BuildBlock ICF Block Features

BuildBlock ICFs all have unique features such as the built-in tape measure, horizontal and vertical cut lines and more to save you time, money, and hassle on the job site.

BuildBlock ICF Forms install quickly and easily with no need for special tools. BuildBlock takes special care to design benefits into our blocks that are focused on providing the highest quality product and save you time and money during the installation. We all want your project to be as cost-effective as possible and to prevent mistakes that are a hassle later.



Totally Reversible 

Ultimate flexibility and ease of use; faster installation, less waste. No top,  bottom, left, or right. Corner forms work for either left or right corners. BuildBlock forms are is completely reversible.

Completely finished, assembled block

No onsite assembly required; no labor time wasted.

Industry-standard size: 16″ high x 48″ long

More easily adapted to non-ICF home plans; less waste when cutting around doors and windows; this size block produces the most efficient use of the material.

Foam panels are 2.5″ wide on each side.

Foam depth allows easy accommodation of electric and plumbing installations.

Interlocking connection design

Blocks easily stack and securely lock into place; greatly reduces the need for tape or glue in installation procedures.

1-inch repeating cut pattern

More layout options; less waste; no mismatched connections.

Molded-in horizontal cut lines every 2 inches

No need to mark forms; faster cutting.

Numbered vertical cut lines on every inch

Eliminates the need for a tape measure

High-density plastic web, molded in place every 6 inches

6-inch spacing makes for a stronger form than the 8-inch spacing found in most other ICFs. The plastic web doesn’t transmit sound or conduct heat or cold.

Near full-height, 1-1/2″ wide web

Provides maximum strength and sheetrock attach points while leaving one inch between courses for easy electrical and plumbing installation.  Also, the 1-1/2″ wide web matches the width of a 2″x4″ stud.

Completely symmetrical web

Produces two identical halves when the form is cut in two horizontally.

Open web design

Allows for optimum concrete flow

Deep snap-in rebar fingers hold two 5/8″ rebar in place

No need for rebar ties; faster installation.

Extra heavy-duty attachment points (450 lbs.+) every 6 inches horizontally

Allows for super secure attachment of bracing or heavy cabinetry. Don’t trust anything less for your fine china!

Longer corner forms with molded-in, 2-1/2″ wide corner web

Eliminates the need for additional strapping during installation and pour. Also, the 2-1/2″ x 6″ (each direction) web provides superior attachment surfaces.