Ok to Wash Roof during the winter? Information Central, Roof Cleaner, Roof Cleaning FAQsA common question this time of year….Yes, you can use Roof QSE or Roof OX soft wash cleaners anytime the temperature has been over 40 degrees for at least 4 hours.So there may be snow on the ground, but you can still clean the roof. black roofBrought to you by: Cleaner Today Roof CleaningTags:roof cleaning, soft washRelated Posts Mold Under Solar PanelsRoof Wash – Shingle Shampoo – Roof OX – Oh My! Roof Wash Barrel Tile with Roof Cleaner OX