Keep a one-piece tilt-up if it is sound, balanced and its outward swing suits the way you park; go sectional if the arc gets in the way, the bottom is rotting, or you want a tighter seal and timer or app closing. No rule says a working tilt-up must go, and older single-panel doors still hang on some mid-century houses around Portland.
What follows will help you identify the door and weigh it against a sectional. When something on a tilt-up is already broken, our page on tilt-up door repair and conversion covers springs, pivot arms and swapping in a sectional door where the tilt-up hung.
How to tell whether you have a one-piece tilt-up door
Look at the inside face: a tilt-up is one flat panel with no rows of hinges across it, hung on heavy arms and springs at each side of the opening.
- Count the hinges. Sectional doors are built from two or more horizontal sections joined by hinges. A tilt-up has none across its face.
- Study the sides of the opening. A tilt-up hangs on pivot arms bolted to the jambs, usually with a long spring on each side. A sectional door rides rollers up vertical tracks.
- Watch the bottom as it starts to move. On a tilt-up, the lowest edge kicks out toward the driveway before rising. On a sectional door, it goes straight up.
- See where it ends up. Fully open, a sectional door lies flat on ceiling tracks behind the opening as a row of hinged sections. A tilt-up ends up overhead as one flat, unbroken panel.
Jamb-type and track-type: the two kinds of tilt-up
A jamb-type tilt-up hangs entirely on the side jambs and swings farther outside, while a track-type adds short top tracks that shrink the arc so you can park closer.
On a jamb-type door, every piece of hardware mounts to the side jambs. Part of its arc happens outside the garage, so a car has to stop farther back to avoid being struck as the door lifts.
A track-type tilt-up adds a short length of horizontal track at either side, with a roller at each top corner. The top of the door rolls back along those tracks as it rises, so the arc is smaller and you can park closer, though the bottom edge still moves outward.
Both layouts offset the weight of the single heavy panel with springs, mounted either beside the opening or on a torsion shaft above it, and on both, the pivot arms fold together like scissors as the door travels. Fingers and sleeves stay well clear of them.
Tilt-up vs sectional, side by side
A tilt-up needs clear pavement for its arc, seals less tightly and cannot close unattended, while a sectional needs no outside room, closes against a perimeter seal and allows one damaged section to be swapped.
| Point of comparison | One-piece tilt-up | Sectional door |
|---|---|---|
| How it moves | Pivots out at the bottom, then up and in | Rolls straight up, then back along the ceiling |
| Room needed in front | Clear pavement for the outward arc | Nothing beyond the door’s own thickness |
| Ceiling space when open | Similar to a sectional | Similar to a tilt-up |
| Closing against the frame | The panel must swing clear of the jambs, which leaves room for gaps | Sections close against a perimeter seal |
| Damage in one spot | No sections to swap, so the whole panel gets repaired or replaced | A single damaged section can often be replaced alone |
| Parts that wear | Pivot arms, side springs, jamb brackets | Rollers, hinges, cables, torsion or extension springs |
| Closing without anyone watching | Barred by the federal opener standard | Permitted after a warning of light and sound |
Why federal opener rules single out one-piece doors
The federal standard for residential openers, 16 CFR Part 1211, treats one-piece doors as their own case: openers are entrapment-tested on one, and unattended closing is barred on them.
An opener sold for more than one door type gets its entrapment test on two of them: a sectional door on a curved track, and a one-piece door that hangs on jamb hardware alone, without any track. In other words, the standard expects an opener to be able to move a tilt-up safely.
The same rule draws a firm line on unattended closing. A timer that shuts the door on its own, or a phone tap from across town, is not permitted on a one-piece or swinging door, while a sectional door may close that way only after at least five seconds of flashing light and sound.
An opener on a tilt-up still relies on its photo eyes and still needs the monthly reverse test. If it reverses late or not at all, park the opener until a technician resets it, because the outward arc puts the bottom edge right where people walk.
Living with a tilt-up safely
A tilt-up is safe to live with when everyone in the house respects its arc, its arms and its springs.
- Mark where the bottom edge reaches when the door swings out, and park behind that line.
- Keep bikes, bins and children out of the arc whenever the door is moving.
- Stay away from the pivot arms while the door is in motion, and lift only from a handle on the panel.
- If the panel begins crashing down or refuses to hold open, a spring is worn or snapped; our page on a door that slams shut explains what is happening.
- Leave spring and arm adjustments to a technician, since those springs carry most of the panel’s weight.
Keep it or convert it: the questions that decide
A tilt-up worth keeping is flat, square and dry at the bottom, and it suits the way you park and use the garage.
Run through these five questions before asking anyone for a quote, and answer them by how the garage really gets used.
- Does the outward arc ever hit a car, a downspout, a planter or a person?
- Is the lowest part of the panel sound, or soft with rot? The rot guide walks through a quick probe test.
- Do you want a smart opener that closes the door on a timer or from a phone?
- Will the garage be heated, or used as a workshop or home gym, where a tighter seal and an insulated door would matter?
- Is the opening a standard size, or will any new door have to be built to fit?
If the arc gets in the way, the wood is soft, or you want features a tilt-up cannot have, a new sectional door usually serves you better. If none of that applies, a well-balanced tilt-up can stay.
Portland treats a same-size swap as a door replacement, which the city exempts from building permits when the opening is neither widened nor reduced. Changing the opening’s size does need one, and our Portland permit guide covers where that line falls.
What to measure before you ask about converting
Measure the opening, headroom, side room and depth with a tape and a flashlight, note the nearest ceiling outlet and photograph the hardware, so a conversion quote starts from facts instead of guesses.
- The opening. Width between the jambs, and height from the floor up to the header, checked at both sides.
- Headroom. Clear height between the header and the ceiling, or whatever hangs lowest above the door, such as a beam, a pipe or a light fixture.
- Side room. Clear wall beside each jamb, measured to the nearest wall, shelf or water heater.
- Depth. The distance from the door back to the far wall, or to the first obstruction along the ceiling.
- Power. Where the nearest ceiling outlet sits, if you plan to keep or add an opener.
- Photos. The hardware on each side, both top corners and the base of each jamb.
Send those numbers with the photos and we can say whether a standard sectional fits, or whether it needs low-headroom hardware, before anyone drives out.