Door Handing: Inswing vs. Outswing, and Which Hand Is Yours

Two different specifications get bundled into one word on a door quote, and they are not the same thing. Handing says which jamb carries the hinges. Swing direction says which side of the wall the panel travels to when it opens. You need both, stated unambiguously, before anyone can order a door.

This is worth getting right because it is one of the few decisions on a replacement project that cannot be corrected on site. A prehung exterior unit arrives machined for exactly one hand and one swing: the jamb is mortised for hinges on a particular side, the threshold is the version built for that swing, and the weatherstripping sits where a panel closing in one direction will meet it. Nothing about that can be flipped in the driveway. The wrong hand is a reorder, not an adjustment.

The short version: stand outside the opening and look at the hinges — that jamb gives you the hand. Then say which way the panel travels. Inswing is the default on North Texas entries, and it is the only swing that can use the code exception allowing a porch to sit several inches below the threshold. Outswing earns its place where there is no interior floor to give up, but it needs a landing almost level with the threshold, protected hinges, and it rules out a storm door.

Two Specs, Not One

Because handing and swing are independent, there are four combinations rather than two: left-hand inswing, right-hand inswing, left-hand outswing and right-hand outswing. Every real door is one of the four, and a quote that names only one half of the pair is incomplete.

Some of the frame vocabulary matters here, so it is worth borrowing precise definitions. The Efficient Windows Collaborative glossary defines the jamb as the vertical member at the side of a frame, the sill as “the lowest horizontal member in a door, window, or sash frame,” and the threshold as “the member that lies at the bottom of a sliding glass door or swinging door; the sill of a doorway.” Handing is a statement about the jambs. Swing direction is mostly a statement about the threshold and the stops.

You will also run into the word reverse. It is one industry shorthand for an outswing: under that convention a right-hand reverse door has hinges on the right as viewed from outside and swings toward you. Other suppliers drop the word entirely and simply write right-hand outswing for the identical unit. Both are in circulation, which is reason enough never to put the abbreviation on an order without the words beside it.

How Handing Is Actually Determined

The convention among the manufacturers we install is to hand a unit from outside the house. Andersen states it without hedging in its window and patio door handing guidance: it “hands all windows and patio doors from the EXTERIOR of the home,” and it “highly recommend[s] viewing the unit from the exterior to determine the handing.” It also covers the case where you cannot get outside the opening — in situations where viewing from the exterior is impractical or impossible, the reference reverses, so hinges that appear on the left from inside the house are on the right from outside.

So the procedure is short:

• Stand outside, facing the door. Not in the doorway, and not inside the house. Outside.
• Note which jamb the hinges are on. That is the hand — left jamb, left-hand; right jamb, right-hand.
• Note which way the panel travels. Toward you as you stand outside is an outswing. Away from you, into the house, is an inswing.
• Write it as a sentence, not a code. “Standing outside, hinges on the right, door swings into the house” cannot be misread by the next person who handles the order. “RH” can.

Sliding patio doors are handed by a different question, because nothing hinges. Andersen hands gliding patio door units from the exterior of the home too, based on the location of the operating panel when viewed from outside, and the unit is handed as a whole rather than panel by panel. If you are weighing a slider against a hinged pair in the first place, our comparison of a sliding patio door vs. a French door covers that decision, including why outswing is often the better answer on a covered DFW patio.

One more caution, because conventions are not perfectly uniform across the industry: Andersen’s own guidance notes that there are occasional exceptions to its rule and directs readers to product-specific information. Treat the handing on a quote as something to confirm rather than assume, and attach a photo of the opening taken from outside. A photograph has never been misinterpreted.

What Actually Changes When the Swing Changes

Swing direction is not a setting. It changes real parts, which is why it has to be decided before the unit is built:

• The threshold is a different part. Inswing and outswing thresholds are not the same component mounted backwards — the cap, the drainage path and the geometry the door sweep meets all differ, because the panel is seating from the opposite side.
• The stops and weatherstripping move. An inswing panel closes against a stop on the exterior side of the frame; an outswing panel closes against a stop on the interior side. The seal is positioned for one of those, not both.
• The hinges face a different direction. On an outswing door the barrels and pins are accessible from outdoors, which is why hinges with non-removable pins or security studs belong on the order rather than being left to chance.
• Hardware availability narrows. Not every handleset, multipoint lock or closer is offered for both swings in a given product line. Pick the swing before you fall in love with the hardware.
• A storm door becomes impossible. A storm door mounts in the exterior casing and swings out, into the same arc an outswing primary door needs. You get one or the other. If that trade matters to you, our guide on whether storm doors are worth it is the place to settle it — before the door is ordered.
• The clear space moves from one side of the wall to the other. An inswing door spends interior floor space; an outswing door spends porch or patio space. Neither is free. Measure the actual arc, panel width plus hardware projection, on whichever side it lands.

Both swings are normally available. Andersen lists its residential entry doors as “available for both inswing or outswing operation,” with a low-profile sill among the options — so the swing is an ordering decision rather than a product limitation. The same logic is what locks it in: ProVia ships its prehung exterior door packages with the door already hung in the frame, the sill and built-in threshold pre-installed, and hinges pre-installed where applicable. Handing and swing are decided at the factory, which is exactly why they have to be right on the paperwork. Our guide to prehung vs. slab door replacement covers why a real exterior door replacement is a frame job in the first place.

The Code Point Most People Miss: The Landing

Here is the constraint that decides more swing conversations than preference does, and almost nobody raises it until the measurement visit. Section R311.3 of the residential code requires a landing or floor on each side of each exterior door, with each landing not less than the width of the door served, a dimension of not less than 36 inches measured in the direction of travel, and a slope at exterior landings not exceeding a quarter inch per foot.

Then comes the elevation rule. At the required egress door, landings or finished floors “shall be not more than 1½ inches lower than the top of the threshold.” There is an exception, and it is the whole story: the landing or floor on the exterior side may be as much as 7¾ inches below the top of the threshold — “provided that the door does not swing over the landing or floor.”

An outswing door swings over its landing by definition, so it cannot use that exception. Read the two together and the practical consequence is clear: a front entry with a step down to a porch slab can take an inswing door without anybody thinking about it, and converting that same opening to outswing may mean building the porch up to within an inch and a half of the threshold. That is concrete work, not door work, and it belongs in the conversation before a unit is ordered rather than after it is delivered.

The dimensional requirements on the egress door itself are worth knowing alongside it. The code requires that not less than one egress door be provided for each dwelling unit, that it be side-hinged, and that it provide a clear width of not less than 32 inches measured between the face of the door and the stop with the door open 90 degrees, and a clear height of not less than 78 inches measured from the top of the threshold to the bottom of the stop. It must also be “readily openable from inside the dwelling without the use of a key or special knowledge or effort.” Other doors are not required to meet those minimums.

Note what the code does not say: nothing in it dictates which direction a dwelling’s egress door has to swing. The constraint is the landing, not the swing. And as always, confirm the edition your city has adopted along with any local amendments — Plano, for instance, publishes its adopted building codes and ordinances — because editions and amendments do vary across the 24 cities we serve.

When Inswing Is the Right Call

It is the default on North Texas entries, and the default is usually right:

• The landing exception is available to you. If the porch or stoop sits meaningfully below the threshold, inswing is the swing that lets you leave it alone.
• A storm door or screen stays possible. Which keeps shoulder-season ventilation and finish protection on the table.
• The hinge hardware is indoors. Out of the weather and out of reach.
• It matches what is already there. On a replacement, keeping the existing swing keeps the scope on the door instead of spreading into the porch, the flooring and the furniture layout.

The cost is interior floor space. The arc has to stay clear, which rules out a console table in the entry, a door that opens onto the top of a stair, or a coat closet whose own door collides with it.

When Outswing Earns Its Place

It is a minority of openings, but on those openings it is the better answer:

• There is no interior floor to give up. A small entry, a landing at the top of a stair, or a utility door into a tight laundry or mud room.
• A covered patio with a hinged pair. Outswing French doors keep both leaves out of the room and put the swing where the roof is already protecting it.
• The panel seats toward its stop under pressure. An outswing closes against an interior stop, so pressure from outdoors pushes it onto the seal rather than away from it. That is a mechanism, not a guarantee — compare the tested performance rating of the actual unit for the swing you are ordering rather than reasoning from the geometry.
• A screened porch where the screen is inboard. Then the storm-door conflict does not apply.

What outswing requires in return: a landing within an inch and a half of the threshold, hinges specified with non-removable pins or security studs, the threshold made for an outswing, and somewhere outside for the panel to go that is not a walkway or patio seating. For how the perimeter detailing comes together on either swing, see our guide to energy efficient exterior doors and our door installation page.

Getting It Right on the Quote

Five lines per opening, in writing, and the handing argument never happens:

• Swing direction, in words. “Inswing” or “outswing,” spelled out.
• Handing with the viewing side stated. “Hinges on the right viewed from the exterior” — not a bare “RH.”
• Threshold type, and that it matches the swing. Along with whether new weatherstripping is part of the unit.
• Hinge specification. Including non-removable pins or security studs on any outswing exterior door.
• Confirmation that the existing landing elevation suits the chosen swing. This is the one that saves a project, and it is the one most often missing.

If a quote reads only “replace front door,” none of the above is settled and there is nothing in it to compare against another bid. The size needs the same treatment — our guide to standard exterior door sizes explains why one door carries five different numbers and which of them belongs on the order. Our list of questions to ask your installer covers the rest of what belongs on paper.

How Bradley James Windows & Doors Approaches It

We are veteran-owned and owner-operated and we do not use subcontractors, so the person who stands outside your opening and writes down the handing is the person who places the order and the person who installs the door. There is no handoff for the spec to get lost in. We photograph every opening from the exterior, write the handing out in plain words rather than an abbreviation, and check the landing elevation against the swing before an order goes in — because a porch that needs building up is a conversation to have at the quote, not on installation day.

We specialize in full window and door replacement and do not offer glass-only, sash or repair services, so we install complete prehung units where the hand and the swing are set at the factory and verified before delivery.

Browse our entry doors, French doors and patio doors, see the full range of door types we install, read the rest of our homeowner guides, or request a free estimate anywhere in the 24 DFW cities we serve.