Leading ICF Supplier for Flathead County and Beyond

Embark on a greener building journey with HoldFast ICF, the leading ICF supplier for Flathead County, Kalispell, Whitefish, Bigfork, and Columbia Falls. Our mission is to equip your residential and commercial building projects with the highest quality insulated concrete forms. Partner with us to build with materials that prioritize durability, energy efficiency, and sustainability—right here in Northwest Montana.

Residential ICF Materials

Craft your sustainable Montana home with HoldFast ICF. Our residential ICF materials empower you to construct homes with unparalleled insulation, safety, and comfort. Experience lower energy costs and a reduced environmental footprint with our state-of-the-art ICF supplies. Let’s build a legacy of durable, eco-friendly homes together.


HoldFast ICF delivers top-tier commercial ICF supplies throughout the Flathead. Our ICF materials meet the demanding needs of commercial construction, offering cost-effective, energy-efficient, and robust solutions for any scale of the project. Tap into our expertise as a local ICF supplier to enhance the structural integrity and longevity of your commercial developments.

Your Partner in Construction Excellence

Through our dedication to innovation, quality, and customer support, we ensure every project benefits from our advanced ICF materials, and expert guidance. Here’s how we stand by your side through every phase of construction:

Expert Product Support

Benefit from personalized guidance from our experienced team who understand the ins and outs of ICF materials, ensuring you make the best choices for your construction needs.

Customizable Solutions

We offer custom-designed ICF products tailored to the specific requirements of your project, enhancing performance and architectural flexibility.

Supply Chain

Depend on our efficient logistics for timely delivery of ICF materials, keeping your project on schedule without interruption.

Elevate Your Build with HoldFast ICF

Ready to transform your construction project with our top-tier ICF materials? Contact HoldFast ICF today and take the first step towards building smarter and more sustainably.