Professional Attic Insulation & Replacement
Spray Foam, Blown-In & Batt Insulation Services
Why Homeowners Choose Therma-Lock Insulation
Therma-Lock Insulation is a trusted insulation contractor in Spokane WA serving homeowners across Eastern Washington and North Idaho. As one of Spokane's trusted insulation contractors we specialize in attic insulation, spray foam insulation, and energy-efficient home insulation solutions designed to lower energy bills and improve comfort.
Insulation Contractor in Spokane & North Idaho
Energy-Efficient Attic Insulation Solutions
Did You Know That Even If Your Home Is As New As Two Years Old It Could Already Be Falling Short Of The New Building Standards? With The New 2025 Building Efficiency Codes, 95% Of Homes In Spokane And Surrounding Areas Do Not Meet The Minimal R-Value For Attic Insulation. Contact Us Today To Find Out How Therma-Lock Insulation Can Get You Up To Code On Your Homes Insulation.
Our attic insulation services in Spokane WA help reduce heat loss, eliminate drafts, and improve indoor comfort. Whether you need attic insulation replacement or upgrades, our experienced insulation installers ensure long-lasting results.
Get to Know Us
Therma-Lock Insulation Is a Spokane, WA Based Company Serving Eastern Washington And North Idaho Regions. Our Company Was Established By A Builder Who Has Been In The Construction Industry Serving This Area Since 2017. Being In This Industry We Understand The Importance Of Having Quality Driven Contractors By Your Side. Whether You Are A Builder Looking For A Quality Sub-Contractor, A Homeowner Building Or Remodeling Your Home, We Would Love To Earn Your Business And Provide You A Easy and Stress Free Experience!
Solutions
Batt Insulation
Fiberglass batt insulation is a widely used option due to its effectiveness and ease of installation. At Therma-Lock, we ensure you receive the best materials for your home or project, maximizing performance and efficiency.
Blow-in Insulation
Our blow-in fiberglass insulation service offers remarkable thermal resistance. This flexible option allows us to fill difficult spaces easily, ensuring your property is energy-efficient and comfortable all year long.
Closer Cell Spray-foam insulation creates an airtight seal that drastically improves energy efficiency. Our expert team applies this solution, optimizing your home's insulation while minimizing energy loss and enhancing durability.
The First Thing We Recommend To Any Client With A Home Older Than 5 Years Is To Get Our Free Attic Insulation Analysis. Replacing Old And Ineffective Insulation And Air-Sealing Your Attic Is The First Step To Improving Energy Efficiency In Your Home.
Choose The Right Insulation For You
Fiberglass Batts
Fiberglass Batts Is The Most Affordable And Most Commonly Used Type Of Wall Insulation. Giving You An R Value Of 21 Fiberglass Batts Is A Great Option For Both New Construction And Remodel Projects That Is Effective And Won't Break The Bank.
Fiberglass Dense Pack
Fiberglass Dense Pack Is a Loose Fill Material That We Blow Into Your Wall Cavity Tightly Giving You An R Value Of 23. While Being A Slightly Bigger Investment Over Batts, Dense Pack Is Still Extremely Affordable And A Great Way To Upgrade Your Comfort And Efficiency.
Closed Cell Spray Foam
Closed Cell Spray Foam Is The Top Of The Line In Insulation. While Being The Most Expensive Form Of Insulation Customers Choose Spray Foam For Its 3in1 Benefits. Not Only Does Spray Foam Give You An R Value Of Up To 35, But It Also Acts As An Air Seal And A Waterproof Barrier.
Frequently Asked Questions
What Is R-Value
How Often Should Attic Insulation Be Replaced.
What R-Values Are Recommended In My
Area
How Therma-Lock Compares to Other Contractors in Spokane
Insulation ratings are measured in R-values per inch of thickness. An R-value tells you how well a type of insulation can keep heat from leaving or entering your home. R-value insulation ratings vary based on the type, thickness and density of the insulation material. Typically, a higher R-value means better climate control and better energy efficiency for your home.
Every 10-15 Years As Insulation Can Get Dirty, Wet and Inefficient. Insulation Should Be Replaces Immediately If It Had Exposure To Moisture.
Wet Insulation Can Lead To Mold So It Is Best To Take Care Of The Problem Before Mold Forms.
In Eastern Washington And North Idaho
We Recommend R-21 For Walls, R-60 In
Your Attic And R-38 In Floor Over Crawl.
-Local experience
-Multiple insulation options
-Transparent pricing
-Free attic evaluations
Proudly Serving Spokane, WA & North Idaho
Therma-Lock Insulation proudly serves homeowners throughout Spokane, Spokane Valley, Coeur d’Alene, Post Falls, and surrounding areas. We provide professional attic insulation, spray foam insulation, blown-in insulation, and batt insulation services across Eastern Washington and North Idaho.