A plumber lifts a subfloor access panel under a 1960s house and finds a rope-like wrap around the hot water pipe. That one find can turn a straightforward job into something else entirely, because asbestos in insulation and pipe lagging is almost always the friable kind, the kind with no small-job exemption at any quantity.
That matters more than most people realise. A cracked fence sheet and a metre of crumbling pipe lagging can sit in the same house, and the law treats them completely differently. One can sometimes be handled without a licence at a small enough scale. The other always needs a Class A licensed removalist, no matter how little of it there is.
Where asbestos insulation and pipe lagging hide in an old Geelong home
Fibro cladding and Super Six roofing get most of the attention around here, and fairly so, because Geelong’s post-war suburbs were built in the exact decades those products were standard. But insulation and lagging are a separate category, hiding in places nobody thinks to look until a trade opens something up.
Victoria’s own asbestos authority lists pipe lagging and boiler insulation as textbook examples of friable material, alongside fire retardant coating on structural steel and sprayed insulation. Its guidance says these friable products have been used since the late 1800s for fireproofing, soundproofing and insulation in commercial and industrial settings, and that some of the same products turned up in houses too, and may still be found in houses built before 1990.
In a home, the usual places are the ones nobody sees day to day. Lagging wrapped around a hot water pipe or a copper pipe run in a subfloor. Insulation packed around a wood heater flue where it passes through a ceiling. Millboard sitting between an old wall heater and the timber behind it. Block insulation inside an electric heat bank cupboard. None of it looks dangerous sitting still. All of it can shed fibres the moment somebody cuts, drills or pulls at it.
If you have found something that looks like rope, tape, or a soft board packed in around a pipe, heater or flue and you are not sure what it is, call now or send us a photo. We cannot tell you what it is from a description. What we can do is explain how testing works and put you in touch with a licensed removalist if the result comes back positive.
Why lagging and old insulation are friable, not bonded
Most of what people worry about on a Geelong property, fence sheets, eaves linings, a Super Six roof, is non-friable. The fibres are locked into cement or vinyl, and a sound sheet left alone sheds very little. Our guide to friable versus non-friable asbestos covers that difference properly.
Insulation and lagging sit on the other side of that line almost by design. They were made to be soft, to pack into gaps and wrap around irregular shapes, which is exactly what makes them friable: loose enough to crumble into dust with light hand pressure once dry. That is a completely different risk profile to a bonded sheet, and it is why the rules treat them differently the moment they are disturbed.
There is one more product category worth naming honestly. Loose-fill asbestos insulation, sometimes known by the trading name Mr Fluffy, is raw crushed asbestos that was blown or poured into ceiling spaces as insulation. It is a real product and a real risk category. It is also, on the government sources we could verify, a New South Wales story, not a documented Victorian one. We are not aware of a Victorian government source confirming it turns up in local homes, so we are not going to tell you it does. If ceiling insulation in an old Geelong house looks unusual, loose and fibrous rather than the batts or blown cellulose you would expect, that is a reason to get it tested, not a reason to assume either way.
Three places it turns up, and why none of them qualify for the DIY exemption
A lagged hot water pipe under a 1960s weatherboard in Herne Hill, the kind a plumber finds after pulling up a subfloor manhole to chase a leak. The lagging may be intact and undisturbed until that point. A single metre of it is still Class A work, because the unlicensed exemption never covers friable material, at any quantity.
A solid fuel heater flue in a Bellarine Peninsula holiday house, packed with insulation where it passes through the ceiling, discovered when an electrician went up into the roof space to run new cabling. Nobody had touched it in decades. It still needs the same pathway as a much bigger job: testing first, then a licensed removalist if the result is positive.
Millboard behind an old wall-mounted gas heater in a 1970s home in Newtown, found during a kitchen renovation when the heater was unbolted from the wall. It looks like nothing much, a stiff grey board maybe a centimetre thick. It is exactly the kind of material Victoria’s own examples list names as friable.
Victoria’s unlicensed removal limit lets non-friable material be removed without a licence only where the area does not exceed 10 square metres and the removal work does not exceed one hour in any seven-day period, and both caps have to hold. Friable material, which is what insulation and lagging almost always are, is never covered by that exemption, at any quantity. Our guide to removing asbestos yourself in Victoria sets out where that limit does and does not apply to a homeowner at their own house.
| What it is | What it looks like | Where it turns up | Friable |
|---|---|---|---|
| Pipe lagging | Rope, tape or a moulded wrap, any colour, around a pipe | Hot water pipes, plumbing runs, boilers | Yes |
| Flue or manifold insulation | Packed or wrapped material where a flue or exhaust passes through a wall or ceiling | Wood heaters, old gas heaters, generators | Yes |
| Millboard | Stiff grey or cream board, roughly a centimetre thick | Behind wall heaters, between heating units and timber | Yes |
| Sprayed insulation | Textured coating on steelwork, beams or ceiling slabs | Older commercial fit-outs, some house extensions | Yes |
| Loose-fill ceiling insulation | Loose, fluffy, grey to white fill in a roof space | Documented in NSW homes pre-1990; not confirmed in Victoria | Yes, if present |
Testing insulation and lagging before anyone touches it
You cannot tell what any of this is by looking at it. A lab has to identify it, and our testing page and our guide to how asbestos testing actually works in Victoria go through the process end to end, so we will not repeat it here.
What is worth saying is how sampling usually plays out when insulation or lagging is involved. Most houses need three to eight samples, because every different material has to be tested separately. Lagging on a hot water pipe, insulation around a flue and a wall sheet in the same house are three samples, not one, and each one runs $88 to $160 depending on the lab and how fast you need the result. A full inspection with sampling for a standard house sits at $395 to $900. Those are Melbourne-metro benchmarks, because there is no published Geelong or Barwon figure for testing anywhere, and they are indicative of the market, never a quote from us.
Book a test before you touch it. It is the cheapest, most honest first step available, and it is the only thing that actually answers the question.
What removal of friable insulation involves, and what it tends to cost
Once a sample comes back positive for friable material, the job sits in a different category to a fence or an eaves job, and that shows up in three ways. A Class A licence is required at any quantity, with no unlicensed threshold at all. Air monitoring applies on Class A work where the regulations call for it, checking that the airborne fibre level on completion is below the required standard. And a clearance certificate has to come from an independent person before the area is reoccupied. Our guide to clearance certificates and air monitoring covers what that independence actually means and who is allowed to sign one off.
None of that is arranged by us. We put you in touch with a licensed removalist, whose WorkSafe Victoria licence number appears on every quote they give you, and you contract with them directly. Whatever comes after removal, replacing lining, re-boarding a wall, refitting a heater, is something you arrange separately with a registered builder or tradesperson.
On price, the minimum job charge across Victorian suppliers sits at $800 to $1,500, and it is one of the more useful numbers on this whole site: a small amount of lagging or insulation rarely costs less than that minimum, because a licensed crew, air monitoring where it applies and a clearance certificate all have a floor cost regardless of how little material is involved. A visual clearance certificate on a straightforward job runs $165 to $250, and air monitoring, where it is required, runs $250 to $600 per day. Every figure here is a Melbourne-metro benchmark, indicative of the market rather than a quote, and GST treatment varies between providers, so ask whoever quotes you whether their figure includes it. Our cost guide has the fuller breakdown for larger jobs.
Get a quote from a licensed removalist once you have a result in hand. There is no advantage to guessing what a job like this will cost before the lab has told you what you are actually dealing with.
Frequently Asked Questions
Is all pipe lagging and old insulation asbestos?
No. Plenty of pipe lagging and ceiling insulation installed in Australian homes is fibreglass, mineral wool or another non-asbestos material, and that has always been true even in the decades when asbestos versions were common. The only way to know which one you have is to get a sample tested by a laboratory, not by looking at it or by the age of the house alone.
If it is asbestos, is lagging or insulation always friable?
Almost always, yes. Victoria’s own asbestos authority lists pipe lagging, boiler insulation and sprayed insulation as textbook examples of friable material, and friable material has no small-quantity exemption under Victorian law. Bonded products like fibro sheeting are a separate, non-friable category with different rules.
Can I remove a small amount of asbestos lagging myself?
There is no unlicensed exemption for friable material at any quantity, so as work it is always Class A, licensed-removalist territory. At your own home the OHS Regulations technically do not apply, because a home is not a workplace, but WorkSafe recommends homeowners follow the same code, and the caps become law the moment a tradesperson, tenant, rental property or paid helper is involved. Our guide to removing asbestos yourself in Victoria has the full detail.
What does it cost to test and remove asbestos insulation or lagging?
Lab testing runs $88 to $160 per sample, with most houses needing three to eight samples because each material is tested separately. A full inspection with sampling sits at $395 to $900. Removal has a minimum job charge of $800 to $1,500 regardless of quantity, plus a clearance certificate at $165 to $250 and air monitoring at $250 to $600 per day where it applies. These are Melbourne-metro benchmarks, not Geelong prices, and only a licensed removalist who has seen the material can quote your actual job.