Building Code Compliance
Specifications and code details for ICF blocks manufactured by CelBlox.
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Code Compliance Documentation
Code Compliance Research Report (CCRR-1005)
Confirms CelBlox® ICFs meet the 2024, 2021, and 2018 IBC and IRC for physical properties, fire resistance, and use in exterior, foundation, and fire-rated walls. Download this report to give your local building official the third-party documentation needed to approve CelBlox ICF blocks on your next project.
CSI MasterFormat Specifications (Section 03130)
Download the CSI-formatted Section 03130 – Insulating Concrete Forms specification, written for architects and specification writers to drop directly into project bid documents. This document details materials, installation requirements, and the ASTM and ICC standards that CelBlox ICF blocks meet for code-compliant projects.
ICF Block Details & Specifications
Get the full technical specifications behind every CelBlox insulating concrete form block, including panel dimensions, available core widths (4″–12″), tri-fold tie construction, and ICC-ES ESR-1525 approval. Use this spec sheet as a quick reference when comparing ICF building blocks for code compliance, structural performance, and jobsite handling.
Energy Performance & The Green Solution
See how CelBlox ICF walls outperform traditional wood-framed construction in energy efficiency, fire resistance, wind resistance, and sound attenuation. Independent test results on how CelBlox ICF walls outperform wood framing: thermal efficiency 21–43% above the stated R-value, up to a 4-hour fire rating, and wind resistance to 250 mph.
More ICF Resources
Download additional documents below and learn about our ICF products.
Installation Manuals
Step-by-step guides for bracing, reinforcing, and pouring CelBlox ICF walls on the jobsite.
Detail Sheets
Downloadable wall-section and connection details for architects and engineers specifying CelBlox.
CAD Files — Revit BIM
Revit and BIM files for every CelBlox block size, ready to drop into your project drawings.
About CelBlox
Learn about our ICF supply company and view past projects to get inspired. We work with homeowners, builders and contractors across the USA.
Who We Are
Meet the Wisconsin factory manufacturing every CelBlox ICF block, and see why builders choose factory-direct.
Project Gallery
Browse residential and commercial builds, plus video walkthroughs, built with CelBlox ICF blocks.