Fireplace surrounds can be built with tile, stone, brick or wood. You should have a rough sketch of what your surround is to look like upon completion. You have to attach wood pieces to the wall around the fireplace, then can lay the foundation for the material you've chose for your surround. Make sure you use the right kind of screws to attach this base to the wall. You can visit
. http://www.thefreelibrary.com/Tips+on+How+to+Build+A+Fireplace+Surround-a01073836441 for more help.