Description
Mapei Ultraplan Renovation Screed 3240 is a high-performance, fibre-reinforced self-levelling smoothing compound designed specifically for renovating and levelling existing floor substrates with minimal preparation. Its advanced formula allows application over old adhesive residues, worn screeds and uneven surfaces, saving time on preparation before the installation of new floor coverings.
Key Benefits
- Single-coat application from 3mm to 40mm thickness
- Fibre-reinforced for added strength and crack resistance
- Suitable over existing adhesive residues, worn screeds and uneven substrates
- Minimal surface preparation required — ideal for renovation projects
- Compatible with underfloor and undertile heating systems
- Good resistance to loads, including castor wheel traffic
- Walkable in 3–12 hours, ready for floor coverings in 24–72 hours
- Can be hand or pump applied for fast progress on site
Applications
Used by professional tilers, bathroom fitters, wetroom installers and builders for interior levelling, smoothing and infilling of differences in thickness on new or existing concrete, screeds, stone, terrazzo and ceramic tiles, timber floors, floorboards, chipboard panels and plywood (minimum P5 grade). Provides a stable underlayment ahead of tile, stone, vinyl, carpet and wood flooring finishes in commercial and domestic renovation projects.
Technical Specifications
- Pack size: 25kg bag
- Application depth: 3mm to 40mm in a single coat
- Mixing ratio: 4.25–4.5 litres of water per 25kg bag
- Coverage: approx. 6m² per bag at 3mm thickness
- Open time: 20 minutes
- Setting time: 40–90 minutes
- Walkable: 3–12 hours
- Ready for tiling: 3–12 hours; resilient and wood floors 24–72 hours
- Application temperature: +5°C to +30°C (min +10°C subfloor)
- Colour: Grey
- Compressive strength (28 days): 28 N/mm²
- Flexural strength (28 days): 5.5 N/mm²
- EMICODE: EC1 Plus – very low emission
- Shelf life: 12 months in original unopened packaging, stored dry
What's Included
- 1 x 25kg bag of Mapei Ultraplan Renovation Screed 3240
Frequently Asked Questions
What thickness can Ultraplan Renovation Screed 3240 be applied at?
It can be applied in a single coat from 3mm up to 40mm, making it suitable for both minor levelling and deeper infills.
Is it suitable for underfloor heating?
Yes. It is compatible with underfloor and undertile heating systems once the system has been commissioned per the heating manufacturer's guidance.
Can it be used over old tiles or timber floors?
Yes. It's designed for renovation work and can be applied over existing concrete, screeds, ceramic tiles, timber floors, floorboards, chipboard and plywood (minimum P5 grade) once correctly primed.
Does the substrate need priming first?
Yes, the substrate should be primed with an appropriate primer such as Eco Prim Grip Plus or Eco Prim T Plus before application.
How long before I can tile or lay flooring?
The area is walkable after 3–12 hours. Ceramic tiles can typically follow after 3–12 hours, while resilient and wood floors require 24–72 hours, depending on thickness and site conditions.
Is this suitable for DIY use or trade only?
It's for professional use and is widely used by trade tilers and bathroom fitters, though competent DIY users comfortable with self-levelling compounds can also use it.
Millcot supplies trade professionals with the products they trust, backed by full product support from our team.
Download the Mapei Ultraplan Renovation Screed 3240 Technical Datasheet (PDF)

