Northcote
“Genuinely the most professional trade we've used in 12 years of owning homes. Written quote, fixed price, photos of every stage, full clean-up. Would recommend to anyone.”
Marcus Papadopoulos
Google review
Bulk insulation for builders
Every cavity on the drawings, one crew, one invoice.
- 4.9 Google rating
- 2,400+ homes
- 50-year warranty
- In-house crews
Is this your job?
New homes, extensions and rebuilds all need the same thing: the right batt in every cavity before the plaster goes on.
- 01
A new home at frame stage
Walls and between-floor batts go in after rough-in and before plaster. Ceiling batts go in once the plaster ceiling is up. We book both visits with your supervisor.
- 02
An extension or second storey
New areas need insulation to the R-values on the drawings, and the junction with the old house is where gaps happen. We cover the new work and close the junction.
- 03
A knock-down rebuild or townhouse pair
Multiple units, one schedule. One crew does ceiling, walls and floors to the same spec on every unit, with one invoice per stage.
- 04
An owner-builder with a stack of quotes
One written quote from the drawings, per m², every element listed with its R-value. No chasing three trades for three parts of the same job.
What goes in
Every element on the drawings, to the R-value your drawings call for.
Knauf Earthwool across the board, so the product data is the same in every cavity and the paperwork is one set.
- Earthwool ceiling batts, R-value per drawings
What that means on the day
- Area taken off per element from the plans and energy report, so the quote matches what the certifier expects.
- Batts cut to each bay, including short bays over windows, around meter boxes and at junctions.
- Penetrations sealed and the junction with existing work closed, not left to the plasterer.
- Photos of every element before it is covered, and a Certificate of Compliance listing the installed R-values.
How it works
Two visits, timed to your stages. Five steps.
Walls and mid-floors after rough-in, ceiling and underfloor after plaster. One crew for all of it.
- 1Step 01
Drawings
Send the plans and energy report. Area per element taken off, a written quote within 1 business day.
- 2Step 02
Schedule
Dates booked against frame sign-off, rough-in and plaster with your site supervisor, and confirmed the week before.
- 3Step 03
Walls and mid-floors
External wall, internal wall and between-floor batts after rough-in, before plaster. Wrap fixed where specified.
- 4Step 04
Ceiling and underfloor
Ceiling batts once the plaster ceiling is up, underfloor batts and mesh where the floor is suspended, garage ceilings under rooms.
- 5Step 05
Sign-off
Photos per element before it is covered, a Certificate of Compliance with the installed R-values, one invoice per stage.
Quoted per m², per element, from your drawings.
Every line is listed: element, R-value, area, price. Fixed in writing within 1 business day, so your budget holds from frame to plaster.
- Knauf Earthwool supplied and installed, every element
- Area per element taken off from the drawings
- Two visits scheduled to frame and plaster
- Penetrations sealed, junctions closed
- Photos per element and a Certificate of Compliance
- 50-year manufacturer warranty, 2-year workmanship warranty
Send the drawings and energy report. Multiple units and staged invoicing are standard.
About the VEU rebate
The VEU rebate applies to ceiling insulation only.
Victorian Energy Upgrades activity 48 covers ceiling insulation in existing homes. It does not cover this service. If your ceiling also needs work, that line of the quote may qualify and the rebate comes off it before you pay.
Photo: new build frame with wall batts installed before plaster
Proof
What a frame looks like the day before plaster.
Every bay filled, every penetration sealed, and the photos in your file before the plasterer arrives.
2,400+
01Homes insulated
Since 2019, every one by our own employed crews.
4.9
02Google rating
From 100+ reviews.
50 yr
03Manufacturer warranty
Knauf Earthwool, plus 2 years on our workmanship.
2019
04Founded in Melbourne
Insulation specialists, long before any rebate.
What homeowners say after the install
Why Pro vs the rest
Three trades or one crew. The difference shows at hand-over.
On a build, insulation is the trade nobody sees once the plaster is on. Here is what to ask before you book one.
TopicThe usual site installPro Insulation
TradesThree subbies, three invoices, three dates to chaseOne crew for every element, one invoice per stage
SchedulingTurn up when they canBooked to frame sign-off and plaster, confirmed with your supervisor
SpecThe minimum to pass on paperTo the R-value on your drawings, listed per element on the quote
FitGaps at noggins, penetrations and junctionsCut to each bay, penetrations sealed, junctions closed
ProductWhatever is cheapest that monthKnauf Earthwool, every element, every job
Hand-overPlaster hides itPhotos per element before cover, Certificate of Compliance for your file
Comparison reflects common practice. Ask any installer for photos per element and a certificate with the installed R-values.
Questions
The questions we get asked most.
Straight answers. If you would rather talk to a person, call 1800 960 650 six days a week.
Ceiling batts, external and internal wall batts, between-floor batts, underfloor batts with mesh where the floor is suspended, garage ceilings under habitable rooms, and vapour-permeable building wrap. All Knauf Earthwool, all on one quote.
Other services
Also from the same crews.
Every service, one written quote, one warranty.
- Knauf Earthwool
- In-house crews
- 50-year warranty
- Accredited VEU provider
- Engineer-led
- ICANZ compliant
- Written quote in 1 business day
60-second check
60 seconds on your phone. A written quote in 1 business day.
Three short steps. You see whether your home is likely to qualify before we ask for any contact details, and nobody needs to visit to quote.