Home upgrades with the Sydney Insulation team.
Watch our team perform full old insulation removal and Knauf Earthwool® installation across Greater Sydney. EEC certified. Trusted by over 16,000 homeowners, with 300+ Google reviews.
Extraction & Batts
We maximise the energy efficiency of your home.
Comprehensive residential retrofitting solutions designed to lower bills and increase comfort year-round. Click any service to view full specifications & R-values.
Ceiling Insulation
New insulation installs in ceilings, roofs, walls, and underfloors.
Insulation Removal
We remove old batts, old blow-in, & vacuum clean ceilings.
Double Brick Cavity Insulation
Inject thermal insulation into double brick cavities without structural disruption.
Underfloor Insulation
Eradicate cold floor drafts with high-performance Earthwool Batts or closed-cell Spray Foam.
Spray Foam
Certified polyurethane Insulation applicators for complex spaces.
Serving homeowners across Greater Sydney and NSW
Our removal of old insulation and Earthwool installation team works from Prestons across Greater Sydney, the Central Coast, Wollongong and nearby New South Wales.
Located outside major metro zones?
We regularly dispatch custom mobile vacuum extraction rigs and retrofitting teams for rural, coastal, and agricultural residential projects.
Prestons depotGreater Sydney, Central Coast and Wollongong
Based in Prestons, working across NSW
Sydney Insulation works from Unit 4/1 Powdrill Road, Prestons across Greater Sydney, the Inner West, Eastern Suburbs, North Shore, Northern Beaches, Hills District, Western Sydney, South West Sydney, the Sutherland Shire, the Central Coast and Wollongong.
Where our team is working today
Every pin is one of our crews on a job today, in the suburbs we are in.
Loading today's crew locations.
Dedicated Specialist Teams Across WA, VIC, QLD & NSW
Our Four-Step Method
Out with the old, in with the new. One team does it all, start to finish.
Step 1Free home check
We inspect your roof space, subfloor and wiring, at no cost.
Step 2Old insulation out
Vacuumed straight into a sealed truck. No dust inside your home.
Step 3New insulation in
Earthwool® glasswool batts are non-combustible to AS1530.1, fitted snug between the joists.
Step 4Check and warranty
We check the job, clean up and give you a 50-year warranty.
Transform your living environment.
Retrofitting your home with certified insulation is designed to deliver enhanced indoor comfort, potential energy bill reductions, and long-term thermal performance.
Up to 45% Potential Energy Savings
Significantly reduce heating and cooling energy consumption. High-performance thermal insulation acts as a barrier, helping reduce air conditioning load.
Year-Round Climate Comfort
Helps stabilize indoor temperatures by slowing heat flow through ceilings, walls and floors.
Acoustic Sound Dampening
High-density Earthwool batts help absorb external road noise, aircraft sound, ambient neighborhood noise, and heavy rainfall impact.
Earthwool® Batt Fire Safety
Glasswool/Earthwool® batts are non-combustible to AS1530.1. ECOSE® technology uses zero added formaldehyde for cleaner indoor air.
*Disclaimer: Figures, savings, and thermal differences are indicative estimates only. Actual results will vary depending on house design, location, climate zone, existing materials, and individual energy consumption habits.
Frequently Asked Retrofit Questions
Everything you need to know about roof vacuuming, thermal performance ratings, ISO compliance, Earthwool® batt fire classification, and indoor air quality.
Our technical assessors are available by phone to answer questions about ceiling access, solar panel clearances, or heritage timber roof structures.
Ask Our Technical Team
ECOSE® Technology
No added formaldehyde or artificial dyes. Bio-based binder.
Experience The Earthwool® Difference
We are dedicated to using Knauf Insulation's patented ECOSE® Earthwool insulation range resulting in a much softer, lower carbon and lower VOCs product compared to traditional Glasswool products made using formaldehyde.
- Up to 45% more energy efficient home
- Cleaner, healthier living environment
- Award-winning recognized products
Ready for a seamless experience?
Our insulation consultants assess your property and recommend a practical, cost-effective solution for comfort and energy performance.
Sydney office
(02) 7233 1266Email us
info@sydneyinsulation.com.auGet your free quote
This secure form sends your enquiry to our technical team, and we'll be in contact with you shortly.