Do ICFs promote mold or mildew growth?
EPS is an inert, organ­ic mate­r­i­al. It pro­vides no nutri­tive val­ue to plants, ani­mals or micro-organ­isms. It will not rot and is high­ly resis­tant to mold and mildew.
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.
How strong is the Fox Blocks corner 2 of 3 insulated concrete forms icf.wmv

How strong is the Fox Blocks corner 2 of 3 insulated concrete forms icf.wmv

Is burning EPS toxic?
Test reports con­duct­ed by the Nation­al Research Coun­cil state: The max­i­mum tox­i­c­i­ty index obtained from the com­bus­tion of poly­styrene was of the same order as that of wood.” Fox Blocks ICFs have been test­ed to meet build­ing code require­ments for flame spread rat­ings, smoke devel­op­ment and tox­i­c­i­ty