United States / Build / WeatherShield WSA chimney cap with half-inch screen

WeatherShield WSA chimney cap with half-inch screen

Name: WeatherShield WSA chimney cap with half-inch screen
Brand: Improved Consumer Products

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

An Improved Consumer Products chimney cap option made from austenitic stainless steel with a nominal half-inch screen opening.

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

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Documented attributes

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

Attribute	Value	Evidence source
Form
Assembly role	chimney spark arrestor	WeatherShield manufacturer product notice (manufacturer)
Dimensions
Mesh opening	0.5 in	WeatherShield Model WSA specifications (manufacturer)
Material
Material	stainless steel	WeatherShield Model WSA specifications (manufacturer)
Corrosion resistant	Yes	WeatherShield Model WSA specifications (manufacturer)

Where this product goes

FA Exhibit DET-009. Chimney: spark arrester spec + 10' vegetation clearance

Published requirement matches

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

CAL FIRE chimney screen · California

Models named on the listing

Model	Application
WSA-3-SS through WSA-14-SS half-inch-screen options

Specification notes

The half-inch-screen model suffix must be confirmed; the standard WSA line also includes one-inch-screen options that do not match the cited CAL FIRE dimension range.
Confirm chimney type, flue size, draft, cleaning access, installation, and local fire-code requirements with the manufacturer and AHJ.

Sources

WeatherShield Model WSA specifications — Improved Consumer Products, Inc. (manufacturer). Accessed 2026-08-24.
WeatherShield manufacturer product notice — Improved Consumer Products, Inc. (manufacturer). Accessed 2026-08-24.

WeatherShield WSA chimney cap with half-inch screen. FireApproved. https://fireapproved.com/materials/weathershield-wsa-half-inch-screen-chimney-cap/. Last verified 2026-08-24.