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Door measured first – Cypress 77433

Connected Lock Installation in Cypress, TX 77433

Batteries gone in a fortnight. A bolt that stalls halfway and reverses. A keypad that has read dead every August since it went on. Almost every smart-lock complaint we are called to traces back to the door, the frame or the strike – not to the lock – which is why we measure the door before anybody opens a box.

Door measured before purchaseMultipoint doors assessedStrike and sag correctedEgress rules respectedFree on-site estimate

The door decides which locks are even candidates

A smart lock is a motor, a bolt and a radio bolted to a piece of joinery made years earlier by somebody who was not thinking about any of them. The motor is small, and it is asked to drive a bolt through a hole in a frame every day, in a climate where the frame moves. If that hole is a fraction out of line, the motor does the work anyway – by straining, retrying and eating batteries until somebody decides the lock is faulty.

So the useful order of operations is backwards from how these jobs usually start. We measure the door, establish which hardware can physically and legally go on it, and only then talk about brands, keypads and radios. This page is the mechanical half. The configuration half – accounts, codes, schedules, auto-lock behaviour – is separate work, covered on our connected entry device setup page.

Five numbers taken before a box is opened

These are the dimensions that decide whether a given lock fits, and each has a failure mode of its own when it is wrong.

MeasurementWhat we normally findWhat goes wrong when it is off
Backset – bore centre to door edge2 3/8 in or 2 3/4 inThe wrong fixed-backset kit will not reach the edge bore at all; an adjustable latch left on the wrong setting binds
Cross bore – the big hole through the face2 1/8 inUndersized and the chassis will not seat; oversized and the escutcheon cannot be clamped square
Edge bore – the hole the bolt runs in1 inToo tight and the bolt drags every throw, which the motor pays for
Door thickness1 3/4 in on a typical exterior doorTailpiece length and screw length are both set by this; a thick door with standard screws leaves the interior plate loose
Bolt projection into the strikea full 1 in throwA short throw is a security failure that still passes a casual test, because the door stays shut

Two more checks go with them: whether the door is handed hardware – levers and handlesets are, most deadbolts are not – and whether the existing prep has been painted, patched or enlarged by a previous installation. A bore that has been wallowed out by twenty years of hardware changes will not hold a new lock square, and that has to be repaired rather than ignored.

Multipoint entry systems, and why a newer front door often says no

This is the single most common reason we tell a Cypress homeowner that the lock they have already bought is not going on their front door.

A great many of the fiberglass and composite entry systems fitted to newer construction here are multipoint: you lift the handle and the mechanism throws hooks or rollers into the frame at the head and the sill as well as at the centre, then the thumbturn or key secures the whole gear train. That geometry exists to keep a large, glazed, foam-cored slab flat and sealed against wind-driven rain, and it works. What it does not do is accept an ordinary retrofit deadbolt, because there is no standalone deadbolt to replace – the securing action belongs to the multipoint gear.

There are three honest routes from there, and we will tell you which applies before anything is bought:

  • A motorised multipoint unit designed for that gear, which is a specific product class and not interchangeable between manufacturers.
  • A smart handleset from the door system’s own maker, where one exists for that gearbox.
  • Moving the connected lock to the door the household actually uses, which in most Cypress houses is the garage-to-house door, and leaving the front entry mechanical.

That third option is not a compromise as often as people expect. Front doors in these neighbourhoods see deliveries and guests; the door the family goes through five times a day is usually the one where a code and an auto-lock actually change daily life.

Boring a fiberglass or steel door without blowing out the face

If a door has never had a deadbolt, someone has to make the holes, and this is where a DIY install most often ends with a slab that has to be replaced.

A fiberglass entry door is a thin moulded skin over a foam core with wood or composite stiles at the edges. A hole saw entering that skin at speed lifts and chips it, and the damage is on the face you see from the street. The correct sequence is to locate off the stile rather than the skin, score the cut line, run the pilot all the way through, then cut from both faces so the saw breaks out into an existing hole rather than through finished surface – all of it with a boring jig rather than freehand.

Steel doors bring a different problem. The skin is thin sheet over a core, the cut edge is raw, and it will corrode in Gulf Coast humidity if left bare, so the cut gets sealed. Steel also matters for the radio: a metal slab in a metal frame sits directly between the lock’s antenna and the rest of the house, which is a measurable attenuator at 2.4 GHz.

Where existing prep is sound we would always rather fit hardware to it than make new holes. Every extra hole in an exterior door is a path for water and a place the slab can move.

Sag, strike and the alignment that quietly sets your battery life

Here is the test that predicts more smart-lock outcomes than any specification sheet. Close the door. Throw the deadbolt by hand. If you feel any resistance at all, any point where you have to push the door or lift the handle to get the bolt home, that lock will fail early on batteries no matter which brand goes on it – because the motor has no hand to push with. It simply stalls, reverses, retries and drains.

What we correct as part of the install:

  • Door sag. A slab that has dropped at the latch edge – from slab movement, from a heavy glazed door, or from hinge screws that only ever reached the jamb – gets pulled back by driving a long screw through the top hinge into the framing behind. It is a five-minute correction that fixes an alignment problem permanently.
  • Strike position and depth. The bolt must reach its full projection with clearance around it, not scrape the plate edge. That can mean repositioning the plate, deepening or squaring the pocket behind it, or fitting a strike with a radiused lip.
  • Fastener length. Short screws into three-quarter-inch jamb stock hold a strike plate against nothing. Long screws into the framing behind the jamb are both a security improvement and an alignment one, because the plate stops moving.
  • Weatherstrip compression. A fat new seal can hold the slab a few millimetres proud of where the bolt expects the strike to be, which is a surprisingly common cause of a lock that started failing right after a draught-proofing job.

We then test the throw with the door in its closed, latched, real-world state – not on the bench, where everything works.

West-facing entries, storm doors and Gulf Coast humidity

An exterior keypad here has a harder life than its designers assumed. Direct afternoon sun on a dark-finished escutcheon drives surface temperature well above the air around it, and consumer entry hardware carries an operating ceiling that a west or south-west facing Cypress entry can reach on a summer afternoon. The symptom is a keypad that is sluggish or unresponsive between roughly two and six o’clock and perfect by evening, which owners reasonably describe as random.

A storm door makes it considerably worse. The glazed outer door turns the entry into a small greenhouse with no ventilation, and the lock sits inside it. If a household wants both a storm door and a keypad, that is a design conversation before purchase, not a discovery afterwards.

Humidity and driving rain matter at the seams. We check that the exterior gasket seats evenly, that the ribbon passage through the door is not pinched where water can wick along it, and that the mounting is not creating a ledge holding standing water against the face. On uncovered entries – common on side and rear elevations here – the specification has to allow for direct wetting rather than assume a porch.

Getting a signal from the front door back to the equipment

The lock is at the outer face of the building. The hub is usually in a media closet at the far end of the plan. Between them, in a typical 77433 house, sit a brick veneer wall, interior framing, and quite possibly a steel door in a steel frame.

Which radio the lock uses changes the answer entirely. The sub-gigahertz protocols travel through building materials noticeably better than 2.4 GHz and cost far less battery, but they need a controller and a mains-powered node within reach to relay. The 2.4 GHz mesh protocols are more common in newer hardware and are competing with every wireless network on the street. A lock that joins the wireless network directly skips the hub and pays for it in batteries, because a full network radio is an expensive thing to wake up.

The practical fix is almost always the same, and it is cheap: a mains-powered node on the same protocol somewhere between the entry and the equipment, giving the lock one strong hop instead of one marginal long haul. We work out where that node belongs during the install rather than after the first round of complaints.

The install visit, the egress rule, and what moves the quote

A visit runs in a fixed order: measure the prep, confirm the chosen hardware genuinely fits, correct sag and strike, fit and align, throw the bolt repeatedly in the closed state, then hand over to commissioning.

Two rules we will not bend. On a dwelling, the inside of an exit door has to open without a key, a tool or special knowledge – which rules out certain double-cylinder arrangements people ask for after a break-in. And in a commercial suite, a fire-rated door assembly carries a label, and cutting new holes in that slab or frame voids it. If a connected lock is wanted on a rated opening, it has to be listed hardware installed in a listed way, and we will say so rather than drill it.

What moves the quote:

  • How many doors, and whether each is already bored.
  • Whether the door is a multipoint entry system.
  • Jamb, strike or sag repair needed before the lock can sit true.
  • Boring a virgin door, and the slab material it is cut in.
  • Whether a controller exists, and whether a relay node is needed for the radio path.
  • Gated or HOA access arrangements for the visit.

Estimates at the door cost you nothing, every line of the quote stands on its own, and where the honest answer is that your slab needs different hardware than the one sitting in the box, you will hear it while the box is still returnable rather than at the bottom of an invoice.

Frequently asked questions

How do I know whether my door is already prepared for a deadbolt?
Look at the edge of the door above the handle. If there is a rectangular faceplate with a bolt behind it, the prep exists and the job is a swap. If the edge is blank and there is no hole through the face, the door has never had a deadbolt and it has to be bored – which is a different job with a different risk, particularly on a fiberglass or steel slab.
Our front door has a handle you lift before locking. Can that take a smart lock?
That lift action means a multipoint mechanism, and a standard retrofit smart deadbolt will not work on it. Your options are a motorised multipoint unit matched to that gearbox, a smart handleset from the door system’s own manufacturer if one exists, or putting the connected lock on the door your household actually uses daily. We identify which of those applies at the estimate.
The lock we bought online says it fits all standard doors. Is that true?
It is true of the standard prep, and most doors here do have it. The claim does not cover multipoint entry systems, doors thicker or thinner than typical, doors with a bore that has been enlarged by previous hardware, or doors whose alignment is already marginal. The lock fitting and the lock working reliably are two different tests.
Our batteries last about three weeks. Is the lock defective?
Usually not. Three weeks is the signature of a motor fighting the door on every cycle. Close the door and throw the bolt by hand – if there is any drag or you have to push the slab, the alignment is the fault and the batteries are just the symptom. Correcting sag and the strike typically transforms battery life without changing any hardware.
Can you put one on the door between the garage and the house?
Often yes, and it is frequently the smartest door in the house to make connected, since that is the one the family uses every day. The caution is that the door separating an attached garage from living space is a rated assembly. If the slab carries a fire label, cutting new openings in it voids that label, so we work with the existing prep or advise a different approach.
Do you install locks we did not buy from you?
Yes, and we will tell you before we start whether the one you have will actually suit the door. We would rather have that conversation at the estimate, while the box is still returnable, than fit something that will generate a callback in six weeks.

Let us measure the door before you buy the lock

Book a free on-site estimate for connected lock installation in Cypress 77433. We check the prep, the frame and the radio path first, then quote the hardware and labour itemised. Call (832) 359-2425.

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