Description
Mapei Ultraplan Renovation Screed 3240 – Fibre-Reinforced Self-Levelling Compound
Mapei Ultraplan Renovation Screed 3240 is a fibre-reinforced, self-levelling smoothing compound developed for refurbishing and levelling existing internal floors. It can be applied to concrete, screeds, stone, terrazzo, ceramic tiles and suitable timber substrates, providing a smooth surface ready to receive new floor coverings.
Suitable for application in thicknesses from 3mm to 40mm in a single coat, Ultraplan Renovation Screed 3240 can be applied by hand or pump. It is suitable for renovation projects where a level floor is required, including applications involving underfloor heating and electric under-tile heating cables.
Key Features and Benefits
- Fibre-reinforced formulation: Designed for renovation and refurbishment of existing floors.
- Self-levelling: Helps produce a smooth, level surface ready for floor coverings.
- 3mm to 40mm application: Can be applied in a single coat within this thickness range.
- Hand or pump applied: Suitable for different application requirements.
- Multiple substrate compatibility: Suitable for concrete, screeds, stone, terrazzo, ceramic tiles and prepared timber substrates.
- Underfloor heating compatible: Suitable for underfloor and under-tile heating systems.
- Low emissions: EMICODE EC1 Plus classification.
- Interior use: Designed for internal floor levelling applications.
Suitable Substrates and Applications
- New and existing concrete floors.
- Cementitious screeds.
- Stone and terrazzo surfaces.
- Existing ceramic tile floors.
- Old and new timber floors and floorboards.
- Chipboard panels and suitable plywood in dry locations.
- Floor renovation projects involving underfloor or under-tile heating systems.
Timber substrates must be clean, sound and securely fixed. Plywood used as an underlayment must be a minimum P5 grade and located in dry conditions. Suitable substrate preparation and priming are required before application.
Mixing and Application
Pour a 25kg bag into a container holding 4.25–4.5 litres of clean water. Mix using a low-speed electric mixer until a smooth, lump-free consistency is achieved. Allow the mixture to stand for 2–3 minutes, then remix before application.
Apply in a single coat between 3mm and 40mm thick. The mixed product must be used within approximately 20 minutes at +23°C. A spiked roller may be used to help minimise air entrapment.
The substrate must be solid, clean and free from dust, loose particles, paint, oil, gypsum residues and other contaminants that could affect adhesion. Mapei specifies suitable primers, including Eco Prim Grip Plus or Eco Prim T Plus, depending on the substrate. Always follow the current manufacturer's instructions for preparation and priming.
Technical Information
| Product | Ultraplan Renovation Screed 3240 |
| Product type | Fibre-reinforced self-levelling smoothing compound |
| Colour | Grey |
| Application thickness | 3–40mm in a single coat |
| Mixing ratio | 4.25–4.5 litres of water per 25kg bag |
| Working time | Approximately 20 minutes at +23°C |
| Setting time | Approximately 40–90 minutes |
| Walkable | Approximately 3–12 hours |
| Waiting time before ceramic tiles | Approximately 3–12 hours |
| Waiting time before resilient and wood flooring | Approximately 24–72 hours |
| Application temperature | +5°C to +30°C |
| Coverage | Approximately 6m² per 25kg bag at 3mm thickness |
| Packaging | 25kg bag |
| Storage | 12 months in original unopened packaging, stored in a dry place |
| Emissions classification | EMICODE EC1 Plus |
Frequently Asked Questions
What thickness can Ultraplan Renovation Screed 3240 be applied at?
It can be applied in a single coat at thicknesses from 3mm to 40mm.
How much water is required for a 25kg bag?
Use 4.25–4.5 litres of clean water per 25kg bag. Mix with a low-speed electric mixer and follow the manufacturer's mixing instructions.
How much area does one bag cover?
One 25kg bag covers approximately 6m² at 3mm thickness. Coverage will vary depending on the application thickness and substrate condition.
How long before the floor can be walked on?
Mapei gives a walkability time of approximately 3–12 hours at +23°C and 50% relative humidity. Actual times depend on site conditions and application thickness.
Can it be used over existing tiles?
Yes. It can be used over suitable existing ceramic tile surfaces, provided they are sound, properly prepared and primed in accordance with Mapei's instructions.
Is Ultraplan Renovation Screed 3240 suitable for timber floors?
Yes. It can be used over suitable old and new timber floors, floorboards, chipboard panels and plywood. Timber must be securely fixed and correctly prepared. Plywood used as an underlayment must be minimum P5 grade and in dry locations.
Can it be used with underfloor heating?
Yes. Mapei identifies Ultraplan Renovation Screed 3240 as suitable for underfloor and under-tile heating systems, including encapsulating electric under-tile heating cables.
Product Downloads
Important: Clever Shield supplies products and does not design or specify flooring systems. Always check substrate suitability, preparation, priming and installation requirements against the latest manufacturer's technical documentation.
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