Limestone is a perfect hardscaping material, it’s both universal and timeless. What are the pros and cons? The advantages are that it’s time tested, aesthetically versatile – there are many colors available, can be repeated in other architectural elements and has good insulating properties. The disadvantages are that it’s expensive, as compared to bluestone, concrete or sandstone, vulnerable to acid and heavy. One of the good things about a limestone patio is that it does not need to be sealed. It can be cleaned with water or water mixed with an alkaline cleaner such as bleach or ammonia. Look at all the pros and cons and decide if you need some limestone for your garden décor or not.