- For Ashford Formula: If used for food, often greasy, if the use of caustic soda (alkaline) as a cleaning agent, the floor has chemical corrosion or not, and the color has been change it?
- for Mel Rol: + There are fire resistant or not, because for works near the staircase is still taking fire resistant for at least about 1 hour, if no basement waterproofing withstand 1h considered as broken?
+ with canteen, water at 100 degrees C, will occur heat transfer, so Mel Rol has not been flowing, then the thickness of Mel Rol would not be guaranteed as original anymore?
+ with of concrete in a moist environment, it is not work progresses? Customers told that there would be no absolute dry environment.
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