Almost any mildewicide will do the trick. Grout sealants all seem to work but I would go specifically to a tile shop to see what they recommend. I think most sealers will work but application and pr ... read more
In a word...yes.
As Katie mentioned, you need an appropriate length fastener and a cap nail is ideal.
What you haven't mentioned is what the wall depth is as well as climate. If you have 2x6 walls, 1 ... read more