| Physical Data | ||
|---|---|---|
| Appearance | Off white fluid mortar | |
| Density | Wet 2200kg/m3 | Dry 2000kg/m3 |
| Required Strength | C25 – F4 | Minimum binder content 800kg/m3 |
| Minimum Strength (28 days) | C25 – F4 | |
| Required Flow (EN 13454-2) | 230mm – 270mm | |
| Reaction to fire | Class A1fl Non Combustible | |
| Performance Data | ||
| Working Time | Place and finish within 3 hours of batching | |
| Foot Traffic | 24 to 48 hours | |
| Loading | 5 – 7 days | |
| Drying (50mm depth)[1] | At 20°C and 60% RH – 28 days | Active force drying – 13 days |
| Force Drying | Can be force dried after 7 days | |
Drying times vary dependent on screed depth, ambient conditions, and suitability of the building envelope.
[1] Independently tested and verified by Action Dry Ltd. Full report available upon request.
| Minimum Depth Requirements | ||
|---|---|---|
| Bonded | 25mm [2] | |
| Unbonded | 30mm | |
| Floating | 35mm Domestic | 40mm Commercial |
| Acoustic | 80kg @ 40mm | |
| Cover to conduits | 25mm | |
[2] Prepare the substrate in accordance with BS8204:7:2003 using a gritted two coat epoxy resin DPM or similar.
| Bay Sizes and Joint Requirements | ||
|---|---|---|
| Heated | ||
| Maximum Length | 20m | |
| Maximum Aspect Ratio | 6:1 | |
| Maximum Bay Size | 300m2 | |
| Movement joints should be placed at Door Thresholds, between independently controlled heating zones and where heated and unheated screeds meet. | ||
| Unheated | ||
| Maximum Bay Length | 40m | |
| Maximum Aspect Ratio | 8:1 | |
| Maximum Bay Size | 1000m2 | |
We deliver our aggregates to the following towns and their surrounding areas including Bedale, Boroughbridge, Bramhope, Catterick, Chapel Allerton, Darlington, Harewood, Harrogate, Helmsley, Knaresborough, Leeds, Leeming, Leyburn, Malton, Masham, Northallerton, Otley, Pateley Bridge, Pickering, Richmond, Ripon, Scarborough, Stokesley, Tadcaster, Thirsk, Wetherby and York
Want to know more about our ready mixed concrete?
To find out more, please contact our team on 01765 635536 or sales@lightwaterconcrete.co.uk. Alternatively, fill in the contact form below and we will get back to you.
Tell us how much you need for your job and we will get in touch.