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When you step inside an ICF home, it’s apparent that this is no ordinary house. ICF homes combine expanded polystyrene (EPS), one of the most heavy-duty insulating materials, with  steel-reinforced concrete, one of the strongest structural building materials. The result? A foundation of unrivaled durability, energy efficiency, noise reduction and safety for your home.

As homeowners become more concerned with rising energy costs and preparation against natural disaster—especially with rampant Central Texas flooding and wildfires—ICF construction is a winning choice for a home that’s not just beautiful but extraordinarily durable and built to last. 

What Is an ICF Home?

Insulating concrete forms, also known as ICF, is a system of wall construction that utilizes cast concrete walls sandwiched between two layers of foam insulation forms. These forms are stacked as interlocking blocks, which are connected with steel reinforcing rods and left in place to provide insulation for your home. This extremely sturdy and insulated foundation results in homes that are airtight, well insulated and energy efficient. They’re also able to withstand severe weather events like flooding, tornadoes and wildfires much better than wood-based construction.

An ICF home isn’t limited to a certain architectural style—these homes can have a traditional finish, from brick to wood to siding on the interior or exterior. 

What Are the Benefits of ICF Homes?

You know that an ICF home is extremely durable and safe, but how does its construction affect your day-to-day life?

  • Energy performance: ICF homes seal extremely well because of the continuous layers of insulation on both sides of the wall that eliminate thermal bridges, thereby reducing the loss of heat and cooled air. In fact, field studies of similar ICF and wood-frame house constructions found that ICF wall construction can offer a 20% to 25% savings in annual heating and cooling costs.
  • Resistant to natural disasters: In Central Texas, flash floods and wildfires are a real and constant threat, which makes weatherproofing your home against them a necessary safety precaution for emergency situations. ICF wall systems are rated to resist extreme weather conditions, including tornadoes and high winds in excess of 250 miles per hour. Whether you’re wanting to build a single safe room—a tornado shelter, for example—or an entire ICF foundation, a Texas ICF home builder can provide you with protection from the recurring threat of flooding and wildfires in Central Texas.
  • Durability: Concrete is known to be extremely resistant to degradation, which means your home will be able to withstand decay, rot and corrosion much better than homes constructed from wood.
  • Comfort: Because an ICF home has such impressive thermal insulation, you’ll experience reduced drafts and more stable temperatures overall.  
  • Soundproofing: An ICF home’s peak energy performance even extends to your home’s acoustical properties, by reducing outdoor noise and making your home more quiet and peaceful.
  • Cleaner air: It’s easy to not think about your indoor air quality until it’s already gone bad, but air quality affects our comfort and our health, too. Since ICF builders create homes that are basically airtight, it’s much more difficult for pollen and other allergens and irritants to make their way indoors.  

If you’re looking for an Austin ICF home builder, Mangum Builders is here to help make the process as simple and stress free as possible. Contact us today, and let us make your vision of the ideal home a reality.


Greg is here to help you create the home you have always wanted.

Contact Us

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“We move walls, raise headers, lift ceilings, install new windows, replace brick with stone, and straighten crooked ceilings and floors. If we can get it on paper, we can do it!”

greg mangum