The Exterior Portfolio by Crane Portsmouth 8 foot Long Length Cedar Shake is part of the Siding
test program at Consumer Reports. In our lab tests, Siding
models like the Portsmouth 8 foot Long Length Cedar Shake are rated on multiple criteria, such as those listed below.
Fading: Fading reflects resistance to color changes after accelerated weathering tests using intense heat, UV light, and water spray to mimic typical weathering cycles siding would encounter on an actual home.
Cold impacts: Cold impacts is resistance to damage from blows at 0 degree Fahrenheit.
Warm impacts: Warm impacts is resistance to damage at roughly 70 degree Fahrenheit. Impacts mimic blows from fallen objects and other mishaps.