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Insulated Concrete Forms:

  Straight Block

  Corner Block

  Energy Stick

  HV Clip


For current pricing,
please contact our Technical Representative

Jake Kimbell
(907) 348-6306

or by e-mail

or our Sales Counter
(907) 348-6300

or by e-mail



Technical Information

A Green Choice

  • High savings in energy costs

  • Longer building lifespan

  • Does not emit VOCs

  • Contributes to LEED® credits

  • Contributes to major building programs, including Building America Program,
    ENERGY STAR®, Novodimat®,
    NAHB National Green Building StandardTM
Your reduced energy use will create less greenhouse gas every year, helping to contribute to a better planet for generations to come.


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    Insulated Concrete Forms (ICFs)


The Latest in ICF Technology and Design -
Manufactured to Lower Labor and Accessory Costs


Energy efficient: The combination of insulation and the concrete core acts as a mass wall and blocks air infiltration, allowing buildings to save significantly on their heating and cooling costs.

Flexible: ICFs are a lightweight rigid foam insulation block. Walls can be designed tall, short, of varying thicknesses and with any curve or shape.

Fast build - lower cost: You don't need additional air or vapor barriers or external insulation; and the stay-in-place insulation lets you place concrete in cold weather without additional heating or curing. A reduced construction schedule will move you into your more energy efficient building even sooner.

Superior Structures: Structures build with ICFs are up to 25% stronger than other concrete walls, helping withstand earthquakes, hurricanes and tornadoes.

Green: ICF products are made with recycled materials and can contribute LEED credits. They improve indoor air quality and emit no volatile organic compounds (VOCs).



FOX BLOCKS, the leading manufacturer of ICFs, provides you with the most efficient and profitable building envelope available. Fox Blocks ICF buildings are energy-efficient, environmentally-friendly, sustainable, quiet and comfortable and give you superior results when compared to conventional building methods. An envelope that resists harmful mold, dust and allergens, along with powerful wind, storm and fire damage.
  • Reversible industrial strength interlock minimizes form movement during concrete placement.

  • Concerned about attachment? Our ties extend the full height of the block and are a full 1-½” wide at 8” on center across the wall.

  • Corners. Added 16” in length, 2 additional ties in addition, to our full height patented corner bracket (increased fastening area).
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Fox Blocks - Straight Block

The Straight Block typically makes up 85% of the ICF wall assembly on most residential & commercial jobs.

This block has six (6) strong full length injection molded plastic ties made from Polypropylene (PP) regrind resin that are well marked with the word "Fox Blocks" located on both sides of the block. These ties secure the two pieces of 1.5 pcf density modified Expanded Polystyrene (EPS) foam together that makes up each block type. The blocks are stacked tightly together and inter-locked end to end to the desired wall length.

Once a single layer or course of ICF blocks is installed, horizontal reinforcing steel bars are inter-locked securely together in the ties of the blocks, then another course of Straight Blocks are placed firmly on top as the wall is built. To improve construction wall strength during installation, each course of blocks should have their end-joint connections staggered in a running bond method from the course adjacent to it.


Technical Drawing
6 inch Straight Block


Technical Drawing
8 inch Straight Block


Prod.#Description/
Core Width
Form Width Length Surface AreaConcrete Volume
FBFOX-S600 Straight Block,
6 inch
11.25" 48 in 5.33 sq ft 0.099 cu yd
FBFOX-S800 Straight Block,
8 inch
13.25" 48 in 5.33 sq ft 0.132 cu yd
Available by Special Order:     Straight Blocks 4 inch, 10 inch, or 12 inch core width.
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Fox Blocks - Corner Block

The 90 Degree Corner Block typically makes up 10-15% of the ICF wall assembly on most residential & commercial jobs.

This block has six (6) strong full length injection molded plastic ties made from Polypropylene (PP)regrind resin that are well marked with the word "Fox Blocks" located on both sides of the block. The corner block also has one (1) patent pending corner bracket designed like no other in the ICF Industry.

This 7/32" thick x 1-1/2" wide corner bracket was engineered to add more strength/support to the block because it connects the inner/outer 1.5 pcf density modified Expanded Polystyrene (EPS) foam panels together and is designed with a round through hole in the outer panel for the installation of a 3/4" PVC or metal pipe to reinforce the corner once the wall is built to eliminate blow-outs during the concrete pour. The bracket has a marketed exterior fastening surface that is very large on both sides of the block to secure exterior veneer finishes.

Technical Drawing
6 inch Corner Block


Technical Drawing
8 inch Corner Block


Prod.#Description/
Core Width
Form Width Length/ Return Surface AreaConcrete Volume
FBFOX-EC690 Corner Block,
6 inch
11.25" 40 in/ 24 in 7.11 sq ft 0.105 cu yd
FBFOX-EC890 Corner Block,
8 inch
13.25" 42 in/ 26 in 7.56 sq ft 0.145 cu yd
Available by Special Order:   Corner Blocks 4 inch, 10 inch, or 12 inch core width.
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Fox Blocks - Accessories

Energy Stick

The Energy Stick is profiled to fit within all Fox Blocks. The reflective graphite coated Expanded Polystyrene is used to ensure an R-9 boost to the already high R-value of the Fox Blocks.



Product Info Energy Stick

HV Clip

The HV Clip is engineered to be perfectly balanced to secure Fox Blocks together. The clip works horizontally or vertically to give flat walls post concrete.

Using the Fox Block HV CLip eliminates the need for truss wire completely.



Product Info HV Clip

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