Below are additional photos of field sampling of artificial slate and shake products.

The edge of Product 5 was soft and easily broken by hand.

Many broken slates fell from this roof.

This shake almost disintegrated as it was removed from a roof.

Exposed shakes cup upward.

Factory finish has weathered from Product 4, allowing uneven staining to occur.

Curling of Product 4

Staining and erosion of felt under shakes

Surface erosion and a crack in a sample of Product 3

Weathering has eroded surfacing from Product 2.

This flattened shake is cracked.

Erosion of felt under joints between shakes

This Web exclusive information is a supplement to What went wrong.