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Diasen Diathonite Thermostep.047 Screed - Cork Lime Insulating Floor Screed
Verified by manufacturer 2 days ago
Lightweight, durable, cork/lime thermal screed suitable for indoor and outdoor use, providing thermal insulation for floors, ceilings and ventilated roofs.
Application
Ready-to-use, fibre-reinforced lightweight screed for indoor and outdoor applications. Suitable for creating lightweight thermal screeds for new buildings, on existing floors, floors and roofs.
Description
Diasen Diathonite Thermostep.047 screed is a fibre-reinforced bio-mortar with cork (grain size 0-3 mm), clay, diatomaceous earth powder and hydraulic binder. Natural product studied for the realisation of ready lightened thermal screeds, ideal for the insulation of floors, ceilings and ventilated roofs. Diathonite Thermostep.047 can be used indoors and outdoors, for renovations or new buildings, and it allows to thermally insulate floors and existing structures without weighing down the structure.
Features and benefits:
- Lightweight screed designed for application on new buildings or for renovation of floors, ceilings and roofs.
- Highly breathable screed that insulates against cold and heat.
- Euroclass A1 fire reaction.
- Fibre-reinforced. Extremely resistant.
- Ready to use.
- Can be used indoors and outdoors.
- Suitable for embedded installations.
- Product complies with CE marking (EN 13813).
- Diathonite Thermostep.047 can be directly tiled, after waterproofing with a suitable waterproofing agent (products CE marked EN 14891).
General information
Color | Grey |
Finish | Textured |
Material | Hydraulic lime Lime Guidance for specification option: Hydrated. Cork Polypropylene Guidance for specification option: Polypropylene fibre. Other Guidance for specification option: Diatomaceous powder. |
Shape | Formless |
Warranty description | Ten year Guidance for specification option: 10 year post application warranty Manufacturer guidanceShelf life of this product is one year. |
Uniclass | |
CAWS | M10/22 Proprietary levelling/wearing screeds M10/19 Proprietary screeds to BS EN 13813 M10/195 Proprietary screeds to BS EN 13813 M10/165 Proprietary fibre reinforced levelling screeds |
SKU Code | DDT |
Specification data - Cementitious levelling screed mixes
Classification data | |
Product reference | Diasen Diathonite Thermostep.047 Screed. |
Cement additions | Hydraulic binder. |
Coarse aggregate | Required. Guidance for specification option: Contains cork (0–3 mm) as a lightweight aggregate. |
Fine aggregate | Required. Guidance for specification option: Contains clay and diatomaceous earth powder. |
Admixture | Not permitted. |
Typical yield | 3.90 kg/m² (±10%) for each cm of thickness. |
Colour | Grey. |
Density | 360 kg/m³. |
Application temperature | +5°C to +30°C. |
Thermal conductivity (maximum) | To UNI EN 12667, 0.047 W/mK. |
Specific heat | To UNI EN 1745, 1000 J/kgK. |
Impact sound reduction | To UNI EN ISO 717-2, ΔLw = 22 dB. Manufacturer guidanceAttenuation of normalized impact sound pressure level ΔLw of a system composed by Diafon + Diathonite Thermostep.047 (5.0 cm). |
Sound insulation | To UNI EN ISO 140-7, L’nw = 58 dB. Manufacturer guidanceFootstep insulation index (5 cm Diathonite Thermostep.047 + Diafon + hollow–core concrete floor). |
Compression strength | To UNI EN 13813, 5.0 N/mm². Manufacturer guidanceC5. |
Water vapour diffusion resistance | To UNI EN ISO 12572, µ = 4. |
Reaction to fire | To UNI EN 13501-1, A1. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Italy |
Country of product manufacture | Italy |
Manufacturing plant location | |
Material | Hydraulic lime Lime Guidance for specification option: Hydrated. Cork Polypropylene Guidance for specification option: Polypropylene fibre. Other Guidance for specification option: Diatomaceous powder. |
| Carbon dioxide equivalent | |
Carbon dioxide equivalent, as defined in BS EN 15804 Self-declared | |
Stage Normalised unit (kg CO₂ eq/kg) Declared unit (kg CO₂ eq/kg) Stage:A1–A3 ('Production stage') Normalised unit : 0.7 (kg CO₂ eq/kg) Declared unit : 0.7 | |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0.37 % |
Expected Life | 100 year |
Literature
Literature type
Diasen Diathonite Thermostep.047 Material Safety Datasheet
Diasen Diathonite Thermostep.047 Technical Datasheet
Diasen Diathonite Thermostep.047 Declaration of Performance BS EN 13813 (UKCA)
Diasen Diathonite Thermostep.047 Declaration of Performance (DOP) EN 13813 (CE)