A piece of rock, usually sedimentary, that has been split into layers. It is commonly used for paving and walkways, and is also used for fences and roofing.

Things you need to know

Different types of flagstone require different maintenance, so different types are common in different areas. For example, sandstone is cool in the summer, but can be damaged by too much water, so it is a great choice for the southwest.

Cost Considerations

Flagstone costs an average of $15 to $30 per sq. ft. Laying flagstone with the space between the stones filled with gravel can be as cheap as $10 per sq. ft., but it is not as durable or attractive as a path with the stones held together by mortar.

Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.

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