Where we work · Climate Zone 2
Cellulose insulation in Fraser Coast.
This is home turf: our cellulose factory is in Tiaro, right here on the Fraser Coast. Maryborough and Tiaro are low-lying Mary River towns with hot, humid, sticky summers and mild winters, and we insulate them with cellulose made literally down the road.
Where we work
29+ Fraser Coasthomes — and what your neighbours say.
Every red dot on the map is a home near here we’ve quoted, advised or insulated (de-identified) — recent records only, a fraction of what we’ve done since 1986.
The local picture
What Fraser Coast homes actually need.
The Fraser Coast is our backyard: the factory is in Tiaro, so this is as local as it gets for us. Maryborough is a low-lying river city with hot, humid, sticky summers (regular 30°C-plus days, high humidity off the Mary River) and mild winters that rarely frost, a textbook Zone 2 climate. Tiaro, just inland up the valley, runs a touch cooler and frostier on a clear winter night. Either way the insulation story is dominated by summer: a high-performing, gap-free cellulose ceiling layer to block radiant roof heat and keep the air-conditioning bills down matters far more than winter warmth. The heritage timber Queenslanders here, with their dark and older roofs, especially feel the benefit.
Fraser Coast in brief
Founded
Maryborough founded 1847 (George Furber's wool depot on the Mary River); the township was laid out by government surveyor in 1850 with first land sales in 1852. Hervey Bay grew later as separate seaside villages, was proclaimed the City of Hervey Bay in 1984, and the wider Fraser Coast Region was created in 2008 by merging Maryborough and Hervey Bay with the Woocoo and Tiaro shires.
People
Fraser Coast Region 111,032 (ABS 2021 Census); Hervey Bay 57,722; Maryborough township 15,287; Tiaro 778 — one of Queensland's faster-growing regional areas.
Industry
Tourism (K'gari and Hervey Bay whale watching), retirement and lifestyle relocation, healthcare and aged care, agriculture (sugar cane, timber, grazing), retail, education, and Maryborough's long history of heavy engineering and rail manufacturing. Comfort Zone's own cellulose factory is at Tiaro, in the heart of the region.
Setting
Coastal Wide Bay–Burnett, south-east Queensland, about 250–300 km north of Brisbane. Built around the Mary River (Maryborough is the heritage river city) and the sheltered waters of Hervey Bay facing K'gari, the world's largest sand island. Humid subtropical: hot, humid summers and mild winters, with the Mary River prone to major flooding at Maryborough.
Why Comfort Zone
Cellulose insulation, by the family that makes it.
The only cellulose insulation maker still operating in Queensland.
We manufacture every bag ourselves in our own factory at Tiaro. The other Queensland cellulose makers have closed down over the years — these days our competitors buy theircellulose from us. Choose Comfort Zone and you’re dealing with the family who actually makes the product, start to finish.
We make our own cellulose
Most cellulose insulation sold in Australia is manufactured interstate — in Victoria, South Australia or WA. Ours is made right here in our own Tiaro factory, so you deal with the family who makes it, not a sales rep reselling someone else's product.
Three generations, since 1986
Peter learned the trade from his father, Lyle, and runs the business today with his sons. A real family business that's been insulating Queensland homes for nearly 40 years — not a franchise call-centre.
QR-code batch-tracked bags
Every bag we pump into your roof is QR-coded and tracked back to its production batch and your job — full traceability that even the big national brands can't offer.
Don’t take our word for it
Here’s what Brian, a Comfort Zone customer, reckons about us.
A real Comfort Zone customer — filmed on the job, not a paid actor.
Read the transcript
Peter here from Comfort Zone, so we've just finished up on this job and I'm just here with Brian and so what did you think about our service Brian? Well I thought it was good, you arrived roughly the other time and it was great, you got on the job, it wasn't an easy job, I knew it wouldn't be an easy job but you did the job and you did it well, there's a snag, you explained everything to us and we just feel completely satisfied, most of all we just impressed by your honesty mate. Okay well thank you very much Brian, that's awesome, I couldn't get much better than that, thank you, bye.
Fraser Coast climate
The weather your insulation has to handle.
- Hot days ≥30°C (per year)
- Maryborough averages 87.3 days/yr ≥30°C (19.8 in January alone) and 3.8 days/yr ≥35°C; coastal Hervey Bay runs cooler at 64.6 days/yr ≥30°C and just 0.2 days/yr ≥35°C. (BoM Maryborough stn 040126, extremes 1957–2026; Hervey Bay Airport stn 040405, 1999–2026.)
- Hottest temperature on record
- Maryborough's all-time high is 40.6°C, set on 11 December 1979 (BoM stn 040126, record from 1957). Coastal Hervey Bay Airport's record high is 36.8°C, set on 5 December 2012 (BoM stn 040405, record from 1999) — the coast never reaches the inland extremes.
- Warm summer nights (January mean minimum)
- January mean daily minimum is 20.7°C at Maryborough and a warmer 22.0°C right on the coast at Hervey Bay — homes barely cool off overnight. Hottest night on record: 27.7°C at Maryborough (12 January 1983) and 28.0°C at Hervey Bay (13 January 2002). (BoM stns 040126 and 040405.)
- Afternoon summer heat (January 3pm temperature)
- Mean January 3pm temperature is 29.0°C at Maryborough (stn 040126) and 28.2°C at Hervey Bay (stn 040405), with mean January maximums of 30.8°C and 30.3°C respectively — afternoon heat that soaks the roof space for hours. (BoM all-years statistics.)
- Summer humidity (January 9am / 3pm)
- January relative humidity averages 70% at 9am and 60% at 3pm in Maryborough (stn 040126), and 67% at 9am / 61% at 3pm at Hervey Bay (stn 040405), staying around 75–78% through February and March. This is humid-subtropical coast, not a dry inland climate. (BoM 9am/3pm condition statistics.)
- Annual rainfall (summer-weighted)
- Maryborough averages 1143.7 mm a year and Hervey Bay 1050.7 mm, both heavily summer-weighted — Maryborough's wettest months are January (160.8 mm) and February (171.0 mm). The real Zone-2 test is moisture, not frost. (BoM Maryborough stn 040126, rainfall record from 1870; Hervey Bay Airport stn 040405, from 1999.)
The trend is hotter, not colder. December 2019 was Queensland's warmest December in 110 years of records — a mean temperature 2.74°C above the long-term average, and the warmest December mean-maximum on record. On the humid Fraser Coast that means more days soaking the roof space and longer, stickier summer nights that barely cool off. The job your ceiling has to do is growing, and the homes that handle it best are the ones with a deep, seamless, gap-free blanket overhead. (Bureau of Meteorology, Queensland in December 2019.)
Note: Tiaro has no station of its own; its figures track Maryborough's, with inland Tiaro a touch cooler on clear winter nights.
Climate outlook reviewed 2026-06-11; local job counts updated 2026-06-26. Sources: BoM: Maryborough climate · ABCB climate-zone map (QLD).
Fraser Coast at a glance
- Climate zone
- Climate Zone 2 — what R-value that needs
- Postcodes
- 4650
- Local picture
- Maryborough (≈15,300) is a heritage river city; Tiaro (≈780) is the small Mary Valley town where we make our cellulose. Home turf.
The Fraser Coast is NCC Climate Zone 2: hot humid summers, mild winters. Here the insulation argument is dominated by summer: a high-performing, gap-free ceiling layer that blocks radiant roof heat and keeps the cooling bills down.
What Zone 2 actually needs — straight from the NCC
the Fraser Coast sits in NCC Climate Zone 2, where the code asks for about R2.5 of added ceiling insulation (NCC 2022 Housing Provisions, Part 13.2.3, Table 13.2.3c) — and we install a deep, gap-free R3.0 cellulose blanket as standard, about 20% over the minimum. Our climate is cooling-dominated, so there's no point chasing a giant R-value the weather won't reward; getting the blanket seamless and gap-free across the whole ceiling matters far more, especially under a hot tile or metal roof. Beware quotes citing “R5.5+” as the ceiling figure — that's a total-system / NatHERS number for the cold southern states, not what we need here.
Read it yourself: NCC 2022 Housing Provisions, Part 13.2.3, Table 13.2.3c — free from the ABCBThe season ahead — and why it matters for your insulation
Mid-2026 transitioning toward El Niño, a warmer, drier lean for the Fraser Coast into winter–spring. Reviewed each season.
Colder than you think
It’s colder around Fraser Coast than in it.
Here's how the three Fraser Coast towns we service stack up, straight from the current Bureau of Meteorology station files (both regenerated 24 June 2026). The story for insulation is consistent: coastal Hervey Bay is the mildest of the three — sheltered behind K'gari and sea-breeze moderated, with only about 0.2 days a year reaching 35°C and winter nights about 1.3°C warmer than Maryborough's. Maryborough and Tiaro sit inland on the Mary River flats, where clear winter nights drain colder, rare light frosts occur, and summer days run hotter. All three are NCC/ABCB Climate Zone 2. One honest caveat: Tiaro has no BoM station of its own — BoM's own Tiaro page draws on Maryborough — so its figures below are the Maryborough proxy, and its slightly more inland valley position means it can frost a touch harder on still nights.
| Town | Height | Avg July night | Frosts / year | Avg summer day |
|---|---|---|---|---|
| Hervey Bay (coastal, sheltered by K'gari) | 13 m (Hervey Bay Airport, BoM stn 040405; record 1999–2026) | 10.0°C mean July minimum — the mildest of the three | Essentially frost-free; coldest night on record −1.2°C (16 July 2007) is a rare airport-paddock extreme, not the suburban norm | 30.3°C mean January max; only ~0.2 days/yr reach 35°C; record high 36.8°C (5 December 2012) |
| Maryborough (inland, Mary River flats) | 9 m (Maryborough, BoM stn 040126; means 1908–2026, extremes 1957–2026) | 8.7°C mean July minimum — about 1.3°C cooler overnight than Hervey Bay | Rare light frost; lowest on record −1.4°C (9 July 1972), with sub-zero readings logged June–August | 30.8°C mean January max; ~3.8 days/yr reach 35°C; record high 40.6°C (11 December 1979) |
| Tiaro (further inland, Mary River valley — Maryborough proxy) | ~12 m (no BoM station; figures are the Maryborough stn 040126 proxy, ~20 km north) | ~8.7°C (Maryborough proxy); the river-valley setting can dip a degree or two lower on clear, still nights | Light frost on still nights; can frost a touch harder than Maryborough given its inland valley position — no station data to confirm a separate figure | ~30.8°C (Maryborough proxy); summer days as hot as Maryborough |
- All three towns are NCC/ABCB Climate Zone 2 (warm humid summer, mild winter) — the insulation case here is summer heat and humidity, not winter cold.
- Coastal moderation is real and measurable: Hervey Bay averages ~0.2 days/yr ≥35°C against Maryborough's ~3.8 — roughly nineteen times as many very hot days inland.
- Hervey Bay's July mean overnight minimum (10.0°C) sits about 1.3°C above Maryborough's (8.7°C) — the sea breeze stops the coast's heat draining away at night.
- Maryborough's mean maxima peak at 30.8°C in January (record 40.6°C, 11 December 1979); Hervey Bay peaks at 30.3°C (record 36.8°C, 5 December 2012) — the coast simply doesn't reach the inland extremes.
- Tiaro has no Bureau of Meteorology temperature station — BoM's own Tiaro observations page redirects to Maryborough — so every Tiaro figure here is the Maryborough proxy, not a measurement made at Tiaro.
Source: Bureau of Meteorology monthly climate statistics, both data files generated 24 June 2026: Maryborough station 040126 and Hervey Bay Airport station 040405. NCC climate zones per the ABCB Queensland climate-zone map. Tiaro figures are the Maryborough (040126) proxy — Tiaro has no BoM station of its own.
A bit about Fraser Coast
We know this patch.
- This is literally Comfort Zone's home turf — our own cellulose insulation factory is at Tiaro, right here on the Fraser Coast, so the insulation we blow into local ceilings is manufactured just down the road on the Mary River.
- Hervey Bay is one of the world's great whale-watching capitals: its calm, sheltered waters in the lee of K'gari make it a recognised resting stop for humpback whales on their migration, with a season running roughly July to November.
- K'gari (formerly Fraser Island), off the Fraser Coast, is the world's largest sand island and a UNESCO World Heritage Site — famous for perched freshwater lakes, towering dunes and rainforest growing straight out of sand.
- Maryborough is a heritage river city, one of Queensland's oldest provincial ports on the Mary River, founded in 1847 (George Furber's wool depot) — grand colonial-era buildings, a daily cannon-firing and the Wharf Street heritage precinct.
- Maryborough is the birthplace of P.L. Travers (Helen Lyndon Goff, born 1899), the author who created Mary Poppins; the city honours her with The Story Bank museum in her childhood home and an annual Mary Poppins Festival.
Local links: Bureau of Meteorology — Maryborough forecast & observations · Bureau of Meteorology — Hervey Bay forecast & observations · Fraser Coast Regional Council · K'gari (Fraser Island) — Queensland Parks and Wildlife Service · Visit Fraser Coast — Hervey Bay whale watching
What we’d recommend in Fraser Coast
The insulation that suits Fraser Coast homes, and why.
Maryborough and Tiaro cop regular 30°C-plus days with high humidity. Gap-free cellulose blocks the radiant roof heat and copes with the moisture better than batts. Home turf, since it's made right here in Tiaro.
The Bruce Highway runs straight through Tiaro with constant freight; dense cellulose absorbs that heavy-vehicle rumble better than lightweight batts, without trapping moisture in the humid roof.
Tiaro and Maryborough's heritage Queenslanders sit on river flats with exposed underfloor voids, so underfloor polyester cuts the draughts and dust and adds comfort.
That’s what we see most in Fraser Coast, but every home is different. Browse all our insulation services or ask for a quoteand we’ll tell you what yours needs.
Underfloor, done right
Underfloor insulation on the Fraser Coast: brilliant on a high-set Queenslander, pointless on a slab
Here's the honest truth about underfloor on a high-set Queenslander, and the Fraser Coast is full of them — old Maryborough, Tiaro, Aldershot, all those timber homes standing on stumps with an open, breezy subfloor underneath. The Australian Government's YourHome guide rates the timber in your floorboards at about R0.25, which is the polite way of saying bare boards do almost nothing to hold heat in or out. In winter the cold air pools in that open subfloor and sits right against the underside of your boards, so the floor goes cold underfoot and the warm air you've paid to heat drops straight down and leaks out through every gap between the boards. In summer it's the same robbery in reverse: the cool air your air-con makes is heavier than warm air, so it sinks to the floor and falls straight out through the boards into the breezy space below — you end up cooling the dirt under your house. On a stumped home, underfloor insulation closes that off, and it's one of the best-value jobs we do here on the Coast.
Now the part the upsell merchants won't tell you, and it's the same rule that makes a ceiling job worth doing — coverage is everything. YourHome puts it plainly: even a small gap can greatly reduce the insulating value. It's not a material problem, it's a coverage problem. The Insulation Council of Australia and New Zealand's 2024 figures show that as little as about 6% of the area left with gaps can roughly halve the effective R-value you paid for, so a sheet of batts shoved up between the joists and left to sag, with gaps around every pipe and bearer, gives you half the floor you thought you bought. We install it full-contact and snug, hard against the boards with no gaps and no sag, the way the NCC's installation standard AS 3999 says it has to be done — and just as importantly, it has to stay there, because loose-fit underfloor that drops away in a year is money thrown under the house.
And I'll tell you straight when it's not worth doing, because that's how we work. If you're in one of the Hervey Bay or new-estate homes built on a concrete slab on the ground, there is no open subfloor to insulate — the slab is the floor, sitting on the earth, and underfloor batts simply don't apply. Don't let anyone sell you underfloor insulation on a slab home; on those, your money goes into the ceiling, full stop. The rule of thumb for the Fraser Coast is simple: high-set timber on stumps with an open subfloor — yes, underfloor is a genuine winner; brick-and-tile on a slab — no, save your money for the ceiling. Pop your details into our online quote and we'll price the floor honestly, or tell you to skip it.
Watch: real jobs
See the work for yourself
A few from our own channel: does cellulose really settle, the flame test, and why we pump it in instead of laying batts.
Filmed on real jobs over the years — our methods, safety standards and products have moved on since. Subscribe to the channel for more.
The difference
On a Fraser Coast roof: what we run into, and how we do it.
Where we’ve helped — suburb by suburb
29+ Fraser Coast homes, and the postcode for yours.
Find your suburb below — the number is how many homes near you we’ve helped with advice or work. These are only the last few years we’ve kept digital records for, a fraction of what we’ve done since 1986, so if there’s no count next to your suburb yet, be the first on your street.
Fraser Coast & surrounds
13+ homes helped here
- 4650Maryborough8 homes
- 4650Tiaro2 homes
- 4650Tinana2 homes
- 4650Granville1 home
- Pialbabe the first
- Scarnessbe the first
- Howardbe the first
- Bauplebe the first
- Aldershotbe the first
- Walliebumbe the first
- Craignishbe the first
Counts are de-identified contacts from our records — homeowners we’ve helped with advice or work, not just completed jobs. See the customer map.
Your local team
Fraser Coast is looked after directly by Comfort Zone HQ — for now.
Right now Fraser Coastis served straight out of our family HQ and Tiaro factory, the same people who make the cellulose. Every job is done to one standard, photographed, and the photos checked before you’re invoiced.
Want to run Fraser Coast as your own business?
We’re looking for the right local owner-operator for this patch. If you’re passionate about the building trade — or you already run a business that fits, like air-conditioning, pest control, roofing or solar, and you want a high-margin add-on product to take to the customers you already have — we’ll train you from the ground up. You don’t need insulation experience; you need the right attitude and a patch you want to own. We make the product, we teach you to install and sell it, and you build a family business of your own — backed by the factory.
Fraser Coast questions
Insulation in Fraser Coast — your questions, answered.
I'm in Hervey Bay near the water — do I really need much insulation when the sea breeze keeps it mild?
The coast is the mildest part of the region, no argument — Hervey Bay only hits 35°C about 0.2 days a year against Maryborough's 3.8, and your winter nights sit about 1.3°C warmer. But you still average 64.6 days a year over 30°C, your January nights barely cool below 22°C, and the humidity makes it feel hotter again. That's a real cooling load. A good ceiling is what stops your air-con dollars leaking straight back out the roof on those sticky summer nights. You need it — you just don't need as deep a job as someone out on the Mary River flats.
My place is an old high-set Queenslander in Maryborough — is underfloor insulation worth it?
On a high-set timber home with an open subfloor, yes — it's one of the best-value jobs we do here. Your bare floorboards are only about R0.25, so in winter the cold pools under the boards and your heat drops straight out, and in summer your cool air sinks and falls out into the breezy space below. We close that off with snug, full-contact floor batts that stay put. But if you're in a Hervey Bay or new-estate home on a concrete slab, there's no subfloor to insulate — the slab is the floor — so don't let anyone sell you underfloor there. Pop your details into our online quote and we'll tell you honestly which camp you're in.
It's humid here and I worry about mould — does that change what insulation I should use?
It's a fair worry — February and March here sit around 76% humidity, and that sticky air drives mould risk. Our cellulose is borate-treated, a natural mineral that never washes out or evaporates, so it resists mould, fungus and vermin permanently. It's also hygroscopic: if you ever get a roof leak it holds the water in one spot, dries out, and leaves a visible stain so you can find the leak — instead of water running free across the whole ceiling the way it does through batts. In a Zone-2 climate like the Fraser Coast, that moisture behaviour matters as much as the R-value.
Should I just pile in as much insulation as possible to beat these summers?
No — and I'll talk you out of it if you ask for it. There's a right R-value for our climate zone, and past that point more does nothing, like layering sunscreen past SPF50. The Fraser Coast is NCC Climate Zone 2, and the NCC sets the added ceiling R-value for the zone — we install to that, done properly and seamless, rather than selling you a thicker number that won't earn its keep. What actually beats our summers is full, gap-free coverage, not an inflated figure on the quote.
I've already got old batts in the ceiling — do they have to come out first?
Usually not. We can top straight over old batts with cellulose — about 100mm adds roughly R3.0 over whatever's there, fills all the gaps the batts left, and covers the timber joists (which are only about R1.5 on their own). That saves the value of your old batts and saves you the mess, the skip bin and the dump fees of ripping them out. The exception is if the old batts are rat-infested or water-damaged — then they come out and get bagged. We'll tell you which it is when we look.
Do I need to be home, and will the price change when your crew turns up?
Our quotes are done online and they're a fixed price — what we quote is what you pay, we never bump it up once we're on site. Pop your roof and ceiling details into the online quote form and we'll price it properly from there. No call centre, no pushy sales visit, no surprises on the day. And the follow-up is our job, not yours — we'll call you, you'll never have to chase us.
My home flooded when the Mary River came up — can I just re-insulate straight away?
Not straight away — and this is a real consideration in Maryborough, where the river peaked at 10.30m in February 2022. A flood-affected home has to dry out fully before you re-insulate anything, or you trap moisture in the ceiling. Once it's properly dry, seamless blown-in cellulose is a good way to get a rebuilt ceiling performing evenly again, with no gaps. Talk to us about timing — getting it dry first is the part that protects the job.
Had your Fraser Coast home done? A review helps your neighbours choose well.
A quick honest review genuinely helps a small family business, and helps the next person decide. Thank you.
Get a quote for your Fraser Coast home.
Tell us your address and a few details and we’ll measure online and send a detailed, fixed-price quote. Phone 0414 586 315.