Choosing an installer · Brisbane & SE Queensland
How to choose a local insulation installer.
Here is the thing nobody selling you batts will tell you: the person who installs your insulation matters more than the brand on the bag. A good product fitted badly, with gaps, performs worse than a cheaper one fitted with care.
I’m Peter Johnson. I’ve been on the tools since 1986. Here’s how to pick someone who will do it right, and why we built our business around people whose name is genuinely on the line in your town.
Family business since 1986
our name’s on every job
Start here
The installer matters more than the product.
The R-value on the bag only counts if the insulation actually covers your ceiling with no gaps. Get a premium batt fitted by someone in a hurry, with gaps at every join and around every downlight, and you have paid premium money for second-rate performance.
This is not a sales line, it is in the government’s own figures. Sustainability Victoria’s housing manual has a chart showing the effective R-value collapsing as just a few percent of the ceiling is left bare, and it documents that even a 5% gap can drop an R3.5 batt’s effective R-value to R2.1, about 40% (Sustainability Victoria, p.63). So before you compare brands and R-values, work out who is actually going to do the job.
That is the same reason we pump in seamless cellulose wherever we can. A blanket with no joins removes most of the chances to get it wrong in the first place.
A rushed batt job: gaps along every join. The bag said R-whatever, the roof is getting nothing like it.
Who turns up
A family business, even when we’ve grown.
We’ve been a family business since 1986. When we grew, we didn’t turn into a faceless company with a call centre and a fleet of subbies. We franchised it, deliberately, so the family-business feel stays in every area we cover.
So whoever comes to do your job is either one of our own family, or a local owner-operator running their own family business under our banner, with our factory and our training behind them. Either way, the person on your roof is just as invested in protecting their reputation in your local area as we have always been in ours. That is not a slogan. It is the reason we set it up this way.
Why we don’t use subbies
A subcontractor never has their reputation on the line. We always do.
Here is the problem with the subcontractor model, and it is worth understanding before you book anyone. When a contractor sends a subbie to your house, that subbie’s name is nowhere. If they do a bad job and get sacked by that contractor tomorrow, it doesn’t cost them a thing. They just start working for a different contractor the next day, and their own name and brand are not hurt at all.
An owner-operator whose name is on the truck cannot do that. A bad job follows them around their own town for years. The neighbours talk. So they have every reason in the world to get your roof right the first time, and no way to walk away from it if they don’t. That accountability is exactly what you want in the person crawling around above your ceiling, and it is exactly what the subcontractor model removes.
It’s the same reason we make our own cellulose rather than reselling someone else’s batts. When you own the product and the name and the job, you can’t hide behind anyone. That’s the way we like it.
Before you book anyone
The 6 questions to ask an insulation installer.
Ask these of us, and of anyone else you're getting a quote from. A good operator will answer all six straight. The ones who go quiet on the subbie question are telling you something.
Who actually does the work, the owner or a subbie?
Ask straight out: will the person who quotes me be the person on my roof, or do you sub it out to whoever is cheapest this week? You want someone whose own name is on the job.
Do you install to a measured density and depth?
This is the whole game with loose-fill. Under-fill it to save product and it will not hit the R-value you paid for, and that is where the settling stories come from. A good installer pumps to a set density, every time.
Do I get photos of my own roof?
You will never climb up there, so a careful installer photographs the finished job and gives you the photos. No photos, no proof it was done right.
Is it a fixed price with no deposit?
Pay on completion, with the price locked before we start, means the installer is confident you will be happy when you see it. A big deposit up front is a worry sign.
Is there a real guarantee, and who honours it?
A guarantee is only worth the business behind it. Ask whether it survives if the installer moves on, and whether the people who made the product stand behind it.
Do you make it, or just resell it?
Most installers buy batts off a multinational and fit them. We make our cellulose ourselves, so we answer for it from the factory floor to your ceiling.
Want the other side of this, the warning signs and the dodges to watch for? Read how not to get ripped off by an insulation company.
See it for yourself
What a careful installer fixes.
Most of these are real jobs where we were called in to repair someone else's rushed batt work by pumping in a seamless cellulose blanket. This is the difference the installer makes.
Honest answers
Choosing an installer, the questions I get.
Does it matter who installs my insulation, or just which product I buy?+
The installer matters more than the product, and after 40 years I will say that plainly. Insulation only works if it actually covers the ceiling with no gaps, and the rating on the bag assumes a perfect install. Sustainability Victoria's government housing manual shows that even a 5% gap can drop an R3.5 batt's effective R-value to R2.1, about 40%. A cheap product fitted carefully beats a premium product fitted badly, every time. So choose the person first.
Do you use subcontractors?+
No. Every job is done by one of our own family or by a local Comfort Zone owner-operator who runs their own family business under our banner. We do not hand your job to a subbie we found that morning. The reason is simple: the person on your roof should be someone whose name and reputation in your town depends on doing it right.
You're a franchise now. Am I still dealing with a local family business?+
Yes, and that was the whole point of franchising it this way. Rather than grow into a faceless company with a call centre and a fleet of subbies, we put a local owner-operator in each area, each running their own family business with our factory and our training behind them. Whoever turns up is either us or a local family that is just as invested in protecting their name in your area as we have always been.
What is the single biggest thing that separates a good insulation job from a bad one?+
Gaps. A batt job rushed by someone with no skin in the game leaves gaps at every join, around every downlight, in every awkward corner, and gaps wreck the performance you paid for. A careful installer either fits every piece tight with no gaps, or pumps in a seamless blanket that has no joins to begin with. That care is a function of who is doing the work, which is why we keep it in the family.
How do I check an insulation installer is any good before I book?+
Ask who actually does the work, whether they install to a measured density, whether you get photos of your own roof, whether it is a fixed price with no big deposit, and whether there is a real guarantee behind the business. A good operator will answer all five without flinching. If they dodge the question about subbies, that tells you something.
Had a careful job done by someone whose name was on the line? That's worth saying out loud.
A quick honest review genuinely helps a small family business, and helps the next person decide. Thank you.
Want an installer whose name is on the line?
Send us your address and roof type and we’ll give you an honest, fixed-price quote within 48 hours for most houses. No subbies, no deposit, photos of your job to keep. Servicing Brisbane, SE QLD and Northern NSW.
Peter Johnson
Owner / installer · Comfort Zone Insulation Team® · Since 1986