Laying Brick Wall On Concrete
I would like to comment on the february 1992 question and answer p.
Laying brick wall on concrete. After scoring the lines hold the chisel on one of them slightly angled toward the side of the brick that will be kept and used on the wall. Use a finishing trowel to make sure the top of the concrete is smooth and level before it starts drying. Laying bricks over concrete is the only way to make a mortared brick wall structurally sound. It need not be soaked but a thin layer of water helps the mortar cure properly.
The art of laying bricks is a good skill to learn if you want to take your d i y. Check your work periodically with a. Float surface of the scratch coat plumb and true and allow to set until firm. Once the entire structure is complete keep the joints moist for 2 or 3 days afterward.
Before you lay your first brick you ll need to build a level concrete foundation to support your wall known as a footing. Lay a course of bricks in a bed of mortar next to the house aligning it with a string to level it lengthwise on the porch. Lay an outer band of brick pavers called a soldier course in a bed of mortar perpendicular to the porch aligning it with a string to make sure the course is level. Apply the scratch coat of mortar on top of the wire lath masonry or concrete.
136 regarding the timing for laying masonry units on a concrete footing. The practice of laying masonry units on a fresh plastic concrete footing is commonly called wet setting or first coursing. To the next level. Apply the setting coat with the straight edge of the trowel and then the notched edge of the trowel should be used to groove the coat just prior to installation of the thin brick.
Use a hammer to tap the end of the chisel scoring lines on all four sides where the brick must be cut. Pour a concrete foundation if you do not have an existing slab brick ledge or footing to work on. Typically a small garden wall will need a concrete footing around 150mm deep by 350mm wide. Pick up a brick in one of the soldier rows and apply four penny size dots of masonry adhesive to the bottom side of.
The size of the footing depends entirely on the size of the wall you re building and the surrounding soil. With your other hand strike the handle of the chisel with a hammer. This video from bunnings warehouse will show you what s. This must be level and below the grade of the finished ground so that the brick is all you see when your wall is finished.