DIY Network

Building the Wall Building the Wall From "Hardscapes" episode DHSC-103

Building up the stone wall isn't difficult -- the key to a great finished result is applying the mortar neatly and evenly....

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	Figure A
	Figure B
	Figure C

• Looking at the back side of the stones, you'll see a lip. This lip is here so you know exactly how far the stones will need to slide forward onto the row beneath. Each additional row of stones should be staggered so that the joint of two stones is covered by the center of the stone above. Remember to push the stone forward until the lip catches. Backfill the wall with soil as you add courses (figure A).

• Some walls require mortar. What we have here is the same starting point that we had with the mortarless wall. The first step is to prepare the mortar.

• We're using a quick-set mortar with this wall and have followed the manufacturer's instructions for its preparation. Be sure to wear gloves and eye protection when working with any kind of mortar product.

• Distribute an even layer of mortar to the prepared base for the wall (figure B). When you apply the first run of stones, tap them down to get them set into the mortar.

• Use a level to make sure this first run is level, front to back and side to side.

• The key to building a wall using mortar is when you apply the mortar it needs to go evenly onto the run of stones that are set. After spreading the mortar, but before laying the next stone, use the trowel edge to cut the mortar even with wall face (figure C). This prevents mortar from running down face of wall.

• Butter the ends of the stone. Try matching the width of mortar that was laid down on top of the previous row to maintain an even and clean feel.

• Tap the stones with the butt end of the trowel into a tight fit on the wall. Throughout you should be checking for level, both vertically and horizontally.

• When the wall is done and the mortar is set but not hard, tool the mortar for a clean look. Capstones can be added once the wall is done and the mortar is dry.