 All right, next up we've got one here from Lynn in New Hampshire who's got a home with cedar siding. She says, I power washed it last year to get rid of all the things growing on it, and now I want to know what should I be putting on it this year to protect those shingles? So, good question. First of all, if you just want to protect them from UV so that the shingles themselves don't crack, you can use a clear shingles.