The truck arrives with the kitchen standing on its edge.
Stone travels vertically on an A-frame rack, because that is the only orientation in which a large thin panel is reliably strong. Laid flat on a bed it flexes over every expansion joint in the road and arrives cracked. So a finished kitchen leaves the shop as three to six pieces strapped upright, the largest of them often somewhere between three and five hundred pounds, and the first real event of the day is moving those pieces from the curb to the cabinet tops without flexing, dropping or cornering any of them.
Nearly every estimate compresses that into one word: installation. The word hides a morning that is mostly carrying, protecting and dry fitting, where the craft decisions are made standing up, quickly, by whoever has their hands on the slab. It is also the only part of the process the homeowner watches, which is why so many people are surprised by it.
The crew size and the route are both worth raising before the date is set, and asking this contractor how many people are coming and which door they intend to use will tell you more about the job than another look at a sample board. A two person crew and a four person crew handle an island piece very differently.
The route in matters more than the room
Suction cup carriers let two or three people lift a slab, but they do not make it narrow. A piece moves through a house at roughly its own width plus a hand on each side, held vertical, and it cannot be tipped past a certain angle without loading itself in the direction it is weakest.
That turns the route into a real constraint. A straight shot through a sliding door into an open kitchen is a non event. A front door, a right turn into a hallway, and a doorway at the end of it is a problem that gets solved either by removing the door and its stop, by going around through a garage, or by cutting the piece differently back at the shop, which is a decision that has to be made before fabrication rather than on the morning.
Lakewood's housing stock is mostly early nineteen fifties tract construction on flat ground, built quickly and in volume, and the original kitchens tend to be narrow rooms with one doorway at one end and a service door to the side yard or the attached garage. Those side doors are usually the answer. The things that complicate it are the additions, because a kitchen that was opened up into a converted porch or a den in the nineteen eighties often has its only wide opening on the far side of the new space, with a step at the threshold.
Parking is the other half. A slab cart needs a flat run from the tailgate to the door, and a driveway with a single car width, a parkway tree and a curb cut from another era gives the crew less room than a photograph suggests. Moving your own cars off the driveway the night before is the single most useful thing a homeowner does all day.
The first twenty minutes are protection
Nothing stone related happens when the crew walks in. They lay runners or hardboard on the floor along the whole route, they mask the cabinet faces and any painted trim at the corners, and they decide where a piece can be stood down safely if somebody needs to change grip.
If a temporary plywood top has been screwed to the base cabinets during the fabrication window, it comes off now, along with the screws, and the cabinet rails get a quick sweep. Sawdust and grit on a rail is a hump the stone has to bridge. A rail that was cut during cabinet install and never cleaned off is a surprisingly common reason a piece rocks on the first set.
The dry fit decides the day
Every piece goes down loose first, in order, with no adhesive anywhere. This is the moment the morning either stays a morning or turns into something else.
What the crew is reading in a dry fit is whether the back edge follows the wall, whether the seam faces meet flush and tight at the same time, whether the pieces together land where the template said they would, and whether the run rocks. A slab that pivots on a high spot has to be shimmed from below, and a slab with a long point touching a bowed wall has to lose material.
What gets fixed on site
A small amount of grinding on a back edge or a wall return is normal and expected. So is shimming cabinet rails, easing a cutout corner, adjusting a scribe where a wall leans, and polishing a field edge that was eased at the shop but needs a touch after a grind.
Site grinding makes dust, and dry grinding stone indoors makes a great deal of it. Good practice is to carry the piece back outside, cut or grind it wet on the trestles by the truck, and bring it back in. A crew that reaches for an angle grinder in the middle of your kitchen without a vacuum shroud is making a choice about your house, and it is reasonable to ask them to do it outside instead.
What does not get fixed on site
A cutout in the wrong place, a sink opening cut to the wrong bowl, a faucet hole drilled off centre, or a piece whose finished length is short cannot be rescued with a grinder. Stone is a subtractive material and nothing puts it back. That piece goes back on the truck, and the one that replaces it takes however long another slab, another cut and another delivery take, usually in the range of a week.
The same applies to a crack. A piece can arrive from the shop with a hairline across the narrow rail in front of a sink cutout, or it can develop one during handling, because that rail is only two or three inches of stone over a long unsupported span. It is the most fragile geometry in the kitchen and it is the one most often lost in transit. When it goes, that part of the run is re-cut rather than repaired.
None of these are rare enough to treat as an outrage, and all of them go better when somebody with authority is in the house. If the only person on site is a neighbour with a key, the crew will make the call themselves, and you will meet their judgement afterwards.
Setting the seam
A seam is assembled, not just butted. The two pieces are drawn together with a seam setter, which is a pair of vacuum pads and a screw mechanism that pulls the faces into contact while holding both halves at the same height. Height is the part that matters: a joint can be tight and still read as a ridge under a palm, and a ridge is what people notice for years.
The adhesive is a two part polyester or epoxy, and it gets tinted on the spot to match the stone, which is why there is a small palette of pigments and a mixing board on the floor. On a dark uniform material this is quick. On a veined white quartz or a busy granite, the honest result is a line that disappears from a few feet away and is visible if you look for it from above. Anyone who promises an invisible seam on a strongly patterned slab is describing a photograph rather than a kitchen.
While the setter is on, the crew checks the joint for flushness with their hands and with a short straightedge across it. Excess adhesive is squeezed out, cleaned off while it is soft, and then the joint is left alone. It kicks in minutes and cures over hours.
Shims, silicone and the sink
With the fit confirmed, the pieces come up one last time and go back down for real. Stone does not get glued down across its whole underside. It sits on dabs or beads of silicone on the cabinet rails, which hold it in place while still allowing the tiny amount of independent movement that a wood box and a mineral panel will always have against each other. Shims go under the rails, not under the stone, and any shim that shows gets trimmed back.
An undermount sink is usually attached at this stage from underneath with clips and epoxy, and on a heavy cast iron bowl it should also be carried by rails or a cradle fixed to the cabinet rather than hanging entirely off the slab. The faucet is not installed by the countertop crew in most arrangements, and neither is the disposal.
Then the perimeter gets caulked where the stone meets a wall, and that is the point at which the kitchen looks finished and is not.
Cure time sets the order of who comes next
The two things that need time are the seam adhesive and the sink attachment. Several hours is the usual guidance, and a conservative shop will say to leave the sink unloaded until the next day.
Booking the plumber for the same afternoon is the most common scheduling mistake on the whole project. A plumber connecting a drain and a supply is pushing and pulling on a sink that is held by adhesive that has not finished curing, and the result is either a job he refuses to do or a sink that moves slightly and has to be reset. Put him on the following morning. Nothing else in the sequence depends on him being there sooner, since the water has been off since the old top came out.
Disposal of the old surface is worth settling in advance as well, because broken stone and a mortar bed are heavy, sharp, and not a curbside pickup item in most of Los Angeles County.
The hour after the crew leaves
Walk it while the floor runners are still down. Run a flat hand across every seam rather than looking at it, because fingers find a height difference the eye forgives. Put a short level on the run both along its length and front to back. Look at the reveal around the sink on all four sides, since a cutout can be parallel on three and drift on the fourth. Open the dishwasher door fully and make sure it clears. Push down firmly at the front of the sink rail and at any overhang, and listen for movement.
Anything you find in that hour is a conversation. Anything you find in three weeks is a service call, and the crew has been in six other kitchens since.