Floor Screeds
Products
ARDEX A 38
Ultra Rapid Drying Cement for Internal & External Screeds
- Walkable in 3 hours
- Fix ceramic and natural stone tiles after 4 hours
- For internal and external use
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Information
ARDEX A 38 produces ultra-rapid drying floor screeds which can be walked on after just 3 hours, and have floorcoverings installed in as little as 4 hours, regardless of thickness.
Use ARDEX A 38 for bonded, unbonded and floating screeds in internal and external locations, including wet areas such as swimming pools.
- Walk on after 3 hours
- Receives ceramic and natural stone tiles directly after only 4 hours
- Install carpet, wood and vinyl floorcoverings after 48 hours
- Maintains a working time of 1 hour
- Passes BRE Screed (ISCR) Testing after 6 hours
- After just one day, achieves the acceptable minimum compressive and tensile bending strengths attained by an ordinary cement screed after 28 days
- For internal and external use, including wet and submerged areas
Unit Size Available: 25kg
Coverage: Approximately 3.2m2 at 25mm thick per 25kg unit
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Technical Data
THICKNESS
Bonded
15-40mmUnbonded
50mm+Floating Domestic
65mm+Floating Commercial
75mm+Working time at 20°C
approx. 1 hourWalkability at 20°C
approx. 3 hoursConsumption per m²/mm
0.31kgTypical Mix Ratio (Cement:Sand)
1:5COMPRESSIVE STRENGTH USING 0-8MM GRADED AGGREGATE
After 1 day 25.0 N/mm²
After 7 days 40.0 N/mm²
After 28 days 45.0 N/mm²TENSILE BENDING STRENGTH (1:5)
After 1 day 4.0 N/mm²
After 7 days 4.5 N/mm²
After 28 days 5.5 N/mm²BRE SCREED TEST
Normally after 6 hoursMOISTURE TESTING
The Speedy Moisture Tester (Carbide Method) must be used to test moisture. Please consult ARDEX Technical Services for further advice.British Standard Codes of Practice
BS 8204: Part 1. In situ Floorings – Bases and Screeds.
BS 5385: Part 3. Appendix C. Ceramic Floor Tiling and Mosaics.
BS 8000: Part 9. Code of Practice for cement/sand floor screeds and concrete floor toppings (Workmanship on building sites).Embodied carbon
(A1-A3 production stage as defined in BS EN 15804)
0.49 kg CO₂ eq/kg - Downloads
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BIM Download
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FAQ
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Enquiry
Consumption Calculator Ultra Rapid Drying Cement for Internal & External Screeds
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The calculator below will tell you how large an area a unit of the selected grout will cover, based on the dimensions that you supply. Simply enter the required figures in the boxes below and view the results in the results box. All tile and joint dimensions are rounded up to the nearest number (no decimal points).
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Projects Ultra Rapid Drying Cement for Internal & External Screeds
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Rose Terrace, Newmarket Racecourse
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Franklin Sixth Form College, Lincolnshire
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Butlins Bognor Regis Pool Complex
ARDEX tried & tested systems used in state-of-the-art rebuild
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St Andrew Holborn
Christopher Wren Church receives new stone floor with ARDEX products
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Where Old Meets New at Thames Lido
40 years after closing, ARDEX products were used to modernise the pool facilities whilst ensuring the project retained its original character
Projects
We are proud of our amazing projects
ARDEX UK have been at the forefront of the tiling and flooring industries for over 50 years. ARDEX continue to offer unbeatable quality and cost effective solutions for building projects covering all sectors of business and commerce, such as retail outlets, leisure centres, health authorities, transport premises, art and educational institutions.