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    Industrial Flooring

    Armoscreed T40 polymer modified heavy duty cement floor screed by MATEX, 50 kg bag

    Armoscreed T40

    Cement Based Polymer Modified Heavy Duty Floor Screed

    ARMOSCREED T40 is a high-performance, cement-based, single-component, pre-bagged floor screed designed for leveling uneven floors with high thickness requirements. Formulated with hydraulic cement, graded aggregates, silica, fibers, and special additives, it delivers high compressive strength while maintaining excellent bonding to cementitious substrates. ARMOSCREED T40 is ideal for applications from 10 mm to 40 mm and supports a wide range of subsequent finishes including carpets, tiles, PVC sheets, rubber flooring, and epoxy coatings. Offering easy, trowelable application, it ensures strong durability for pedestrian traffic and medium load areas. Its single-component design simplifies on-site mixing while guaranteeing compatibility and reliable performance.

    Technical data:
    • Color : cement grey powder
    • Workable time : >45 minutes @ 25°C
    • Application Temperature : 5°C to 35°C
    • Service Temperature : -30°C to 90°
    • Open to foot traffic : 24 hours
    • To receive further coats and tiling : after 21 days
    • Coverage : Approx. 2.0 kg/square meter @ 1 mm thickness
    • Packaging : 50 kg bag
    Related Documents:

    How to Apply Armoscreed T40

    Armoscreed T40 is applied as a fully bonded screed, 10 to 40 mm thick, onto a wet cement-SBR slurry primer, then floated and water-cured for two days.

    1. Prepare the substrate. Concrete should have been placed for at least 28 days and be sound, clean, dry and free from loose material, efflorescence, laitance, curing compounds, dirt, oil and grease. Remove contamination or excessive laitance by grinding, captive blasting or sand blasting, and repair with a MATEX concrete repair product where needed.
    2. Prime with slurry. Prime the concrete with a cement slurry mixed at a weight ratio of 3 cement : 1 Megabond SBR Plus : 1 water, at approx. 4–6 m² per liter, using a brush, sprayer or roller.
    3. Mix. Pour 6.0 to 6.50 liters of water into a container and add the 50 kg bag, mixing with a low-speed drill mixer (200–300 rpm) and paddle, or a vessel mixer for large production, for 3 minutes until uniform and lump-free. Add no further water, and never add water once the mix starts to set.
    4. Place and compact. While the primer is still wet, apply the mix directly to the floor set out with guides, mixing enough for the area to avoid multiple casting times. Spread to the desired thickness and compact and level carefully, as Armoscreed T40 is not self-leveling.
    5. Finish. Allow the material to initially set before final touches with an aluminum float or a helicopter floating machine. Do not wet the top of the screed to smooth it with the trowel.
    6. Protect and cure. Protect the floor from direct sunlight, high winds or rain and cure for two days with clean water. Fix floor finishes such as PVC, tiles or parquet after 21 days from casting, depending on thickness, substrate humidity and weather.
    7. Clean tools. Clean tools and equipment with water before the material hardens; hardened material can only be removed mechanically.

    Summary of the method in the Armoscreed T40 Technical Data Sheet. Always follow the full TDS on site.

    Standards & Test Methods

    StandardTitleReferenced for
    EN 13813Screed material and floor screeds — Screed material — Properties and requirementsListed in the TDS
    ASTM C109Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube Specimens)Compressive strength
    ASTM C580Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer ConcretesFlexural strength
    ASTM C157Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and ConcreteShrinkage

    Standards and test methods as referenced in the Armoscreed T40 Technical Data Sheet. Values in the TDS are typical laboratory results under standard conditions.

    Frequently Asked Questions

    What thickness is Armoscreed T40 applied at?

    Armoscreed T40 is formulated to be applied from 10 mm to 40 mm thick, as a fully bonded screed.

    When can floor finishes be laid on Armoscreed T40?

    Floor finishes such as PVC, tiling or parquet should be fixed after 21 days of casting, so that no further shrinkage occurs. The screed is open to foot traffic after 24 hours.

    What is the coverage of Armoscreed T40?

    Armoscreed T40 covers approximately 2.0 kg per square meter at 1 mm thickness. Coverage is approximate and subject to site conditions.

    What compressive strength does Armoscreed T40 achieve?

    Armoscreed T40 achieves a compressive strength of > 50 N/mm² and a flexural strength of 6 N/mm² (ASTM C580), with 0.01% shrinkage (ASTM C157).

    How should Armoscreed T40 be cured?

    Cure Armoscreed T40 for a minimum of 2 days with clean water, and protect it from direct sunlight, high winds and rain.

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