Puretan 70
Thermal insulation and roof waterproofing
Prodotto Tecnopur per applicazioni professionali.
- Soluzione tecnica per interventi in ambito edilizio.
- Applicazione professionale con supporto Tecnopur Italia.
- Nella gallery prodotto puoi visualizzare alcuni esempi applicativi.
- Technical solution for professional building applications.
- Professional application with Tecnopur Italia support.
- The product gallery shows examples of applications and use cases.
Puretan 70: thermal insulation and roof waterproofing
Puretan 70 is a two-component spray-applied polyurethane system designed for waterproofing and thermally insulating civil and industrial roofs, gardens, walls, floors and foundations.
Its continuous application protects even complex surfaces, reducing interruptions in the system and promoting consistent performance across the entire substrate.
Main benefits
- Thermally insulating and waterproof product.
- Homogeneous structure providing continuous waterproofing and thermal-acoustic insulation.
- Excellent compressive and tensile strength.
- Rapid application.
- Long-term durability.
- Eliminates thermal bridges through seamless application.
- High vapour permeability.
- Eliminates the vapour barrier.
- Adapts to different substrate shapes.
- Easy application around downpipes, rooflights, vents and junctions with vertical walls.
- Excellent adhesion to materials including iron, concrete, brick, fibre cement, wood, bitumen, glass and fibreglass.
- Resistant to acids, solvents and hydrocarbons.
- Resistant to marine and industrial atmospheres.
- Resistant to fungi and microorganisms.
- Can be easily restored and repaired after accidental damage.
Technical documentation
View the available documentation for further details on the product characteristics, application methods and technical references.
Finishing paint
Technical data
| Test | Standard | Unit | Average value |
|---|---|---|---|
| Specific gravity | POL. 1.12:1.13 ISO. 1.23 | ||
| Viscosity | mPas at 20°C | POL. 180:220 ISO 150:250 cps | |
| Catalysis ratio | 01:01 | ||
| Reaction time: Gel Time | 12 sec | ||
| Reaction time: Cream Time | 4 sec | ||
| Density | PeEN 14315-2 | Kg/m³ | 50-70 |
| Adhesion to concrete | UNI 9564 | KPa | 282 |
| Adhesion to wood | UNI 9564 | KPa | 266 |
| Adhesion to mild steel | UNI 9564 | KPa | 286 |
| Compressive strength | UNI 6350 | Kg/cm² | 3.29-5.76 max |
| Initial thermal conductivity | PrEN 14315 and 14318-1 | W/Mk | 0.025-0.027 |
| Reaction to fire | EN 13501 | Euroclass | C-D-E |
| Water vapour transmission | EN 12086 method A | mg/Pa.m.s | 30-40 |
| Water impermeability | No leakage | ||
| Tensile strength | UNI 8071 | KPa | 391.46 |
Application examples
Puretan 70 is used for waterproofing and thermal insulation on civil and industrial roofs, exposed surfaces and structures requiring continuous application.
The images in the product gallery show examples of applications and usage contexts.
Would you like to know whether Puretan 70 is suitable for your project?
Contact Tecnopur Italia for further information about the product and to assess the most suitable solution for your project.












