Upgrade Your Roof Insulation & Start Saving on Energy Bills Today
Professional roof insulation installation in Sydney with full roof cavity cleaning, premium materials, and expert guidance – backed by 500+ 5-star reviews.
Lower your heating
& cooling costs
Improve comfort
all year round
Reduce noise
from outside
Clean, safe &
professional installation
Lower your heating
& cooling costs
Improve comfort
all year round
Reduce noise
from outside
Clean, safe &
professional installation
Trusted by homeowners across Sydney & NSW
Is Your Home Losing Heat Through The Roof?
Up to 40% of your home’s heat loss happens through the ceiling. If your insulation is old, damaged, or missing, you’re likely dealing with:
High
Electricity Bills
Hot Summers
& Cold Winters
Drafts & Uneven
Temperatures
Increased
Outside Noise
High
Electricity Bills
Hot Summers
& Cold Winters
Drafts & Uneven
Temperatures
Increased
Outside Noise
Most homeowners don’t realise their insulation is underperforming until they upgrade it.
A Complete Roof Insulation Upgrade Done Right The First Time
At Active Vac, we don’t just install insulation – we deliver a complete roof cavity solution to maximise performance, safety, and long-term results.
Roof Cavity Vacuuming
Safe Insulation Removal
High-Performance Insulation Installation
Thermal Camera Assessment
Clean, Tidy Finish With Zero Mess
Fully Licensed, Insured & WHS Compliant
We Only Use Trusted, High-Performance Materials Designed For Australian Conditions
Knauf Earthwool Batts
- Excellent thermal performance
- Soft, low-irritant material
- Up to 50-year performance life
- Ideal for open roof cavities
Knauf Supafil Loose-Fill Insulation
- Perfect for tight or hard-to-reach spaces
- Seamless coverage with no gaps
- Great for wall insulation and top-ups
Our Simple 3-Step Process
We inspect your roof cavity and identify insulation performance issues.
We vacuum, remove old insulation, and install new high-performance insulation.
Start experiencing a more comfortable, energy-efficient home immediately.
Ku-ring-gai Residents
Claim Your $500 Insulation Rebate
If you live in the Ku-ring-gai Council area, you may be eligible for a $500 rebate when upgrading your insulation.
We don’t just install your insulation – we guide you step by step through the rebate process, making it simple to claim your savings.
We’ve already helped local homeowners successfully secure their rebates.
Trusted by Hundreds of Sydney Homeowners
Why Choose Active Vac?
We’re not just another insulation company – we’re specialists in roof cavity preparation, insulation removal, and installation.
500+ verified
5-star reviews
Family-owned
and operated
Latest vacuum and insulation technology
Fully licensed, insured,
& WHS compliant
Transparent quotes
and honest advice
End-to-end service
(clean, install, support)
500+ verified 5-star reviews
Family-owned and operated
Latest vacuum and insulation technology
Fully licensed, insured, & WHS compliant
Transparent quotes and honest advice
End-to-end service (clean, install, support)
Ready to Upgrade Your Home?
Don’t keep paying high energy bills for an under-insulated home. Upgrade your roof insulation with Active Vac and experience the difference in comfort, efficiency, and cost savings.
