Technical document revision

Modular AL Rainscreen Wall Panel — Three-Part Specification

StatusCurrent
Last verifiedSeptember 7, 2026

Revision context

Document record

The file is a Word three-part specification titled Modular AL Rainscreen Wall Panel, under Section 074210, Metal Plate Wall Panels. It covers metal plate wall panels and attachment components for a weather tight wall system based on the AAMA CW-RS-1-04 rainscreen principle. Related sections cover cold-formed metal framing, sheet metal flashing and trim, and weather resistive barrier. Performance requirements are pressure equalization under ASTM E1233 at 1200 Pa (25 psf) for 100 three-second cycles, air leakage of no more than 0.6 cfm/sf at 1.57 psf under ASTM E283, and static water penetration under ASTM E331 at 6.24 psf minimum for 15 minutes.

Structural performance is tested under ASTM E330 without permanent deformation or failure. Submissions include product data, shop drawings, full-scale accessories at least 12 inches long, 2 by 3 inch sample chips, coordination drawings and a warranty of at least five years from substantial completion. The specification requires installers trained and approved by the manufacturer, a single manufacturer for each panel type, Buy America compliance, and storage with the top of the panel down.

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: Modular AL

Modular AL

Cassette-style aluminum cladding that combines different panel sizes, depths and orientations. Designers can coordinate a standard module or a custom facade pattern. Record scopeThis page is the product-level record for Modular AL. It separates this product from similar lines, variants and generations so that specifications

Family: Architectural wall systems

View permanent product record

Provenance

Archive and verification record

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

View the original manufacturer source

Report incorrect or outdated information