M415 · Self-levelling compounds
M415 Rapid Backfill
Lightweight rapid backfill for underfloor heating and general levelling, up to 50 mm in one pass, with low shrinkage and good crack resistance.
Key features
- Up to 50 mm in a single application
- Low shrinkage, high crack resistance
- Good flow, fast to place
- Low-alkali, insulation-friendly formulation
Technical data
| Thickness | Up to 50 mm |
|---|---|
| Use | Underfloor heating backfill, levelling |
| Packaging | 25 kg paper sack |
Product data as published by the manufacturer — confirm current values before specification.
Application & installation
Typical use
Backfilling heating pipes and levelling in the same operation, keeping weight on the structure low.
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M415 Rapid Backfill
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