Can Spray Foam Be Used in Existing Walls?

Can Spray Foam Be Used in Existing Walls?

As Colorado's leading insulation experts, Insulation Pros of Colorado understands the critical role insulation plays in your home's comfort and energy efficiency. One question we often encounter is: can spray foam be applied to existing walls? Let's dive into this topic and explore how spray foam can revolutionize your home's insulation.

What is Spray Foam Insulation?

Spray foam insulation is a unique material that expands and hardens upon application, creating a tight seal in the insulated area. There are two primary types: open-cell and closed-cell, each with distinct advantages. Spray foam stands out for its superior insulating properties and ability to conform to irregular spaces, making it an excellent choice over traditional materials.

Feasibility of Installing Spray Foam in Existing Walls

Installing spray foam in existing walls is indeed feasible and beneficial. The process involves injecting the foam into wall cavities and allowing it to expand and fill the space thoroughly. This method is particularly effective in older homes where traditional insulation may have settled or degraded.

Benefits of Using Spray Foam in Existing Walls

Energy Efficiency: Spray foam significantly reduces heating and cooling costs, thanks to its high R-value and air-sealing properties.

Air Sealing: It improves indoor air quality by minimizing air leaks, keeping your home comfortable year-round.

Durability: Compared to other insulation types, spray foam maintains its efficiency over a longer period, reducing the need for frequent replacements.

Installation Process

Our skilled technicians at Insulation Pros of Colorado follow a meticulous process for installing spray foam in existing walls. We use advanced equipment to ensure a safe and effective application, aiming for minimal disruption to your daily life. The process usually takes less time than you might expect, with immediate improvements in insulation efficiency.

Considerations Before Installation

Before proceeding with spray foam insulation, it's crucial to assess the condition of your existing walls. Our team provides professional evaluations to identify any potential risks, such as moisture issues, ensuring the compatibility and effectiveness of the spray foam.

Cost Analysis

While the initial cost of spray foam might be higher compared to traditional insulation, the long-term savings in energy bills make it a cost-effective solution. Our team at Insulation Pros of Colorado offers transparent cost breakdowns to help you understand the financial benefits.

Case Studies and Success Stories

We have numerous success stories where spray foam insulation dramatically improved energy efficiency and comfort in both residential and commercial buildings. These real-life examples showcase the transformative impact of choosing the right insulation.

Environmental Impact and Sustainability

At Insulation Pros of Colorado, we are committed to environmentally friendly practices. Spray foam insulation contributes to sustainable building by reducing energy consumption and minimizing carbon footprints.


Choosing the right insulation is crucial for your home's comfort and energy efficiency. Spray foam insulation, especially in existing walls, offers numerous benefits that traditional materials can't match. With Insulation Pros of Colorado, you can trust our expertise and experience to deliver outstanding results.

Ready to enhance your home's insulation? Contact Insulation Pros of Colorado for a free, no-obligation estimate. Let us help you make an informed decision and enjoy the comfort and savings that come with superior insulation. Call us at 970-980-6455 or fill in our online form to schedule your estimate today.

Don't Waste Time! Schedule your FREE Estimate Today!

Our Mailing Address

871 Thornton Pkwy #116; Thornton CO 80229

Business Hours

Monday-Friday | 08:00a.m. - 05:00p.m.

(970) 980-6455

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

See what our happy clients have to say

no author picture

Derrick with Insulation Pros of Colorado came out to our home to provide a quote for service. He was very professional and after reviewing our needs, he recommended using a different product. I appreciate ...

no author picture
Steve Elston

Great people. knowledgeable about what they do. Nice and courteous.

no author picture
Jeb Benson

finish. I was primarily concerned about acoustics and sound mitigation and they provided some great, practical advice about the trade-offs between the different materials and price/performance. They were ...

no author picture
Ron Gould

of our questions regarding home insulation. They treated us and our home with respect when they installed the insulation. Best of all, IT WORKED!!!. The high yesterday in Denver was 97F and our upstairs ...

no author picture
Bill Sharp

to talk with and explained every question I had. Some were more expensive, and a few less but beware of what you pay for. Felt Dustin, his crew, and the office manager were great in working with me. ...

no author picture
Rebekkah Johnston

They were professional, prompt and efficient! Great service!!

no author picture
Alyssa Seaton

Excellent communication and response time. Thorough and quality work.

no author picture
Dennis Carroll

The office manager was delightful, the estimate was fair and we could see a difference in our heating bill immediately. Will definitely recommend to friends and family

no author picture
Shandra Botello

I hired insulation pros to put insulation in my attic as well as in several walls in the house. They were professional, kind and helpful. They worked quickly and efficiently and were very respectful working ...

no author picture
Dennis Carroll

Great company, would recommend.

no author picture
Rebekkah Johnston

They were professional, prompt and efficient! Great service!!

no author picture
Nina Lemoi

It was fast, and affordable. Dustin was professional & personable. It made such a difference in our townhouse. If you need this done, this is the company to do it for you.

no author picture
John Mayers

They blew in insulation into my attic in a Denver bungalow that otherwise has zero insulation, and I gotta say, it makes a big difference. The furnace seems to be running a lot less already and the house ...