Technical document revision

Corr-Lok — Sales Sheet

StatusCurrent
Last verifiedSeptember 7, 2026

Revision context

Document record

This two-page PDF is a sales sheet for Corr-Lok, a PAC-CLAD insulated metal panel for exterior walls. The footer is marked 11/24. Coverage is 42 inches wide, with thicknesses of 2, 2.5, 3 and 4 inches and lengths from 8 to 40 feet. Exterior gauges are 24 and 22, the interior gauge is 26, and the substrate is Galvalume G90. The exterior finish is siliconized polyester or low-gloss PVDF, the interior finish is polyester or siliconized polyester, and the core is continuously poured-in-place polyisocyanurate foam rated R-8 per inch nominal.

The panel face is micro-corrugated, and the offset double tongue-and-groove joint is listed. Page 2 gives ASTM C518 K-factors of 0.139 at 75 degrees F mean and 0.129 at 35 degrees F mean, ASTM E283 air leakage of 0.0011 cfm/sf at 20 psf, and ASTM E331 zero water penetration at 20 psf. Foam properties are shear strength 16 psi, compressive strength 18 psi, density 2.25 pcf, tensile strength 21 psi, and closed cells of 90% or more under ASTM D6226.

The fire entries are ASTM E84 with flame spread below 25 and smoke below 450, NFPA 285 passed per technical bulletin ATB-0007, and FM 4880 Class 1 per ATB-0005. Impact and approval entries include FM 4881 Class 1 per ETB-0008 and ETB-0013, TAS 201 with Miami Dade County NOA No. 20-1202.02, Florida Product Approval 16327.1 R3, and TX Dept. of Insurance Product Evaluation EC-103.

Material changes / notes

Official file linked from the current catalogue. No local archive copy is retained. Publication date and revision have not been verified.

Applicability

Related products

Current Code: Corr-Lok

Corr-Lok

An insulated wall panel with a micro-corrugated exterior face. Its fine surface profile provides a different architectural finish from the broader ribs of other insulated panels. Record scopeThis page is the product-level record for Corr-Lok. It separates this product from similar lines, variants and generations

Family: Insulated metal panels

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Provenance

Archive and verification record

First discovered
September 7, 2026
Last verified
September 7, 2026

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