Fox Blocks Straight Block with 4" Core Insulated Concrete Form

The Straight Block from Fox Blocks typically makes up 85% of the ICF wall assembly on most residential and commercial jobs. This block has six strong full-length injection-molded plastic ties made from polypropylene regrind resin. These ties secure the two pieces of 1.5 pcf density modified expanded polystyrene foam together that make up each block type.