The Fox Block Interlock
When the Fox Blocks interlock was designed our Engineering staff made the choice not to focus on being within 1÷2” to 1” from the building dimension but to give the strongest interlock possible.
Using Fox Blocks' Online Estimator for Your Next ICF Project
We know estimating for an ICF project can be daunting if you don’t know where to start, so we’ve created this helpful video tutorial.

Building Stronger Hotels with ICF Blocks
The Fox Blocks Line-Up at a Glance
With advice from leading contractors in the Insulated Concrete Form business, Fox Blocks has created an incredible group of blocks.
In the Field: Gymnasium Auditorium in Phoenix, AZ
Take a tour with us through the Gymnasium Bourgade Hillman High School in Phoenix, AZ.
Growing ICF Awareness
Anybody that knows ICF has said or heard the same thing. “What a great way to build-why don’t we see it going up everywhere?”
Three Key Areas give You the True Accurate Cost of the ICF you Choose
Glen's Contractor Tip Corner: Short Jogs
I had a call this week from a contractor who wanted to know if there was an easy way to build a two foot jog into a wall. This brought back flashbacks of when I used to attempt to interlock corners thinking the strength of the interlock was going to hold things together during concrete placement.
International GreenBuild Trade Show in Toronto
Over the past few years developers have observed that LEED registered buildings lease more quickly and with rent premiums of up to 30%.