ICF Construction - FAQ

RIGADOM ICF Block RIGADOM ICF Block

What is ICF?

 

ICF stands for Insulation Concrete Forms.  It is a system of light weight blocks that look like giant Lego blocks.  The blocks are assembled and filled with concrete to form exterior walls.  Click to read more.

 

Where do I buy ICF?

 

RIGADOM is an authorized distributor and dealer of ICF blocks.  We are located in McLean, VA and we stock most of our product at the local manufacturing facility.

 

How do I know what to buy?

 

RIGADOM's trained staff will work with you directly or with your architect to select the right product for you. Forms vary in sizes and configuration.  

ICF house under construction ICF house under construction

What are the benefits of building with ICF?

 

ICF structures are:

 

More Energy Efficient

- Low Air Infiltration

- Elimination of thermal bridging

- Up to 70% savings on heating and 50% savings on A/C

- Small HVAC systems

- Increased R-values of up to 50% due to thermal mass

 

Stronger and Safer

- ICF walls can withstand 200 mph winds

- 2 - 4 hour fire rating

 

Quieter

- Sound Transmission Class:  STC 58 v. wood frame rating of only STC 25

 

Provide Healthier Living

- ICFs do not foster mold or mildew growht

- No offgassing

- ICF vertually eliminate hot and cold spots, drafty rooms, and temperature fluctuations

 

Sustainable

- Optimized energy performance

- Durability

- Use of recycled material content, local materials

- Improved indoor air quality

- LEED accredited