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A pumpable, superior-quality Alpha Hemihydrate screed, based on calcium sulphate and selected lightweight aggregates.
SMET LiteFlo® Lightweight Flowing Screed is suitable for floors in homes, offices, public buildings and places exposed to similar loads. Suitbale for application in high-rise buildings and over timber suspended floors.
It may be applied as a levelling screed directly onto a load-bearing floor, unbonded on a separating barrier (polythene), as a floating floor, and is suited in conjunction with underfloor heating or cavity floors. However, when using LiteFlo® in combination with underfloor heating, it should be noted that LiteFlo® has a low thermal conductivity. LiteFlo® should be covered with a floor finish such as tiles, linoleum, parquet, cork, or carpet. If a cement-based adhesive or smoothing compound is required the surface of the screed must first be sealed, using an appropriate acrylic primer/ sealer.
A factory-produced, pumpable, high-quality screed material based on calcium sulphate. It’s supplied to site in pre-mixed 27kg bags or site silos. LiteFlo® is designed for application at thicknesses of between 20 and 70 mm, complies with EN 13813: 2002 and is CE marked.
Features and benefits:
Finish | Smooth |
Material | Calcium sulphate |
Uniclass | |
CAWS | M10/150 Proprietary lightweight aggregate levelling screeds M13/120 Proprietary self smoothing levelling screeds |
Product range |
Compressive strength - 28 days | C20. |
Flexural strength(28 days) | F4. |
Tensile Adhesion | >1.5 N/mm². |
Shrinkage(28 days) | <0.1%. |
Drying time | Hardening Times (Light foot traffic): After approx.12 hours; can be partially loaded after approx. 7 days. Hardening Time: Final Covering: approx. 2 – 6 weeks dependent on thickness and drying conditions on-site. |
WaterContent(Recommended) | 9-10 L per 27 kg bag. |
Reaction to fire | A1, Non-combustible. |
ThermalConductivity | <0.40 W/mK. |
Density | Fresh (wet) density: 1500 kg/m³; Hardened dry density: 1300 kg/m³.
|
pH value | >7.0. |
Thickness | Maximum Thickness: 70 mm. Minimum Thickness: Bonded: 20 mm. Unbonded: 30 mm. Domestic: 35 mm. Commercial: 40 mm. Over Underfloor heating Pipes: 25 mm (BS 8204-7). |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 1.20 kg·CO₂e/kg |
NBS BIM object standard
This BIM object has been authored to meet the requirements of the NBS BIM object standard.
Find out more about the NBS BIM object standard.
Platform | Compatible | Version |
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![]() | - | 1 |
![]() | - | 1 |
![]() | Revit 2016 | 6 |
![]() | - | 1 |
![]() | IFC2X3 | 5 |
2,000 m2 LiteFlo® Lightweight Screed floor | Hotel in Edinburgh | IFT
SMET LiteFlo® | B. Doherty Screeding | Self Build West Donegal | 280 Alpha Hemihydrate
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