Spray Foam Insulation  /  Sydney

Sydney’s Trusted Spray Foam Insulation Contractors

50+ Years of Expert Residential & Commercial Insulation Services.

50+
Years’ Experience
100%
Workmanship Guaranteed
24 Hours
call back Within 24 hours
Free
Site Inspections

50+

years insulating
Australian buildings

Who We Are

Spray Foam Insulation Professionals. Sydney’s Top Spray Foam Installers

When performance matters, experience counts. Foamed Insulations is a leading insulation company in Sydney, delivering high-performance spray foam insulation solutions for homes, businesses, and industrial facilities across NSW.

With more than 50 years of industry experience, we specialise in insulation systems that improve energy efficiency, control moisture, and enhance long-term comfort. From large-scale commercial insulation projects to home insulation in Sydney, our work is engineered for real conditions.

As specialist insulation contractors Sydney clients trust, we deliver professional installation, transparent pricing, and insulation systems designed to perform for decades.

Better energy efficiency

Seal air leaks and cut heating and cooling costs.

Moisture & condensation control

Closed-cell foam creates a durable vapour barrier.

Fixed-price, no surprises

Transparent quotes with clear scope and no hidden costs.

Home Insulation for Sydney Locals

Choosing the right insulation for your home directly impacts comfort, energy use, and long-term costs. Our residential home spray insulation services are tailored to Sydney’s climate and modern building standards.

We install both open-cell and closed-cell spray foam insulation, selecting the right system based on your home’s structure, airflow requirements, and thermal goals.

Our residential spray foam insulation applications include:

Underfloor Insulation

Homes with raised floors or subfloor cavities are particularly vulnerable to cold air infiltration and moisture issues. Underfloor spray foam insulation creates a continuous barrier beneath the home, reducing heat loss, improving comfort underfoot, and helping manage damp conditions common in many Sydney properties.

A professional installer in a white protective suit and respirator mask applies expanding spray foam insulation to the wooden underside of a residential floor grid in a dimly lit crawlspace.
Where We Work

Built for homes, business & marine

Residential

Underfloor insulation for existing homes.
Floors, walls, and roofs for new builds.

Commercial

Warehouses, cold storage, kitchens and office fit-outs.

Marine & Industrial

Flotation foam, tanks, vessels and pre-insulated pipes.

Our Services

Commercial Insulation for Sydney Businesses

We deliver commercial spray foam insulation across a wide range of applications – durable, code-ready solutions that perform in demanding environments.

Industrial & Warehouse Insulation

We insulate warehouses, factories, and industrial facilities to reduce energy consumption, improve temperature control, and protect equipment and stock.

Cold Storage & Refrigeration

Closed-cell spray foam insulation is widely used for cold rooms, refrigerated spaces, and temperature-controlled environments where moisture resistance and thermal stability are critical.

Commercial Kitchens & Void Filling

Our spray foam systems are ideal for void filling in commercial kitchens and food preparation areas, including work requiring AS4674 compliance. Spray foam seals penetrations, controls airflow, and supports hygiene requirements.

Office & Commercial Buildings

For offices and commercial buildings, spray foam insulation improves thermal performance, reduces noise transfer, and helps meet BASIX requirements.

Our team works closely with builders, facility managers, and consultants across commercial insulation projects in Sydney to ensure insulation systems integrate seamlessly with HVAC, fire safety, and building services.

Tank & Pre-Insulated Pipes

Tank insulation, pre-insulated pipes & fittings, condensation control and sound insulation for industrial and marine applications.

How It Works

From quote to comfort in three steps

1

Free Site Inspection

We assess your space, access and thermal goals – on-site, at no cost.

2

Fixed-Price Quote

A clear, transparent quote with the right foam system for your project.

3

Expert Installation

Qualified applicators install fast – most jobs done in a single day.

Why Foamed Insulations

Why Choose Foamed Insulations?

With so many insulation options on the market, choosing the right insulation company in Sydney matters just as much as choosing the right product. As established spray foam contractors, we don’t cut corners. Our focus is long-term performance, compliance, and results you can rely on.

Here’s what else you can expect when you work with our crew:

50+ Years’ Experience

50+ years of spray foam insulation experience across residential and commercial projects

Qualified Applicator Teams

Trained and qualified applicator teams using proven installation methods

Fixed-Price Quotes

Fixed-price, transparent quotes with clear scopes and no hidden costs

On-Time & Clean Worksites

On-time delivery and a clean worksite guarantee, minimising disruption

Multiple Foam Systems

Multiple foam systems available, matched to each application’s requirements

What Clients Say

Rated by Sydney homeowners & builders

Transparent Pricing

How Much Does Spray Foam Insulation Cost?

One of the most common questions we receive is about spray foam insulation cost. Pricing varies depending on several factors, including:

Size and scope of the area being insulated
Choice between open-cell and closed-cell foam
Accessibility of the space
Required insulation thickness and performance level

While spray foam insulation typically has a higher upfront cost than traditional materials, it delivers long-term value through energy savings, reduced maintenance, and durability. Many clients find the investment pays for itself over time through lower heating and cooling costs.

DIY Products

Spray foam kits, delivered to you

Professional-grade polyurethane foam kits for the confident DIYer.

40L Polyurethane AB Foam Mix

$900.00 incl. GST

8L Polyurethane AB Foam Mix

$230.00 incl. GST

FOMO II-205 E84

$990.00 incl. GST

U-600FR

$2,145.00 incl. GST

Frequently Asked Questions

Spray foam, answered

Still have a question? Our team is happy to help – call or request a free inspection.

What is spray foam insulation and how does it work?

Spray foam insulation is applied as a liquid that expands on contact to fill gaps, cracks, and cavities within a structure. Once cured, it forms a continuous, airtight insulation layer that improves thermal performance, reduces air leakage, and helps control moisture movement throughout the building.

Spray foam insulation cost in Sydney varies depending on factors such as the size of the area, the type of foam used, access conditions, and required insulation thickness. We provide tailored, fixed-price quotes following a site assessment to ensure accurate pricing and performance outcomes.

All spray foam insulation systems installed by Foamed Insulations are backed by manufacturer warranties covering both materials and workmanship. Our professional installation standards and proven products provide long-term assurance, giving clients confidence in the durability, performance, and reliability of their insulation investment.

Yes. When installed by trained and qualified professionals, spray foam insulation is safe for residential use. Once cured, the material is inert and stable. Proper installation, ventilation during application, and adherence to safety guidelines ensure a safe and effective insulation solution.

Spray foam insulation is well-suited to existing homes and retrofit projects. It can be applied to underfloor areas, and hard-to-reach sections where traditional insulation struggles to perform, improving comfort and energy efficiency without major structural changes.

Closed-cell foam is our preferred choice for underfloor insulation because it delivers superior strength, moisture resistance and energy efficiency. Open-cell foam is lighter and generally used for specialised applications such as vermin-proofing.

Closed-cell foam is denser, adds structural rigidity, creates a vapour barrier and achieves a higher R-value for the same thickness as other insulations, perfect for roofs, floors and pre-insulated pipes.

Most standalone homes and small commercial projects are completed in one day. Larger industrial or multi-stage installations may require additional time, but our team always provides an accurate schedule upfront.

For safety and optimal curing, homeowners typically vacate for a few hours while foam is applied and set. Once the area is ventilated and safe, you can return home.

Yes. We use our standard closed-cell polyurethane foam for both marine projects and shipping container insulation. It’s the same product we use elsewhere, chosen because it delivers high thermal resistance, strong adhesion, moisture resistance and, where required, buoyancy and sealing properties.

Ready When You Are

Ready to Upgrade Your Insulation?

Transform your building’s comfort and efficiency with Foamed Insulations. Call us today or request your free site inspection to get a transparent, fixed-price quote. Let our experts show you how the right foam solution saves energy, reduces emissions and maximises long-term value.

Call today

02 9898 0751

Visit us

22B Euston Street, Rydalmere NSW 2116

Request your free quote

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