Tried to research where I saw this. Looks like it was not there. Only 20% in USA overall. Maybe it was more for remodels, which I do. Reading too much and getting to old to remember all of this. But, seems like every article I just reviewed agrees that composites are quickly catching on due to one factor... less maintenance, which is what the original post was looking for. sales last year where up 198% and average growth rate is 20% a year.