What is an Evaporation Control ? - Is your shower's flood test leaking or not?

[JohnfrWhipple]

johnfrwhipple submitted a new resource:

What is an Evaporation Control ? - Is your shower's flood test leaking or not? - The only way to measure evaporation in your shower's flood test is with an Evaporation Control.

A simple site build rig that measures the rate of evaporation. Some pointers to help you set this right.

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The coin shows the key step to the evaporation control. It is measuring the water level in this shower flood test.

Anything can help set the control. A baking dish, an old tool box - something water tight. I like to tip the stack of coins the same way in the evaporation control...​

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[JohnfrWhipple]

The tipped coin technique.

Using a tip coin was my way of breaking the surface tension water has. The coin is tipped so the water rests across the center of it. A simple set to measure the water level very precisely.

 

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[JohnfrWhipple]

It is important when working with Kerdi, Kerdi DS, Hydro Ban Sheet membrane, NobleSeal CIS or TS to plan on capillary breaks.

You can see the use of Ardex 8+9 here in this photo as a capillary break. Had I followed Schluter's install methods for this low curb shower we would have had water wicking up and over the curb giving use a false read.