Dr Basscanada 14 Report post Posted April 3, 2006 As part of some major renovations I placed Wavey rough sawn western red cedar pretreated with CWF-UV . Two weeks later after two days of rain several areas where water had run off the roof (no eavestroughs yet) resulted in quite severe whitish blotchy areas from top to bottom. It appeared as some kind of residue but after washing with water and light brushing it remained. I will be using cabots australian or wood tux as recommended by Beth (thank you by the way) on 2000 sq ft of horizontal boards (decking) but am now obviously forced to consider stripping the newly stained siding before even staining the deck below. Can a new stain properly applied fail so quickly? If so is there a proper protocol for stripping and restaining the siding. Beth you warned me about CWF-UV but it was already applied...help Mike, Ontario, Can. Share this post Link to post Share on other sites
