Hi, We live in Manitoba, Canada. Lots of cold, snow, icy, wet weather. We've installed porcelain tiles on our front steps and now we have to find something to make them safe as they are very slippery when wet. We cannot seem to find anything that will stick to them. Can anyone offer ideas? We've tried the No Skidding clear product that you paint on and add grit but it all peeled off last winter.