What we need to quote
We need the architectural or slab plan, the slab type (raft, waffle pod, suspended), the address, a rough pour date, and engineering details for retaining walls or step-downs.
Pre-Construction Termite Barriers in Willmot 2770 — local technicians, fixed prices and a written report. Barriers are quoted off your plans and slab details.
Real, verified feedback from people we've helped — straight from Google.
What we cover in Willmot, and how quickly we can get there.
Willmot is part of the Blacktown & Mount Druitt, 41.7 km or so west of the GPO, and 2770 is a postcode we know well. We travel out to Willmot on planned runs through the Blacktown & Mount Druitt, so booking a day ahead gets you the best slot.
Our Willmot work takes in the streets by Tandarra Park and Yiraaldiya National Park, through to Emerton Village at the other end.
Under Blacktown City, we cover Willmot and Ropes Crossing, Shalvey and Lethbridge Park alike. Newer estate housing sits close together on small blocks, so what happens next door matters. We check the boundary and the fence line, not just the house.
Willmot jobs tend to be estate houses with narrow side access and a shared fence line. Let us know which when you ring and we will plan the visit around it.
The whole of 2770 is covered, Van Diemen Park included.
The 2770 run is set the day before and you are given an arrival time. Where Ropes Crossing and Shalvey fall on the same round, we can usually bring the visit forward.
A barrier is only as good as its weakest penetration. One untreated conduit gives a colony a clean route into the frame.
A barrier does not stop being compliant when a garden bed goes in over it, but it does stop being inspectable - which amounts to the same thing a few years later.
It is not guidance. It is the benchmark a private certifier assesses against, which is why we install to the approved plan rather than to habit.
Photos from our own Sydney installations, not stock images. We recommend the right mix for your slab design, site and budget.

Laid on the prepared ground before the pour, this termite-resistant membrane protects the complete footprint of the slab.

Collars are sealed to every plumbing and electrical penetration through the slab, the most frequent concealed entry route there is.

A barrier around the slab edge and into the wall cavity prevents termites tunnelling unseen up the slab's outer face.

APVMA-registered termiticide into the soil, with optional reticulation pipework for recharging the barrier later without excavation.

On a sloping or elevated site, the bearers, piers and suspended timber floor are all protected.

Detailing against retaining walls, sandstone excavation, step-downs and cut-and-fill sites common across Sydney.
Once the slab is poured, the areas termites use most are sealed away for good.
It costs far less now than retrofitting later, and vastly less than repairing termite damage.
If a new Class 1 home or Class 10 outbuilding has termite-susceptible primary building elements, a compliant system is required.
Full protection of pipe penetrations and slab joints is possible only before the concrete is poured over them.
Areas no post-construction treatment can ever reach are covered by an under-slab system.
Before issuing the Occupation Certificate, the certifier requires both the installation certificate and the durable notice.
Compliant, documented termite protection is something buyers, building inspectors and lenders all look for.
Get a licensed Sydney technician on the phone today - honest advice, fixed quote in 30 minutes.
Both approaches can comply with AS 3660.1. Many Sydney builds use a combination.
| System | How it works | Durability & upkeep | Best suited to |
|---|---|---|---|
| Physical membrane, mesh or graded stone | Sheet membrane, stainless mesh or graded stone particles form a layer termites cannot pass, under the slab or at the perimeter | Lasts as long as the slab unless disturbed, and never needs a chemical top-up | Slab-on-ground homes, and anyone wanting a non-chemical system |
| Penetration collars | Physical collars sealed to each pipe and conduit through the slab | They last if the installation before the pour was done correctly | Every slab, generally alongside a perimeter system |
| Chemical soil barrier | Termiticide creating a treated zone in the soil beneath and around the building | Service life is set by the product label and the soil, and it can be re-applied | Builds working to a budget, and some complex sites |
| Reticulation system | Pipework installed before paving so the soil can be re-treated by pumping | Can be topped up for the life of the building with no excavation of paths | Houses surrounded by paving or landscaped areas |
| Baiting (post-construction) | In-ground monitoring stations that eliminate the colony | Stations need regular servicing | Existing homes, see termite control |
Termite barriers are installed in stages that follow the build, not in a single visit.
Send the plans and slab details - we will specify a system and fix the price for each stage.
Collars go onto every service penetration, and once the site is prepared the under-slab membrane or the chemical treatment is installed.
As the brickwork or cladding rises, perimeter and cavity barriers go in so the slab edge is left with no gap.
Where it is specified, the chemical perimeter or reticulation system is finished around the completed building before any paving or landscaping goes in.
A durable notice in the meter box records the system. The installation certificate goes to the builder and certifier.
Maintenance advice and a recommended inspection schedule are given to the owner to keep the system working.
| Document | What it is | Who needs it |
|---|---|---|
| Durable notice | The permanent meter-box notice recording the system, the install date, any chemical's life expectancy, the installer and inspection advice | The certifier, the owner, and owners after them |
| Installation certificate | A written statement of system, products, protected areas and installer licence | Builder, certifier and the owner's records |
| Product information | The details of whichever physical system or termiticide was used, with safety data sheets for any chemical | Builder and owner |
| Maintenance & inspection advice | What keeps the barrier working, and the inspection frequency recommended by AS 3660.2 | The homeowner |
We need the architectural or slab plan, the slab type (raft, waffle pod, suspended), the address, a rough pour date, and engineering details for retaining walls or step-downs.
We schedule to the plumber's set-out and the concreter's pour, confirming collar installation before the pour inspection once services are in.
Developers and volume builders work to consistent pricing with a single contact and documentation for every dwelling.
Missing durable notices and unclear installation records hold up occupation certificates regularly. We hand over the full set together.
A barrier only works if it stays intact and visible. Homeowners should follow these points for the life of the building.
| Factor | Why it matters |
|---|---|
| Slab size and perimeter run | Larger slabs need more membrane and perimeter protection, and more labour |
| System type | Full under-slab physical, perimeter-only, and chemical or reticulation systems are priced differently |
| Penetration count | Every plumbing and electrical service through the slab needs a collar fitted |
| Site complexity | Extra detailing comes with retaining walls, step-downs, sandstone excavation and suspended floors |
| How many attendances | Staged installations follow the build program, and multi-dwelling sites may be combined |
Send your plans for a fixed, written quote. There's no charge to quote.
Attached garages, pergolas, alfresco slabs and later additions all need to be in the system. On Willmot builds the alfresco slab poured separately is the one most often left out.
Pre-purchase inspections ask about the system and the notice. Having both in order removes a negotiating point from the buyer's side.
Our barrier work takes in Willmot and across toward Ropes Crossing, on single builds and multi-lot developments alike.
NSW Pest Management licence 5122967, installing to the AS 3660.1 standard.
Our scheduling follows the builder's program - a barrier stage will not hold up your pour.
Durable notice, installation certificate and product details, all supplied.
From a single dwelling or granny flat through to duplexes and multi-unit projects.
Everything you need to know before you book. Still unsure? Call us — we're happy to help.
Get a Free QuoteBarriers are quoted off your plans and slab details. There is no call-out charge in Willmot 2770. The final number comes down to the property itself, and it is fixed before we begin. You get the AS 3660.1 certificate and the durable notice for the meter box.
We cover it on scheduled runs, so a day's notice gets you the best slot. Willmot is about 41.7 km west of the CBD in the Blacktown & Mount Druitt, and we give you a firm arrival time rather than an all-day window.
Two things drive it on an estate: compact blocks with narrow side passages, and ground that was cleared and rebuilt recently, which displaces whatever was living in it.
Recent estate housing - slab on ground, narrow side passages, young landscaping. The perimeter does most of the work.
We do all of those. A good share of the Willmot jobs we run are tenanted or strata properties, so the written record comes as standard.
Yes. Everything we use is registered for the purpose and applied at label rates, and we place product where people and animals do not go. Tell us about pets, aquariums or anyone with a respiratory condition at booking.
Generally no. We will tell you on arrival if any part of the job means keeping out of a room for a while, so there are no surprises.
Typically one to two hours on site. What extends it is size, access and how far the problem has gone, all of which are accounted for in the quote.
You get the AS 3660.1 certificate and the durable notice for the meter box. If activity continues past the expected period, call us and we will come back.
All of them. Willmot sits alongside Ropes Crossing, Shalvey, Lethbridge Park and Blackett in our coverage, and they are serviced on the same schedule.
Photographs from Elite jobs across Sydney — not stock imagery.
Fast and fully insured, with a no-obligation quote back to you within 30 minutes.