This can be fantastic if you just need a place for your grill and a spot to enjoy the sun. But if you're looking for inexpensive ways to cover a concrete patio — not to mention add a little more ...

Algae, as well as moss, can build up on patios, concrete and other surfaces in shady areas that don’t get a lot of sunlight (for example, my patio in winter). Porous surfaces, like sandstone and ...