You will need some mortar to create a solid foundation for your wall but we ll cover that later.
Building dry stack block wall.
Once the first course is set dry stack the remaining block in a running bond pattern to the desired height all corners should use an interlocking pattern.
Throughout the block stacking phase and at the completion check that the wall has remained level.
Suggested limits on wall or building height are given in table 1.
A dry stack wall is a block wall that doesn t need mortar to hold it together.
Dry stack walls are best used when building a dividing wall or any wall that will not contain doors or windows like a retaining wall or wall around a trash can or ac unit.
Before applying the surface bonding cement dampen the surface of the block.
2 3 and 4 have shown that the strength of dry stack walls exceeds the strength requirements of conventional masonry and thus the recommended allowable stress design practices of the code can be used in most cases.
Step 7 thoroughly dampen the block wall with water dry block will draw the water from the mix making it difficult to finish and can cause inconsistent color and cracking especially in.
Simplicity and strength are the key ingredients to a successful home owner builder.
Remember to stack the blocks so that the vertical joints stager.