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ALSCO rain-carrying system: type figure, drawn from this record's sourced dimensions. No dimension is drawn that its source did not publish.
ALSCO rain-carrying system — type figure. Drawn from this record's own sourced values; every dimension on it is one a published document states, and a parameter the source did not publish is named on the drawing rather than estimated. CC BY 4.0.

ALSCO rain-carrying system

This is a retrofit component this site records. It is not, by itself, an adopted-code approval.

Kind: retrofit-component. Brand: ALSCO. Page reviewed 2026-08-24. JSON (CC BY 4.0)

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Can you use it here?

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No, the ALSCO rain-carrying system is not identified as a separately listed product for wildfire-area use.

Its compliance status rests on matching documented product attributes, not on a product-specific listing.

The system is a residential and light-commercial retrofit component made from 3105-type aluminum gutter coil, with aluminum downspouts and accessories described in its specification. That construction may satisfy a project requirement based on material attributes, but it does not establish that every ALSCO configuration has been individually reviewed or listed for wildfire-area installation.

The specification covers two gutter-coil thicknesses and several downspout thicknesses, so the system cannot be treated as having one universal thickness. Before using it on a project, confirm the exact formed profile, coil thickness, downspouts, accessories, and installation against the applicable requirement. The practical answer is that ALSCO may qualify through the attributes of a particular configuration, but the supplied status does not support calling the entire rain-carrying system a listed wildfire-area product.

Documents for this product

Each link opens the publisher's own copy, so you read the revision they are shipping today.

Spec sheets

Documented attributes

Each value below points to its field-level manufacturer, official-listing, test-report, or standard-body evidence.

AttributeValueEvidence source
Form
Assembly role gutter ALSCO rain-carrying product specifications (manufacturer)
Material
Material aluminum ALSCO rain-carrying product specifications (manufacturer)

Where this product goes

FA Exhibit DET-007. Gutter, drip edge, and fascia assembly

Published requirement matches

These links are generated from the cited attributes above. They do not decide installation or a project result.

Specification notes

Sources

ALSCO rain-carrying system. FireApproved. https://fireapproved.com/materials/alsco-rain-carrying-system/. Last verified 2026-08-24.