Mapei Topcem Pronto - Pre-Blended Fast-Setting Screed Mortar

£23.70

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Mapei Topcem Pronto is a pre-blended, fast-setting screed mortar ready for ceramic tiles in 24 hours and wood floors in 4 days. Supplied in 25kg bags, it requires only water and eliminates on-site batching. Ideal for bonded or floating screeds with high strength and low shrinkage.

Size

25Kg

Product variants

Delivery and Shipping

Place your order before 3pm for next working day delivery.

Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.

Description

Mapei Topcem Pronto

Pre-Blended Fast-Setting Screed Mortar Ready for Flooring in 24 Hours

Mapei Topcem Pronto is a ready-to-use, pre-blended, fast-setting and drying screed mortar that simplifies site work and guarantees consistent performance. It is ideal for the formation of bonded, unbonded, and floating screeds where fast turnaround is critical. Supplied in 25kg bags, Topcem Pronto eliminates the need for on-site mixing of aggregates, ensuring high mechanical strength, minimal shrinkage, and screeds ready to receive ceramic tiles after 24 hours and resilient or wood flooring after 4 days.

Key Features & Benefits

Ready-to-Use: Pre-blended with carefully selected graded aggregates – just add water.
Fast Drying: Accepts ceramic tiles after 24 hours and wood or resilient flooring after 4 days.
Shrinkage-Compensated: Reduces the risk of cracking and curling during curing.
High Strength: Delivers excellent compressive and flexural strength for commercial and industrial use.
Consistent Performance: Factory-controlled mix ensures reliable quality from bag to bag.

Product Details

Type: Ready-mixed hydraulic screed mortar
Form: Pre-blended powder with graded aggregates
Packaging: 25kg bags
Working Time: Approx. 40–60 minutes at 20°C
Foot Traffic: After 12 hours
Flooring Installation: Tiles: 24 hours, Wood/Resilient: 4 days
Thickness Range: 35mm (bonded) to ≥60mm (floating)
SKU: TOPCEMPR25

Application Instructions

Substrate Prep: Substrate must be clean, stable, and free from contaminants. Prime bonded applications with Mapei Eco Prim T Plus or similar.
Mixing: Add 1.7–1.9L of clean water per 25kg bag. Mix using a forced-action mixer or paddle until uniform.
Apply Screed: Place and level using standard screeding tools. Compact to ensure density and uniformity.
Curing: Protect from rapid drying and extreme temperatures during initial set.
Flooring: Ensure surface is dry and tested before installing moisture-sensitive floor finishes.

Limitations

Do not mix with additional aggregates or binders.
Not suitable for application under 35mm thickness unless fully bonded.
Do not apply below +5°C or in conditions of excessive humidity.

Health & Safety

Contains cement – wear gloves, goggles, and a dust mask. Avoid skin and eye contact. Refer to the Safety Data Sheet (SDS) for full handling and safety guidance.