Mapei Topcem Pronto | Rapid Drying Ready-Mixed Screed Mortar
Rapid Drying Ready-Mixed Screed Mortar for Heated Floors & Fast-Track Flooring Installations
Mapei Topcem Pronto is a pre-blended, ready-to-use screed mortar designed for fast-drying bonded and unbonded screeds in both interior and exterior flooring applications. Engineered with high thermal conductivity and controlled shrinkage, Topcem Pronto is ideal for projects requiring rapid flooring installation and high-performance screed systems.
Suitable for wood, vinyl, PVC, linoleum, ceramic tile, natural stone, carpet, and resilient flooring systems, Topcem Pronto significantly reduces drying times compared to traditional sand/cement screeds.
Its high thermal conductivity makes it particularly suitable for heated screed systems and underfloor heating applications.
Topcem Pronto is supplied pre-blended for consistent quality and simplified site installation, helping reduce on-site mixing errors and improve installation reliability.
Key Features
- Ready-to-use screed mortar
- Rapid drying formulation
- High thermal conductivity
- Ideal for heated screeds
- Controlled shrinkage technology
- High mechanical strength
- Suitable for bonded and unbonded screeds
- Suitable for interior and exterior use
- Fast-track flooring installation support
- Professional-grade screed system
Recommended Applications
Mapei Topcem Pronto is suitable for:
- Heated screeds
- Underfloor heating systems
- Fast-track flooring installations
- Bonded screeds
- Unbonded screeds
- Residential flooring systems
- Commercial flooring projects
- Vinyl flooring preparation
- LVT flooring preparation
- Ceramic tile installations
- Natural stone flooring
- Carpet flooring systems
- Screed repairs and refurbishment projects
Suitable for projects where:
- Fast drying times are required
- Flooring must be installed quickly
- High thermal conductivity is needed
- Consistent screed quality is critical
Product Specifications
- Product Name: Mapei Topcem Pronto
- Product Type: Ready-Mixed Rapid Drying Screed Mortar
- Consistency: Powder
- Colour: Grey
- Pack Size: 25kg
- Application Area: Interior & Exterior
Application Thickness:
- Bonded Screeds: 10mm – 40mm
- Unbonded Screeds: 35mm – 60mm
- Application Temperature: +5°C to +35°C
- Workability Time: Approx. 60 Minutes
- Set to Light Foot Traffic: Approx. 12 Hours
- Ready for Ceramic Tiles: Approx. 24 Hours
- Ready for Natural Stone: Approx. 2 Days
- Ready for Wood & Resilient Flooring: Approx. 4 Days
Thermal Conductivity:
λ = 2.008 W/mK
Classification:
CT-C30-F6-A1FL according to EN 13813
VOC Rating:
EC1 Plus – Very Low Emission
Coverage Information
Approximate consumption:
18 – 20kg per m² per cm of thickness depending on compaction.
Coverage may vary depending on substrate condition, screed thickness, and installation method.
Installation Overview
- Substrates must be structurally sound and protected against rising damp prior to installation.
- Mix one 25kg bag of Topcem Pronto with approximately 1.7 litres of clean water for at least 5 minutes until a semi-dry screed consistency is achieved.
- Apply and compact thoroughly to achieve a dense and smooth screed surface.
Topcem Pronto may be installed using:
- Rotating mixers
- Conventional site mixers
- Centrifugal mixers
- Automatic pressure pumps
Professional installation is recommended for commercial flooring systems and heated screed applications.
Why Choose Mapei Topcem Pronto?
Mapei is globally recognised for professional flooring preparation and installation systems trusted across commercial, residential, healthcare, retail, and hospitality projects worldwide.
Topcem Pronto provides:
- Faster flooring installation turnaround
- Reliable screed consistency
- High thermal conductivity performance
- Reduced drying times
- Professional-grade mechanical strength
- Compatibility with modern flooring systems
Ideal for flooring contractors, underfloor heating projects, commercial fit-outs, residential developments, and fast-track construction environments.