Review the actual panel profile.
Discuss its broad flat areas and likely appearance on the intended elevation, not only a small finish sample.
Siding · Manchester, Washington
Siding in Manchester using broad metal panels needs realistic expectations for the surface seen in changing light.
A flat-looking swatch cannot represent a full elevation. Ask how the selected profile may display waviness and how a concern will be assessed after installation.

Siding replacement
Ask the supplier to explain oil canning for the proposed light-gauge metal profile and show representative installed examples. Agree how a future observation will be documented, including its location and viewing conditions, and who will assess the product and installation. Keep that assessment separate from an automatic demand for replacement or an unsupported assurance that every distortion is harmless.
Discuss its broad flat areas and likely appearance on the intended elevation, not only a small finish sample.
Use safe ground-level photographs with the panel location and changing light noted if a concern appears.
Ask who reviews material, handling and installation factors before a remedy is proposed.
Before work begins
Confirm the County’s siding-permit process and identify removal, replacement and any underlying correction. Ask separately whether the actual parcel and proposal need MVC design review.
Do not flatten a finished panel or add unassessed fixings to resolve an appearance concern. Have the responsible provider assess the actual construction and proposed response.
Discuss the selected profile’s full-elevation appearance and limitations.
Have the provider assess the actual condition instead of diagnosing it from appearance alone.
Obtain the assessed cause and an appropriate proposed remedy before changing the panel installation.
Share the proposed profile, elevation photographs and any observation already assessed by a provider.