National Gypsum’s PermaBase CI Insulated Cement Board is a composite cement board that combines the strength of PermaBase with high-density polyiso insulation to create a substrate for exterior finishes. PermaBase CI meets or exceeds energy code requirements in all seven climate zones across the country with an R-Value of R-10. For use in residential, multifamily and low-rise commercial applications, PermaBase CI is lighter weight than using separate cement board and insulation products. The mold-resistant product, which was validated by UL Environment, has achieved NFPA 285 Approvals for Adhered Veneer Finishes and is GREENGUARD GOLD certified.
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