CASEA Südanit 280 Alpha Hemihydrate Screed
Verified by manufacturer 4 months ago
CA-C16-F4
CA-C16-F4
EPD
Certificate type
A pumpable high-quality calcium sulfate screed for application at thicknesses between 20-90 mm.
Application
Südanit 280 Alpha Hemihydrate Screed is suitable for floors in homes, offices, public buildings, and places exposed to similar loads.
Südanit 280 Alpha Hemihydrate Screed may be applied as a levelling screed directly onto a load-bearing floor, unbonded on a separating barrier (polythene), or as a floating floor, and is particularly suited in conjunction with underfloor heating or cavity floors. Südanit 280 Alpha Hemihydrate Screed 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.
Related Downloads
- TDS CASEA Sudanit 280 Binder
- TDS SMET_Tiling Onto Calcium Sulphate Floor Screed_System I
- TDS SMET_Tiling Onto Calcium Sulphate Floor Screed_System II
- Sudanit 280 Alpha Hemihydrate Floor Screed – UFH Commissioning – Floor Screed Drying Schedule
- EPD – CASEA Calcium Sulphate Flowing Screed
- SMET Floor Screeds and Compounds Product Selector
Description
Südanit 280 Alpha Hemihydrate Screed is a pumpable, high-quality screed material based on calcium sulfate. It is supplied using a pre-blended compound and is mixed on site with a special blend of approved aggregates to EN 13813: 2002. It is designed for application at thicknesses of 20–90 mm. Südanit 280 Alpha Hemi Hydrate Binder complies with EN 13454-1: 2004 and is CE marked.
Features and benefits:
- Smooth laitance free finish.
- Pumpable.
- Underfloor heating – full encapsulation.
- Suitable for underlayment in wet areas.
- Reduced drying times.
- CE marked.
- BS EN 13454-1/ EN 13813: 2002.
General information
Finish | Smooth Guidance for specification option: Laitance free. |
Material | Calcium sulphate Guidance for specification option: based screed |
Uniclass | |
CAWS | M13/10 Proprietary trowelled levelling screeds M13/120 Proprietary self smoothing levelling screeds |
Product range |
Specification data - Ready-mixed self-smoothing calcium sulfate screeds
Compressive strength - 28 days | 16 N/mm². |
Flexural strength | >4 N/mm². Manufacturer guidance(28 days) |
Tensile Adhesion | >1.0 N/mm². |
Shrinkage | <0.1%. Manufacturer guidance(28 days) |
Drying time | 5–6 hours. Manufacturer guidance(Hardening time, before foot traffic) |
WaterContent | 14–16%. Manufacturer guidance(Recommended) |
Reaction to fire | A1 non-combustible. |
ThermalConductivity | 1.6 W/mK (to EN 12664), 2.6 W/mK (to ISO 22007-1). |
Density | Ca. 2088 kg/m³ (2.1 kg/mm/m²). Manufacturer guidance(Wet) |
Thickness | Minimum: Bonded, 20 mm. Unbonded, 30 mm. Domestic, 35 mm. Commercial, 40 mm. Over underfloor heating pipes: 25 mm (BS 8204-7); Maximum: 90 mm. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Germany |
Country of product manufacture | Germany |
Manufacturing plant location | |
Material | Calcium sulphate Guidance for specification option: based screed |
A1-A3 (production stage) | Embodied carbon as defined in BS EN 15804 |
Normalised unit | 1.2 kg CO₂ eq/kg |
Declared unit | 1.20 kg CO₂ eq/kg Certified |
Product certifications
BIM objects
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 |
|---|---|---|
 IFC | IFC2X3 | 1 |
 Revit | Revit 2016 | 2 |
Product certifications
EPD
EPD - CASEA Calcium Sulphate Floor Screed | Valid until 28.08.28
Literature
Literature type
SMET Floor Screed and Compounds Product Selector
SMET | UZIN CA Screed Flooring Installations Brochure
BSI Certificate of Registration ISO 14001:2015
BSI Certificate of Registration ISO 45001:2018
BSI Certificate of Registration ISO 9001:2015
Corporate and Social Responsibility Statement Policy | Smet Building Products Ltd
SMET -Tiling Onto Calcium Sulphate Floor Screed | System I
SMET -Tiling Onto Calcium Sulphate Floor Screed | System II
SMET Professional Tiling Systems Brochure
BES 6001 Responsible Sourcing of Products
Case studies
44,000 m2 of Screed delivered to our partners for The National Forensic Mental Health Hospital in Portrane, Ireland
Südanit 280 Alpha Hemihydrate | Mobile Screed Factory | Fast Floor Screed | A1 Rated Passive House in Cork
Südanit 280 Alpha Hemihydrate | Mobile Screed Factory | Fast Floor Screed | 20,000 m2 apartments Dublin
14,000 m2 LiteFlo® Lightweight Flowing Screed | The Tower at GWQ London
2,000 m2 LiteFlo® Lightweight Screed floor | Hotel in Edinburgh | IFT