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Certified Insulation Installers Old Removal + New Batts

Certified Roof Insulation Installation in Melbourne — Done Properly From the Start.

FreshDuct removes old dusty insulation, cleans the roof space, and installs high-performance thermal batts using certified installation practices — so your home stays warmer in winter, cooler in summer, and the job is done properly from the start.

Send us photos of your roof space / floor plan — or book a comprehensive inspection.

Check Your Property

Three details and we’ll call you back — usually the same day.

  • Free roof-space inspection & R-value check
  • Fixed written quote & certificate on completion
  • No call-out fee, no obligation
Among our clients
AS 3999 Compliant

Why Certified Insulation Installation Matters

Insulation only performs properly when it is installed properly. Gaps, compression, poor cutting, incorrect clearances around electrical fittings, or installing new batts over old contaminated material can reduce performance and create avoidable issues.

FreshDuct uses certified insulation installation practices, with work carried out with reference to Australian installation standards, manufacturer guidelines, roof-space safety requirements and the practical conditions of your home.

Correct R-Value Selection

The product must suit your roof space, climate, property type and specific objective. We ensure compliance with the latest NCC requirements.

Proper Fitting, No Gaps

Compressing batts ruins thermal performance. We precision-cut around joists, corners, services and edges for a perfect thermal boundary.

Safety Around Electrical

Roof spaces contain wiring, lights, and services. Our trained installers know exactly what to check and how to maintain safe clearances.

Photo-Proofed Quality

Customers should see before/after evidence. We document the work so you know the job was completed professionally.

Cheap Insulation Job vs FreshDuct Certified Installation

Cheaper quotes often compare *only* the price per batt. They rarely account for the quality of preparation, toxic removal, safe access, certification, and the installation standard.

Installation Standard Cheap Installers FreshDuct (CII Certified)
Old Insulation Handling Covered over (hides pests/dust) Full industrial vacuum removal
Roof-Space Preparation Skipped entirely Sanitised & structurally checked
R-Value Selection Often non-compliant NCC Compliant R5.0 to R7.0
Cutting & Fitting Rushed, leaving gaps & compression Precision fit, zero compression
Downlight / Electrical Treated incorrectly (Fire Hazard) Strict clearance & compliance
Workmanship Proof No photo proof or check Full Before/After Photo Report
Clean-Up Dust left in living areas Property left spotless
Old Roof Insulation
Critical Step

Do You Need Insulation Removal First?

If the roof contains old blow-in insulation, dusty loose-fill, degraded batts, rodent contamination, moisture-affected insulation, seaweed, cellulose, foam or old rockwool, the best result is often removal first.

Installing new batts directly over contaminated or uneven material can hide the problem and reduce the quality of the upgrade. We clean the slate before we install to ensure maximum thermal performance.

Ask us about insulation vacuum removal

The FreshDuct Roof-Space Process

A fully professional, end-to-end service designed to improve comfort and thermal performance safely.

1

Inspect Roof Space

We assess existing R-values, check for contamination, map electrical hazards, and measure the area.

2

Remove Old Loose-Fill / Old Batts (Where required)

Safe extraction of degraded batts, loose-fill, or toxic materials.

3

Vacuum Dust & Debris

High-power industrial vacuuming of the ceiling cavity to remove contamination.

4

Sanitise & Seal

Sanitise, deodorise, rodent-proof, and air seal where suitable before new installation.

5

Install Premium R-Rated Batts

CII-certified installation of modern thermal batts compliant with AS 3999 standards.

6

Quality Check & Photo Proof

We review all clearances and provide comprehensive before & after photography.

7

Clean Site & Handover

Your property is left spotless, and you start enjoying a more comfortable home.

Your Guarantee

Certified. Compliant. Covered by Warranty.

You don’t have to take our word for it — every FreshDuct insulation job is documented, certified and backed in writing.

Certificate of Compliance

Every installation is completed by CII-certified installers and documented with a certificate — proof the work meets Australian standards, for your records, insurance or future sale.

Workmanship Warranty

The installation is covered by warranty on workmanship — batts fitted correctly, clearances maintained, and performance as promised. If something’s not right, we come back and fix it.

Before & After Photo Report

You see exactly what we found, what we removed, and how the new insulation was installed — a full photo record of your roof space, before we ask for final payment.

CONTAMINATED SPACE

Old Loose-Fill Detected

A significant amount of your home’s conditioned air may be escaping. Old blow-in insulation fails modern R-value standards.

InefficientCertified Install
Melbourne & Victoria

Local Case Studies.

Real roof-space transformations completed by our certified team.

Doncaster East, VIC

Old Blow-In Loose-Fill to R6.0 Batts

Decades-old blow-in insulation vacuum-extracted from the entire roof space, cavity industrially cleaned and prepped, then brand-new R6.0 thermal batts installed by our CII-certified team — full certificate of compliance issued.

Removal + Clean + Install
Before Old blow-in loose-fill insulation in a Doncaster East roof space before removal
Vacuumed Doncaster East roof space vacuumed completely clean and prepared for new insulation
R6.0 Installed New R6.0 thermal insulation batts installed in Doncaster East home by FreshDuct
More old blow-in insulation in Doncaster East roof Old loose-fill insulation detail Doncaster East Vacuumed roof cavity Doncaster East Clean joist bays after vacuum Doncaster East R6.0 batts fitted between joists Doncaster East Finished R6.0 insulation coverage Doncaster East
Kew, VIC

Deteriorated Dusty Batts Fully Replaced

Old batts in this Kew home had broken down into dusty, ineffective fragments. We removed every piece, vacuumed the ceiling cavity corner to corner, then fitted fresh R6.0 batts with zero gaps and correct downlight clearances.

Removal + Clean + Install
Before Old deteriorated dusty insulation batts in a Kew roof space before removal
Vacuumed Kew roof space vacuumed clean after old insulation removal by FreshDuct
R6.0 Installed Brand new R6.0 insulation batts installed in Kew home by certified FreshDuct installers
More deteriorated insulation batts in Kew roof space Dusty crumbling old batts detail Kew Kew ceiling cavity vacuumed clean Clean prepared roof space Kew R6.0 batts installed around services Kew Completed R6.0 insulation coverage Kew
Financial & Comfort Impact

Insulation helps reduce energy waste.

An uninsulated or poorly insulated home forces your split systems and heaters to work overtime. By establishing a premium thermal boundary, you can reduce the amount of energy wasted to the outside environment.

  • Can help reduce winter heating usage.
  • Reduces extreme summer heat transferring from ceilings.
  • Designed to improve overall property comfort.
Slide to see potential impact
$300
$100 $1000+

Estimated Yearly Impact Potential

$1,620 /yr

*Savings may vary depending on home size, heating/cooling usage, and existing condition.

Common Questions

Roof insulation in Melbourne — answered

Do you provide a certificate for insulation installation?+

Yes. Every FreshDuct insulation installation comes with a certificate of compliance, and the work is covered by warranty. Installation is carried out by CII-certified installers with reference to Australian standards including AS 3999.

Do I need to remove old insulation before installing new batts?+

If the roof contains old blow-in insulation, degraded batts, heavy dust, rodent contamination or moisture-affected material, removal first gives the best result. Installing new batts over contaminated material hides problems and reduces thermal performance — our Doncaster East, Glen Waverley and Kew case studies above show exactly why.

What R-value do you install in Melbourne homes?+

Most Melbourne ceiling upgrades use R5.0 to R6.0 thermal batts, selected to suit your roof space, climate zone and NCC requirements. We confirm the right R-value at inspection and show you the product on site.

How long does removal and installation take?+

Most residential jobs — removal, vacuum clean and new installation — are completed in a single day, depending on roof size and access. We confirm timing when we quote.

Which Melbourne suburbs do you service?+

FreshDuct installs insulation across Melbourne and Victoria — recent projects include Doncaster East, Glen Waverley, Kew, Keysborough and Camberwell. If you’re in greater Melbourne, we cover your area.

Reviews

What FreshDuct customers say

★★★★★4.9 average · 600+ 5-star reviews
★★★★★

“My air ducts hadn’t been cleaned in 9 years. I was really happy with their professionalism and the air is really fresh now.”

Amy Lee
Verified FreshDuct customer
★★★★★

“Outstanding service! Manny was very professional and polite. By far the most thorough cleanup we’ve experienced.”

Samantha
Verified FreshDuct customer
★★★★★

“Very impressed with Gabriel and his team. Very professional and they taught us about vent maintenance.”

Timothy
Verified FreshDuct customer
★★★★★

“Tom and Eddie did an outstanding job. Easy to schedule and a great result — highly recommend FreshDuct.”

George
Verified FreshDuct customer
★★★★★

“Adam and his team were professional and very service oriented. They provided a thorough, clean job.”

Daniel
Verified FreshDuct customer
★★★★★

“Exceptional service from Allen with significant air-quality gains. Highly recommend FreshDuct.”

Jane
Verified FreshDuct customer

Genuine reviews from FreshDuct customers across Melbourne — see more on our reviews page.

Want It Done Once — Properly?

Book a FreshDuct inspection and get honest advice on whether your home needs removal, top-up insulation, full replacement, or a complete roof-space restoration.

Certificate of Compliance Warranty Backed Or Call 04 3191 8137
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