Concrete is a strong building material composed of sand, gravel, cement and water, which can be made into any shape or form and has an infinite of applications. Concrete is commonly used for sidewalks but is also ideal for walkways, driveways and patios. Concrete is also known to resist weather action, chemical attack, and abrasion. The best thing about concrete is that it is able to get textured to resemble flagstone, tile, and stone. This method is perfect for enhancing your pool deck, patio and driveway.