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Wi-Fi placement audit · Mainland homes and businesses

Access Point Placement Review in Texas City, TX 77590

Texas City buildings are hard on Wi-Fi in their own particular ways: postwar houses with plaster walls, steel warehouses near the port, and outdoor equipment living in salt air. A placement review finds out whether your access points sit where they can actually do their job, and ranks the fixes by what each one is worth.

Plaster and metal-lath wallsSteel buildings and warehousesSalt-air outdoor checksRoaming and channel analysisRanked fix list

Three questions a placement review settles

A placement review is an inspection of Wi-Fi you already own. We are not there to sell a new system; we are there to answer three questions with measurements rather than guesses.

  1. Is each access point in the right spot for the rooms, aisles, or offices it is supposed to serve?
  2. Are the access points helping each other or getting in each other’s way, through overlapping coverage, clashing channels, or transmit power set too high?
  3. Is the remaining problem a placement problem at all, or is it cabling, the internet service, or one misbehaving device?

In 77590 we see a wide spread of buildings: older neighborhoods of postwar houses, newer subdivisions on the west and north sides of town, and a large base of commercial and industrial buildings serving the port and the refinery and chemical complex along the waterfront. The same three questions apply to all of them, but the answers look very different, so the sections below are organized by building type.

What you notice, and what it usually points to

What you noticeMost likely placement causeWhat we check
Full bars, but pages stall and calls break upAccess point shouting, device too quiet to answer; or two access points on the same channelTransmit power, retry rates, how strongly the access point hears the device
Your phone stays on the far access point after you walk to the other endCoverage cells overlap too much and nothing nudges devices to moveCell overlap, minimum signal settings, roaming assistance features
Fine in the morning, unreliable by afternoonAccess point in a hot attic or ceiling space; neighbors’ networks busier later in the dayDevice temperature and reboot history, channel utilization by hour
One room went dead after a remodelNew wall with foil-backed board, tile on mesh, or a large mirrorWhat the new wall is made of
Scanners drop in one warehouse aisleAccess point mounted too high or over the racking instead of the aisleMount height, aisle direction, what is stored on the shelves
Everything is slow everywhere at onceNot placement: the internet circuit or an uplinkWired speed test at the router and at each access point’s switch port

Postwar houses: plaster, metal lath, and the crawlspace advantage

A good share of Texas City’s housing went up in the 1940s through the 1960s for the families working the plants and the port. Some of those homes still have original plaster walls, and plaster matters to Wi-Fi. Plaster troweled over expanded metal lath, a steel mesh, behaves like a screen: a single wall of it can take a large bite out of a 5 GHz signal. Plaster on wood lath is dense but far less severe. Bathrooms with tile set in a mesh-reinforced mortar bed act the same way.

A quick homeowner test: run a strong magnet along the wall. If it catches all the way across, not just at nail and stud lines, there is probably metal lath behind the plaster. Many remodeled houses keep exactly one such wall in the middle of the floor plan, and it tends to be the wall between the router and the bedrooms.

The upside of pier-and-beam

Many of these older homes sit on pier-and-beam foundations with a crawlspace. That makes relocating an access point to the true center of the house far simpler than on a slab, because a cable can run underneath and come up in a wall or closet. In a humid, near-coastal crawlspace we keep that cable supported off the soil and choose a jacket rated for the conditions. On slab homes the route goes through the attic instead, with the access point mounted on the ceiling below rather than sitting in the attic heat.

Homes that were raised after flooding raise a different issue: the internet line often ends at ground level in a storage or garage area, a full story below the living space. An access point on the living floor, fed by one cable up from the provider’s equipment, fixes that far better than a stronger router downstairs.

Steel buildings, warehouses, and yard offices

On the commercial side of 77590, much of the work is in pre-engineered steel buildings used by fabrication shops, marine and industrial suppliers, contractors, and distribution operations. Steel walls and roofs keep signal inside and bounce it around; modern Wi-Fi copes with the reflections, but almost nothing gets out to the yard or into a separate office trailer.

  • Too high. Access points bolted near the roof peak thirty feet up leave the floor weak for a handheld held at waist height. Standard ceiling models are designed for office-height ceilings; high bays call for units with suitable antenna patterns, or lower mounting on columns or purlins.
  • Over the racks instead of the aisles. Shelving loaded with liquids or metal parts absorbs and blocks signal. Access points belong over or along the aisles people actually work in.
  • The wall between office and warehouse. Where a masonry fire separation divides the front office from the warehouse, the office access point will not cover the floor behind it. Each side needs its own.
  • 2.4 GHz-only devices. Many barcode scanners, label printers, thermostats, and sensors still connect only on 2.4 GHz, so that band’s three usable channels have to be planned, not left to chance.

A placement review covers offices, shops, warehouses, and homes. Work inside classified hazardous areas of a plant carries its own equipment ratings and permitting and is outside the scope of this visit.

Anything mounted outside near the bay needs its own checklist

Humidity and salt air speed up corrosion of exposed connectors, brackets, and enclosures. A good share of intermittent outdoor dropouts we see traces back to a connector rather than to where the access point is aimed. When we review outdoor access points and bridges we check:

  • That the unit is actually rated for outdoor use, not an indoor model tucked under a patio roof or porch ceiling.
  • That cable entries face downward and have a drip loop, so water runs off instead of following the cable into the port.
  • Sealed cable glands on outdoor Ethernet connections, and outdoor-rated, UV-resistant cable.
  • Stainless or coated mounting hardware, and whether brackets loosened in the last big wind event.
  • Green or white oxide on contacts, a common cause of links that fail only in damp weather.

How the review runs, from arrival to the written report

We start with a rough floor plan and a list of the complaints, then get administrative access to your network controller or app, with you or your IT contact present, so we can read what the equipment reports about itself.

Next come readings at the height devices are actually used: a phone in hand, a scanner at the belt, a laptop on a desk, never from the top of a ladder. We record signal strength and noise on each band, run throughput tests to a wired laptop so the internet circuit is not part of the measurement, and carry an active call across the building end to end to watch roaming.

Then the wiring side. An access point whose switch port has negotiated at 100 Mbps instead of 1 Gbps usually points to a damaged pair or a bad termination, and that caps its speed no matter where it hangs. We also check the switch’s Power over Ethernet budget and the length of each run.

The report ranks recommendations by impact: moves, setting changes, cable repairs, and only then any additional hardware. Texas City is a drive from where we are based in Katy and Houston, so call (832) 359-2425 to confirm scheduling for your address.

What changes the scope and price

  • Building type, floor area, and how many access points there are to evaluate.
  • Whether high-bay mounting needs a lift rather than a ladder.
  • After-hours work for businesses that cannot have Wi-Fi interrupted during operations.
  • For relocations, whether the route runs through a crawlspace, an attic, or surface raceway.
  • Outdoor hardware that has to be replaced because of corrosion.
  • Whether anyone still has the controller’s admin login. If not, a reset and full reconfiguration adds time.

You receive an itemized quote after we have seen the building, so each line item can be approved or declined on its own.

Mistakes that bring us back

  • Moving an access point without re-planning channels, so it now sits beside a neighbor on the same channel.
  • Automatic channel selection left to run unchecked until several access points settle on the same one.
  • Turning off Wi-Fi on the provider’s router in the app but not on the device, leaving a hidden competitor.
  • Mounting an access point flat against a steel beam, which distorts its antenna pattern.
  • Cutting transmit power so far that gaps open between coverage cells.
  • Splitting the network into separate 2.4 GHz and 5 GHz names and forgetting which devices can only use 2.4 GHz.

Frequently asked questions

How can I tell if my walls have metal lath behind the plaster?
Run a strong magnet across the wall. If it grabs everywhere rather than only at nails and studs, metal lath is likely. Knocking a small inspection hole inside a closet confirms it. Either way, we plan access point positions so the signal does not have to cross that wall.
Our warehouse Wi-Fi is fine near the office but dies at the dock doors. Why?
Usually the access points are either behind a masonry separation wall, mounted too high, or placed over racking rather than the aisles. Dock areas also have large steel doors that change the signal depending on whether they are open. We measure with the doors in both positions.
Should we split our network into separate 2.4 GHz and 5 GHz names?
Generally no. One name with sensible band steering serves most homes and offices better. The exception is a set of 2.4 GHz-only devices that struggle to join; they sometimes get their own 2.4 GHz network, which we set up deliberately rather than as a workaround.
Can you review Wi-Fi inside a plant?
We review offices, shops, warehouses, and administrative buildings. Classified hazardous areas require specially rated equipment and site permitting, and a placement review does not cover them.
Do you come to Texas City?
Yes. EVOTECH serves Texas City and the Mainland from Katy and Houston; there is no local office in Texas City. Phone (832) 359-2425 so we can confirm a visit date for your location.

Get a measured answer instead of another router

Book an on-site estimate for your Texas City home, shop, or warehouse. We will confirm scheduling for your address, take readings where the problems are, and leave an itemized quote ranked by impact.

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