Pool plaster delamination occurs when there is a bond failure between the gunite and plaster that covers it.
What is pool plaster.
If you take a little.
The pool builders apply the plaster to the concrete pool structure using a flat round edged trowel see image below.
It is commonly white in color and its functions include adding a watertight seal and creating a smooth surface on the pool floor.
This failure creates an air cavity.
Marcite or conventional white plaster provides a classic smooth appearance.
This blog will have several segments that get into the gritty details of how etching happens and what you can do about it.
Pool plaster is nothing more than a kind of concrete that is a mix of portland cement aggregate and additives.
Although usually white plaster can be dyed different colors.
In and of itself having a void in your pool is not problematic.
Types of pool plaster.
It s a mixture of portland cement water and silica sand dust.
Pool plaster is a waterproof shell that protects the concrete interior of the pool from the water to increase the pool s longevity prevent erosion and stop leaks.
Plaster naturally suffers from delamination over time however imperfections during construction can cause fine cracks in weak areas.
While the aggregate in common concrete.
Typically plaster comprises some combination of these five chemicals.
Pool plaster is a form a cement that is designed to withstand water for extremely long periods of times and while your pool is probably not leaking the etching is a very difficult problem to navigate.
Pool plaster is applied as the final coating for most pools.
The layer of plaster is normally 1 4 inch to 1 2 inch thick.
This bond failure creates an air cavity or a void.
Plasterers can add color additives to produce any shade of plaster or use quartz glass or ceramic aggregate to add flecks of specific hues.
Making it an essential step for any pool build.
You might not even realize you have bond failure if the void doesn t reach the plaster s surface.
Despite what the contractor s salesmen want you to believe it is not a mysterious material containing diamonds or secret ingredients.
White is most common but it can be tinted to other.
Aesthetically pool plaster gives the swimming pool its finished look.
Pool plaster delamination occurs when there is a bond failure between the gunite and plaster of a pool.
Plaster is a mix of white cement white sand or marble aggregate and water.