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WILLIWAW Weathering Document

The product images shown represent accelerated weathering conducted at our facility in Telford, PA, located in a humid continental climate with warm, humid summers and cold winters. Average temperatures range from 25–45°F in winter and 65–85°F in summer, with approximately 41 inches of annual precipitation, 65% average humidity, and a summer UV index of 8–9.

Materials are installed facing due south at a 45° angle, receiving approximately 8 hours of direct sunlight daily to accelerate exposure. The estimated acceleration factor is approximately 3:1 — meaning one year of testing may correlate to roughly three years of natural weathering.

Actual appearance and weathering timelines will vary based on climate, altitude, orientation, and site-specific conditions. Due to the natural variability of wood and environmental factors, exact correlations cannot be guaranteed.

Day OneIMG_5546_WILLIWAW_12-14-18----

6 MonthsWillywaw_6866_4-19

One Year8-2020-IMG_0796

Recoat
2-2021-IMG_2341

Recoat 6 Months
2-2021-IMG_2341

Recoat 1 Year
v211-2021-IMG_8866