Yes! If you have a gas or electrical fireplace, the product can be installed up to the opening.
NextStone products are designated as nonflammable.
If you have a wood burning, open hearth fireplace, the product must be installed with a set-back maintained ast least the distance recommended for wood products. All manufacturers differentiate this in the use of products in their installation guidelines. Check with the manufacturer of your fireplace. For a free standing wood burning stove, it is recommended to have NextStone installed at least 24" inches away.