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Options for Covering Your Home Addition With Stone

By Angela Baca

When you plan an addition to your home, an exterior covering of stone is an attractive choice. This article offers descriptions of eight stone claddings from which to choose.

You can cover all exterior walls with stone, or just certain sections. Adding stone to your home constitutes a decision to pay a bit more for quality masonry. The end result is a beautiful, classy exterior for the home addition.

One problem you may encounter with any home addition is matching an existing pattern for wood, brick, stone, vinyl, or another material. In the case of stone, you can ask a stone mason to build a mockup panel of the stonework that he or she plans for the addition. If you compare the panel to your existing stonework, you can decide if it is worth the full cost of new stonework. If the cost is too high, choose another covering like wood, brick, or stucco.

1. Coursed ashlar with a smooth face. This ashlar is set by the mason to fit continuous horizontal joints. The stones have smooth faces for a sleek look. Coursed stone refers to pieces that are roughly the same height. Therefore, the pieces are easily arranged in rows.

2. Cobblestone. These stones have naturally round edges. The exterior sides of these stones are relatively smooth. Cobblestone gives home exteriors a historic look. You might get lucky and match the color of existing cobblestone work on your home.

3. Coursed ashlar with a rock face. This ashlar is also set by the mason to fit continuous horizontal joints, but the faces of the stones are more natural looking, with rougher, textured faces.

4. Uncoursed ashlar. These ashlar pieces are irregular enough that they won't fit into horizontal joints. However, the exterior edges are smooth, and the shapes are trimmed enough to look like variations of geometric shapes like squares, rectangles, and triangles.

5. Coursed rubble. This stone consists of randomly sized pieces that are roughly dressed. One difference between coursed ashlar and coursed rubble is that the rubble pieces are irregular. Rubble pieces do not fit neatly into rows (because the stones don't have the same height).

6. Puzzle rubble. These pieces are generally larger, irregular pieces. A major difference between the random rubble look and the puzzle rubble look is that random rubble includes a lot of smaller pieces (tiny stones) that are used to fill in blank spaces between medium and larger pieces. Puzzle rubble looks more consistent in finish.

7. Random rubble. These randomly-shaped pieces have at least one flat surface. These stones may be somewhat trimmed or squared. Random rubble includes large, medium, small, and tiny pieces for a great varied look. 

8. Random ashlar. This type of ashlar cannot be set by the mason with either continuous horizontal joints or continuous vertical joints. Pieces are irregular in size and shape.

When you consult with a mason to design the cladding for your home addition, you can discuss the stone finishes described above as well as other finishes. You can request estimates for the different looks and a general price for the minimum work to cover the new walls with stone. Stone is a great way to add visual appeal to your home addition.