When the siding has gotten wet, it should be separated and allowed to dry totally prior to installation. I would generally concur with Amado. I way too live in the Pacific NorthWest and would insert that I might routinely add a mildecide agent on the powerwash. Home bleach functions really http://exterior-painting-contrac80369.xzblogs.com/18644437/details-fiction-and-cedar-siding-paint