FLM380 A+B
Self-levelling screed mortars
Applications
For the reliable filling and securing of (pre)milled pipe grooves in underfloor heating and cooling systems, as well as the possible leveling of virtually all screed floor elements in preparation for the application of virtually all floor coverings. This is a light, high-quality two-component mortar, composed of FLM380 A and FLM380 B, which, after curing, produces a smooth and visually even surface. The product can be used directly as a stable substrate for all types of floor finishes suitable for the application in question. Always follow the manufacturer's application instructions.
Getting started with FLM380 A+B
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The commonly used “milling of underfloor heating”, how do you finish it and why?
- The weak underlay cannot withstand the 'compressive forces' of a heating and cooling underfloor heating pipe and will come loose more than once. A repair mortar is often applied as a finishing layer. However, experience shows that this can never guarantee the adhesion necessary for sustainable and long-term use.
- This "lidding" (which lids, what is lidding?) creates hollow spaces that prevent efficient heat transfer.
- With softer floor coverings, the filling material can come loose and become compressed due to the load on tables, chairs, etc., for example. This can result in major repair costs. It is even “forbidden” to use a repair mortar for parquet.
Do the leveling compounds need to be sanded before finishing can begin?
In principle no. If, unexpectedly, small imperfections become visible the day after leveling, you can polish the floor slightly with a mesh net.
What temperature should the subfloor be during leveling?
During processing it is necessary to keep the temperature of the subfloor, space and material between 15 °C and 25 °C. In addition, the relative 65% of the lager must be before, during and a few days after maceration!