. Mark it, do not force past it, and tell the tech where it stops, because on a tall door that single fact saves a lap of diagnosis. Damaged slats on a coiling door and damaged sections on a sectional door can usually be replaced individually, and we will quote the repair against the replacement so the decision is yours rather than ours.

Tall doors are the other half of this. Reaching the barrel, the drive and the top of the curtain on a high bay door needs lift access, not a ladder, and you can see the valley commercial work we have done that way in our real Las Vegas job photos.

The door has locked itself out on its own safety circuit

This is the cheap one, and it is worth checking before you call anybody. A commercial door usually has more safety devices than a residential one: photo eyes across the opening, and often a safety edge, which is a pressure-sensitive strip along the bottom bar wired back to the operator. Either one, if it reports an obstruction, will stop the door from closing and on many installations will refuse to let it open under power either, by design.

If the eyes are clean, the beam is clear, the edge looks undamaged and the door still will not move, stop there. Past that point it is the wiring, the edge itself or the operator's logic, and all three are tech work.

24 hour commercial garage door repair in Las Vegas

A down door on a commercial building is not only lost hours, it is often an unsecured building, and that is why we answer the phone at any hour rather than at the start of the next business day. Angels Garage Doors is available 24/7 for garage door emergencies across the Las Vegas Valley, and a door that has failed open on a warehouse or a shop is the clearest example of a call that cannot wait for morning. If your situation is a door standing open overnight, that is an emergency garage door repair and it should be the call you make now.

On timing, the published policy is the same for a business as it is for a house: evenings and weekends carry no surcharge, and after 9pm and on holidays there is a $95 surcharge, stated on the phone before anybody is dispatched. Where a door can be worked on outside your operating hours instead, say so when you call and we will try to put it there, because a planned two hours is cheaper to a business than an unplanned one. Commercial coverage runs across the valley, including the north industrial areas and Sun City Aliante that our North Las Vegas garage door repair page sets out.

What a commercial door call costs in Las Vegas

Two commercial lines are published and they are the two that answer the question most businesses actually ask. The commercial service call is $95 and it is applied to the repair, so it is not a fee on top of the work. Commercial spring or operator work runs $450 to $1,200 with a written quote, and the spread is that wide because a safety edge and a barrel counterbalance are not the same job. Both lines sit on the Las Vegas garage door price list with the residential bands, and the written price comes before anything starts.

What is not published is a number for a curtain, a full operator replacement or dock damage, and it is not published because there is no honest single range for it. Those are quoted on site once somebody has seen the door, the barrel, the drive and how often it runs. The one thing we will tell you on the phone is which of the five failures above it sounds like, so you are not agreeing to a visit blind.

Why nothing you find when you search this is about a commercial door

This is worth saying plainly because it is the reason this page exists. Search for commercial garage door repair in Las Vegas on a desktop today, as we did on October 12, 2026, and page one gives you: a residential service-area page, a national cost page quoting residential repair prices of $125 to $350, two commercial door installation pages, a directory list for commercial doors whose top three entries are ornamental iron fabricators rather than overhead door contractors, and four more directories. Not one page on it tells a shop manager standing in front of a dead dock door what is likely to be wrong.

That is not a complaint about anybody, it is just what the results are, and it means the first few answers a business finds under pressure are either priced for a house or selling a new door. The five failures above are the ones we are actually called out for on commercial doors in this valley, in roughly that order of frequency, and the triage at the top is the one we run down the phone before we get in the truck.