Installation Instructions
877-369-2562 | WWW.FOXBLOCKS.COM | 6110 Abbott Drive | Omaha, NE 68110
Fox Blocks ICF Guidebook V5MAR17
8
Why Contractors are Choosing Fox Blocks
FOX BLOCKS INTERLOCK
THE OLD
For the past 20+ years, the
interlock of most ICFs in the
industry
have been designed
to be within 1/2"
to 1" of the
desired building dimension.
Most
contractors have been trained
that it is acceptable to be this far
off the desired dimension.
THE NEW
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.
To do this they turned the
projections and recesses of the
interlock parallel to the block itself
and for simplicity/strength they
made them 1" wide and 2" long.
Walls should be square
and built to the building
dimensions. For this reason,
Fox Blocks recommends
stacking seams when needed.
BENEFITS OF THE LARGE
INTERLOCK:
• Minimized movement during
concrete placement
• No adhesive required due to tightness of interlock
• Eliminates the need for truss wire within the wall
• The full height ties are always on top or 4" apart of
each other
Review next page to see the proper procedure for stacking seams.
Shows the large 2" long projections and recesses and the full height 1 1/2" wide tie
Here is a job, post concrete, that has been constructed exactly to the building
dimension by properly stacking seams.