![]() ![]() Pack concrete around the bolt and smooth around it with your trowel. You will want to use the longest bolts that you can find and ensure that they extend 3 inches above the stem wall to make room for your sill plate and the washer and nut that goes on above it. Pack the concrete in with your spade and then smooth the top of it off with the trowel. The concrete should be chunky heaps as you fill the spaces and not runny. Take your concrete mixture and scoop it into the voids of the wall. ![]() You want your concrete to be a heavy wet batter. Mix your concrete per the instructions on the bag for the proper consistency. This will give you excellent stability for your wall. You will need a rod for every void in the block. You want the rod to be this long so that you can pound it down through your foundation. Step 4 - RebarĬut the 3/8 inch rod for your wall with the bolt cutters 12 inches longer than the height of your wall. Also, the gravel will keep out any growth and roots away from the wall structure. When a lot of fill dirt is required, stem walls level everything out, achieving an even elevation. Once the footer is poured, cement blocks are laid, creating a wall that will rise up to the finished slab elevation. ![]() This is why it’s okay to work with unlevel ground in a stem wall fooundation. This procedure will help in planting the wall and keep it dry. First, a footer is poured at the ground level. Step 3 - Gravelīackfill the bottom row of your wall with gravel on the inside and outside. However, each row above it will be relatively easy. The bottom row is the hardest part of constructing the wall. Use the rubber mallet to pound the blocks into position. If your foundation is a stone or gravel mix, ensure that the foundation is tamped well. Run the bottom row of blocks until they go completely below the grade. You may now begin to lay your blocks at the lowest elevation of your foundation. The outside of the wall will be flush with the lines Step 2 - Lay the Bottom Row of Blocks The masonry lines will be used as guides. Attach the lines to the cross member and when they are where you need them, hammer a nail in and wrap the masonry line around it to hold it in place. Set up the batter boards at the corners and run the masonry lines between them along the perimeter of your wall. ![]()
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