Prevents Conduction: Spray foam reduces thermal transfer from materials in contact with the insulation itself, such as wood or drywall.
Accredited Spray Foam Insulation Solutions in London for Maximum Energy Efficiency and Home Comfort
Let Our Insulation Experts Show You The Many Benefits Of Our High Performance Insulation.
For exceptional energy efficiency, spray foam insulation is an outstanding choice for both residential and commercial properties in London. Our deep knowledge of the local climate, combined with solid backing from our franchise network, enables us to deliver tailored spray foam insulation solutions that cater to your unique needs.
As a prominent provider of spray foam insulation in London, Koala Insulation is committed to offering expert support while adhering to the highest quality standards in every project we undertake.
Get a Free Estimate
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Trusted
Spray Foam Insulation Contractors in London
The climate in London presents unique challenges that can greatly affect the energy efficiency of residential buildings. While these challenges are common across many regions, they are especially pronounced in urban settings like London. Koala Insulation of London recognizes the benefits of spray foam insulation as a potent solution to combat these issues, particularly in critical areas such as attics and exterior walls. This innovative insulation method is vital for sealing openings, minimizing air leaks, and enhancing the overall durability and energy performance of homes.
The success of insulation largely depends on the quality of installation. Koala Insulation employs a team of highly trained professionals committed to delivering exceptional installation services. This dedication allows homeowners in London to enjoy significant energy cost savings over time. By adhering to strict quality benchmarks, Koala Insulation has positioned itself as a reliable provider of spray foam insulation, enabling residents to experience long-lasting enhancements in the energy efficiency of their homes.
A Superior
Thermal & Air Barrier Services in London
Spray foam insulation presents numerous benefits for property owners in London, making it a popular choice for both residential and commercial buildings. This advanced insulation solution effectively reduces heat transfer, resulting in enhanced energy efficiency when measured against traditional insulation materials. Its unique advantages make it an ideal fit for a variety of architectural designs found across the city.
These capabilities define the insulation type:
Blocks Air Infiltration: The insulation system prevents treated air from transferring through gaps, holes, or damage in exterior walls and roofs.
Stops Moisture: Spray foam blocks moisture from entering the treated space and contributing to heat loss or gain.
Advantages Of
Spray Foam Insulation in London
Spray foam insulation outperforms all other types of insulation by large margins because its long-term benefits outweigh its initial installation costs. Spray foam also offers superior sealing properties and is environmentally friendly.
Improved Air Quality
Adequate insulation is essential for safeguarding your home against dust, allergens, and other unwanted particles. Opting for spray foam insulation can significantly enhance your indoor air quality by sealing gaps and managing moisture effectively. This approach not only fosters a healthier environment for your family but also enhances the energy efficiency of your residence.
Water & Fire Resistance
Spray foam insulation is an excellent choice for safeguarding your home against moisture while enhancing fire resistance. This insulation technique creates a strong barrier that reduces the likelihood of mold development and protects against water damage. Additionally, it contributes to a healthier living environment by boosting safety and comfort, making your home more inviting and significantly improving your overall quality of life.
Pest and Wildlife Protection
Spray foam insulation serves as an effective barrier against common pests like rodents and insects seeking to invade your living space. This innovative insulation solution creates a continuous protective seal that significantly boosts your home’s energy performance, promoting a more comfortable and secure environment for your family. Opting for spray foam insulation is a wise investment that strengthens your home against pest intrusions, ensuring a tranquil and safe sanctuary for your loved ones.
Strengthens Buildings
Spray foam insulation plays a vital role in creating a well-insulated and energy-efficient home. When applied correctly and allowed to cure, it forms a strong bond with essential components such as framing, sheathing, and interior surfaces. This durable connection not only enhances the building’s structural integrity but also accommodates natural shifts and settling over time. Moreover, it minimizes vibrations within the walls and improves soundproofing, leading to a more peaceful living environment. These advantages are crucial for promoting both the durability and energy efficiency of your home.
Soundproofing
Improving the comfort of your home has become more accessible with the latest advancements in foam insulation technology. This innovative material efficiently penetrates and seals gaps and imperfections in your walls, ceilings, and floors, forming a strong barrier that significantly decreases drafts. Moreover, foam insulation is highly effective at reducing noise levels due to its dense composition, which prevents sound from passing through. As a result, you will experience a marked reduction in external noise and disturbances from heating and cooling systems. This enhancement fosters a more serene and inviting atmosphere in your living space.
Environmentally Friendly
Choosing spray foam insulation is a sustainable investment for London property owners looking to improve energy efficiency and long-term resilience. Unlike some traditional materials, cured spray foam is chemically inert and fiber-free, ensuring it doesn’t release harmful particles into your indoor environment. Our professional installation process uses specialized equipment for precision, and while a brief off-gassing period is standard, the result is a permanent, seamless air seal. Specifically, closed-cell varieties are ideal for London’s climate because they do not retain moisture or support mold growth, providing a robust secondary barrier against water damage and preserving your building’s structural integrity for decades.
4-Step Spray Foam Process in London
Spray Foam Installation Process
Free Insulation Assessment
The Koala Insulation efficiency experts will perform a thorough examination of your home’s current efficiency.
- Prep for Safe InstallationEvery spray foam installation project starts with our detailed safety and preparation process. We shut down your HVAC system; protect floors, furniture, and belongings; and set up negative-pressure ventilation to keep all spray foam particles safely contained. Every installation team member has received American Chemical Council safety training and wears full protective gear.
- Precisely Apply Spray FoamUsing industry-leading spray foam installation equipment, we test the sprayer, apply even lifts to ensure proper expansion, and measure spray depth as we go. Careful installation and coverage ensure the foam seals gaps properly and cures correctly.
Koala Difference: We calibrate mixes and test sprays to ensure the correct compound 1:1 ratio of A-side (isocyanate) and B-side (polyol resin) to achieve the desired results.
- Trim and InspectOnce the spray foam application has cured, we trim excess materials and ensure ideal coverage, thickness, and adhesion. Our spray foam installers continue to ventilate the area as we inspect our work proactively.
Koala Difference: We prepare a detailed inspection checklist based on your approved project plan, so you know the work was done right.
- Clean Site, Re-Entry & Ongoing Support
We clean the area thoroughly, remove any lingering insulation material, and let you know when it’s safe to return. Koala Insulation of London will always leave your space cleaner than we found it, and our work is backed by a limited lifetime residential insulation warranty.
Koala Difference: Our team includes all relevant paperwork to make claiming any tax credits and rebates easy!
Get a Quote
Ready to get your project started? Work with the most experienced spray foam insulation contractors in London. Schedule a free quote with Koala Insulation of London today!
What to Expect
In 5 Easy Steps
In 5 Easy Steps
What to Expect
In 5 Easy Steps
Schedule Your Free Evaluation
Contact your nearest Koala Insulation Location, recognized as the #1 trusted insulation expert nationwide. We will discuss your needs and schedule an appointment to provide a free evaluation.
Home Efficiency Assessment & Estimate
One of our friendly insulation experts will perform a thorough home efficiency assessment. Your insulation expert will then review the assessment findings, the science behind these findings, and why any changes are needed. Lastly, your insulation expert will provide the best option that fits your home efficiency needs and your budget.
Schedule Your Insulation Service
We will schedule your insulation service for the soonest availability that fits your schedule because we understand that your home insulation is a priority!
Installation
Our team of highly skilled insulation technicians will install your premium insulation solution in as little as two hours. We treat your home like our own and take time to leave it cleaner than it was before.
Post Installation Inspection
Contact your nearest Koala Insulation Location, recognized as the #1 trusted insulation expert nationwide. We will discuss your needs and schedule an appointment to provide a free evaluation.
Enjoy Your Comfortable & Efficient Home
Enjoy a more efficient home with lower energy bills and improved comfort year-round. Enjoy your improved home stress free knowing that Koala Insulation stands behind their work! Reach out to your Koala Insulation team anytime for support.
Benefits
Enhanced Comfort
Energy Savings
Quality Materials
Eco-Friendly Options
Enhanced Comfort
Stay cozy inside, no matter the weather outside.
Energy Savings
Save on your energy bills while keeping your home comfy all year.
Reduced Noise
We use top-quality insulation to give you lasting results.
Eco Friendly
Choose insulation that’s better for your home and the planet, such as solar-powered attic fans.
Your Satisfaction is
Our Top Priority
And don’t just take our word for it, hear from our happy clients about their experience with our professional insulation services.
Michael Buzzelli
00:39 23 Sep 26
Excellent service. Meticulous, methodical, thorough and very reasonable on price point. Highly recommend.
Johnny Ferguson
00:40 15 Sep 26
Called for removal and installation of new insulation. Was told I didn’t need to do that and was surprised by the honesty and integrity. Very rare. Would highly recommend.
andrew campbell
15:19 06 Sep 26
Dan came out on short notice and provided the client experience that anyone could hope for. As an engineer, he was able to give insight that allowed me to make an informed decision.
10/10–no notes. Thanks again, Dan!
10/10–no notes. Thanks again, Dan!
Ripon Singh
21:15 31 Aug 26
Xan and Aaron were great. Very knowledgable and reasonable!
Bob Stone
19:07 25 Aug 26
Very professional, highly recommended
Deborah Arts
18:04 21 Jul 26
Professional, punctual and efficient. Explained the process, facilitated the rebate with Enbridge, completed the work promptly and even cleaned up after themselves. I would highly recommend them for all your insulation needs
Thomas Noonan
20:53 20 Jul 26
Attic insulation
They did a great job excellent clean up no mess. Showed us the pictures big difference from before to after. Work was completed highly recommended Koala Insulation to everyone.
They did a great job excellent clean up no mess. Showed us the pictures big difference from before to after. Work was completed highly recommended Koala Insulation to everyone.
Travis Goettl
21:15 01 Jun 26
Xan was great with the assessment, detailing out the issues we had and the process going forwards. He helped us navigate the rebate system and the price point was great as well. Once we had a separate issue dealt with, we were able to book very quickly and his crew were timely and clean!
Zoltri Group Rentals
18:42 13 Apr 26
Great friendly service with Xan and his installers. Had blown in attic insulation added as well as spray foam done. Both trucks well equipped, clean. Took every effort to cover work area and clean up after the job was complete.
Fair pricing and quick service and took the time to explain work thoroughly and provided before and after pictures. Will use his services again on other properties.
Fair pricing and quick service and took the time to explain work thoroughly and provided before and after pictures. Will use his services again on other properties.
christine bullas
12:19 18 Mar 26
Amazing job. Clean and efficient. Friendly staff. Initial assessment was very informative. Given different price points based on level of service we wanted. And informed of rebates available dependent on what level of service we choose. Would recommend
Get a Quote
Ready to get your project started? Work with the most experienced spray foam insulation contractors in London. Schedule a free quote with Koala Insulation of London today!
Frequently Asked Questions
Spray Foam Insulation FAQs
Get all your questions answered by our local experts. If we didn’t address your question here, give us a call at 226-547-0332 or schedule a free quote today!
Is spray foam right for my attic in London?
Spray foam insulation can be an excellent choice for attics, but there are a few key factors to consider:
Moisture and Preparation: Any existing dampness or water intrusion should be resolved before installation to ensure strong adhesion and long-term performance.
Surface Readiness: Concrete or masonry walls may need light cleaning or preparation so the foam bonds evenly and seals effectively.
By addressing these factors, spray foam creates a dry, comfortable, and energy-efficient environment that helps protect your home from the ground up. When applied by certified Koala Insulation professionals, spray foam provides lasting comfort, reduced energy costs, and year-round peace of mind. Learn More
How much does spray foam insulation cost in London?
There are several factors that affect the cost of spray foam insulation. In London and most cities, insulation costs vary based on the amount of material required (based on square footage), the need to remove existing insulation, and the complexity of the project.
- Small attic (Less than 500 square feet): $1,000 to $2,000
- Medium attic (1,000 square feet): $2,000 to $5,000
- Large attic (2,000 square feet): $4,000 to $8,000
Get a free quote for the most accurate assessment and a personalized quote.
Free Insulation Assessment
The Koala Insulation efficiency experts will perform a thorough examination of your home’s current efficiency.
Is spray foam right for my basement in London?
Spray foam insulation is an excellent option for basements, offering both energy savings and moisture control. Here are a few important considerations:
Moisture and Preparation: Any existing dampness or water intrusion should be resolved before installation to ensure strong adhesion and long-term performance.
Surface Readiness: Concrete or masonry walls may need light cleaning or preparation so the foam bonds evenly and seals effectively.
By addressing these factors, spray foam creates a dry, comfortable, and energy-efficient environment that helps protect your home from the ground up. When applied by certified Koala Insulation professionals, spray foam provides lasting comfort, reduced energy costs, and year-round peace of mind. Learn More
How much does basement spray foam installation cost in London?
The cost to insulate a basement with spray foam depends on the size of the area, existing insulation, and project complexity.
Small basement (≈500 sq ft): $1,200 – $2,800
Medium basement (≈1,000 sq ft): $2,400 – $5,600
Large basement (≈2,000+ sq ft): $4,800 – $9,000
Spray foam insulation helps eliminate drafts and moisture, providing a more comfortable, energy-efficient lower level. Pricing per square foot may increase if your basement requires old insulation removal, foundation wall prep, or hard-to-reach rim joists.
Every home is different. For a detailed estimate tailored to your basement’s layout and energy goals, contact team today for a free assessment. Learn More
Free Insulation Assessment
The Koala Insulation efficiency experts will perform a thorough examination of your home’s current efficiency.
Should I insulate my basement ceiling with spray foam?
Closed-cell spray foam works best for basement ceilings because it provides a high R-value and acts as a moisture barrier. It can also help block sound between floors. For the best results, it’s important to assess your home’s layout, HVAC design, and moisture conditions before choosing where to apply spray foam.
Koala Insulation technicians can evaluate your space and recommend whether ceiling, wall, or rim-joist insulation will deliver the greatest comfort and energy savings for your home.
Is spray foam insulation safe?
Spray foam insulation is safe when handled and installed by a trained professional. Spray foam poses no health risk once it is cured, but it can be hazardous during installation due to its chemical composition. We follow all industry safety standards, ensure proper ventilation, and complete curing before occupants return to the space, usually 24-48 hours after project completion.
Will spray foam help with the mold and mildew issues in my basement?
Closed-cell spray foam works best for basement ceilings because it provides a high R-value and acts as a moisture barrier. It can also help block sound between floors. For the best results, it’s important to assess your home’s layout, HVAC design, and moisture conditions before choosing where to apply spray foam. The cost to insulate a basement with spray foam depends on the size of the area, existing insulation, and project complexity.
Koala Insulation technicians can evaluate your space and recommend whether ceiling, wall, or rim-joist insulation will deliver the greatest comfort and energy savings for your home.
Mold and Mildew Removalwith Koala Insulation
Watch Now
Free Insulation Assessment
The Koala Insulation efficiency experts will perform a thorough examination of your home’s current efficiency.
Can you insulate the concrete block walls in my basement?
Concrete block basement walls can be insulated with spray foam, provided the surface is clean, dry, and free of moisture issues. Closed-cell spray foam is typically best, as it both insulates and creates a moisture-resistant air seal that helps prevent mold and drafts. Before application, any existing leaks or dampness should be addressed to ensure long-term performance and adhesion.
At Koala Insulation, we’ll determine whether spray foam, rigid foam board, or a hybrid system is the best fit for your block-wall basement so you get a solution built for long-term performance.
Do My Rim Joists Need An Airtight Seal?
Rim joists absolutely benefit from an airtight seal. Sealing this area with spray foam insulation prevents drafts, moisture intrusion, and heat loss where the foundation meets the framing, one of the most common sources of energy waste in a home. By creating a continuous air barrier, you’ll enjoy warmer floors, lower utility bills, and better indoor air quality year-round.
Learn more about rim joist insulation and contact your local Koala Insulation contractor today.
Free Insulation Assessment
The Koala Insulation efficiency experts will perform a thorough examination of your home’s current efficiency.
Is spray foam insulation flammable?
Spray foam insulation itself is not flammable once fully cured, but like most building materials, it can burn when exposed to direct flame. Koala Insulation uses fire-rated, code-compliant products. When installed correctly by our certified technicians, spray foam insulation provides a safe, durable, and energy-efficient layer that meets modern fire safety standards.
Can you paint spray foam insulation?
Spray foam insulation itself is not flammable once fully cured, but like most building materials, it can burn when exposed to direct flame. Koala Insulation uses fire-rated, code-compliant products. When installed correctly by our certified technicians, spray foam insulation provides a safe, durable, and energy-efficient layer that meets modern fire safety standards.
How long does spray foam insulation last?
Spray foam insulation typically lasts 80 to 100 years when professionally installed and properly maintained. Spray foam adheres directly to the building structure and won’t sag or settle, which means it offers the same performance decade after decade.
What are the best applications for spray foam insulation?
Spray foam insulation is a premium, versatile option for a few specific applications. After your initial assessment, we may recommend spray foam for:
Attics: Open-cell spray foam on attic floors seals air leaks and prevents treated air in the living space from escaping into the attic.
Basements: Closed-cell spray foam acts as a vapor barrier in moisture-prone basements, crawl spaces, and cellars.
Exterior Walls: While not always necessarily the most cost-effective option, spray foam fills irregular gaps in wall cavities while providing an effective moisture barrier.
Floors: Spray foam is sometimes sprayed between floor joists in suspended timber floors (non-slab).
Roofs: Closed-cell spray foam installed under the roof deck prevents air leaks and protects against moisture issues.
Can I spray foam insulation myself?
While DIY kits exist, spray foam insulation is not a good do-it-yourself project. Professional installers have the training, equipment, and ventilation controls needed to ensure safety, proper curing, and compliance with building codes. Poor installation from DIY attempts can lead to moisture problems, off-ratio foam, or even voided home insurance coverage, making professional service from Koala Insulation technicians the smarter, safer choice.
Free Insulation Assessment
The Koala Insulation efficiency experts will perform a thorough examination of your home’s current efficiency.
Insulation Education
Learn why insulation is critical to your home’s energy efficiency and your family’s comfort.
Learn More
Get a quote
Ready to start your insulation project? Get a free quote from your local Koala Insulation team today.
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