Sealers play an important role in the care and maintenance of natural stone, tile, and grout. Though solid these surfaces need a little help in order to protect against water and weather and on some cases just improve their look. I’m not an expert but based on my research and experience I believe I can help newbies with some guidance and tips.
You do need to seal grout
First, let’s remove the question from the table: You do need to seal grout. As it is a mix of sand and cement it really needs some help stop absorbing water and other liquids. Not only that you need to waterproof it you want to do it every one or two years.