Mapei Topcem Pronto Rapid Drying Screed Mortar 25kg
Mapei Topcem Pronto Rapid Drying Screed Mortar 25kg
Mapei Topcem Pronto is a pre-blended rapid drying screed mortar for bonded, unbonded and floating screeds. Ready for ceramic tiles in 24 hours and fully dry in 4 days. Classified CT-C30-F6 to EN 13813.
- Trade Quality
- Professional Use
Tree Sisters
Building A Band of Brothers
Product Description
Mapei Topcem Pronto is a factory-blended, ready-to-use rapid-drying screed mortar. Pre-mixed with selected aggregates and Topcem binder, it delivers consistent quality without on-site batching. It achieves a residual moisture content suitable for floor coverings in approximately 24 hours, making it ideal for fast-track projects where traditional screeds would cause programme delays.
Key Benefits
Application
Empty the bag contents into a forced-action mixer and add approximately 2.5–3.0 litres of water per 25 kg bag. Mix for 2–3 minutes until a uniform, semi-dry earth consistency is achieved. Lay onto the prepared substrate and compact firmly using a tamper or roller. Level with a straightedge and finish with a float or power trowel. Apply at temperatures between +5°C and +35°C. Minimum depth 30 mm unbonded, 20 mm bonded.
Coverage
Approximately 20 kg/m² per 10 mm thickness. One 25 kg bag covers approximately 1.25 m² at 10 mm or 0.25 m² at 50 mm depth.

£32.07
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Working with our supply chain
For each and every project we work on, we ensure that materials are sourced as close to the site address as possible and attempt to arrange deliveries during off-peak times to minimise congestion on our roads.
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Supporting A Band of Brothers UK
We are proud to support A Band of Brothers UK, a charity helping young men break cycles of violence and crime through mentoring. Every order you place with Screedworks contributes to this vital cause through our easyfundraising partnership.
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Restore & Protect
From January 2021 we are asking our clients to round up their final invoice to the nearest £5, £10 or £20. We will match the amount pledged and then donate the total to Tree Sisters.
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