EshaBase Alu - Vapour Barrier
Verified by manufacturer 4 months ago
BBA Agrément Certificate
Certificate type
A torch-applied aluminium-cored vapour barrier for bituminous roofing-system.
Application
Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment. For all applicable roofing systems see Esha System information sheets and KOMO certificate.
Description
A torch-applied aluminium-cored vapour barrier for bituminous roofing systems. Overlaps must be torched.
Features and benefits:
- Reaction to fire: Class E.
- Watertightness: ≥60 kPa.
Sheet composition:
- Appearance top side: Sand.
- Coating top side: Oxidized bitumen.
- Reinforcement: Fibreglass fleece and aluminium/ polyester laminate.
- Coating bottom side: Oxidized bitumen.
- Appearance bottom side: PE film.
Overlaps:
- Sides: 80 mm.
- Ends: 100 mm.
General information
Color | Black Guidance for specification option: Top/ bottom sides. Other Guidance for specification option: Sand. |
Finish | Sandfaced |
Material | Bitumen Aluminium |
Shape | Rectangle |
Length | 5000 mm |
Width | 1000 mm |
Height | 4 mm |
Warranty description | 25 year |
Uniclass | |
CAWS | J42/395 Air and vapour control layer J41/395 Air and vapour control layer J31/330 Air and vapour control layer |
Specification data - Reinforced bitumen roofing sheets
Standard | To BS EN 13707. |
Performance characteristics | Visible defects: Pass; Straightness: Pass. |
Material | |
Carrier material | Fibreglass fabric fleece with aluminium/ polyester laminate. |
Bitumen modification | Oxidized. |
Thickness (minimum) | 4 mm.Guidance for specification option: ±0.2 mm. |
Weight (minimum) | 5 kg/m².Guidance for specification option: ±10%. |
Surface finish | |
Top | Sand. |
Underside | PE film. |
Colour | Sand/ black.Guidance for specification option: Top/ bottom side. |
Third-party certification | Product characteristics report BDA 0059-L-11/3, CE according to BS EN 13970. |
Roll length | To EN 13707, 5 m. |
Roll width | To EN 13707, 1.0 m. |
Water vapour resistance | To EN 13707, ≥8.12 X 10¹² (m².s.Pa)/kg. |
Reaction to fire | To EN 13707, Class E-d2 |
Watertightness | To EN 13707, Pass ≥60 kPa. |
Tensile strength (Machine direction) | To EN 13707, 500 ±20% N/50mm. |
Tensile strength (Cross direction) | To EN 13707, 375 ±20% N/50mm. |
Elongation MD/CD | To EN 13707, 3 ±1%. |
Impact resistance | To EN 13707, ≥20 ø mm. Guidance for specification option: h= 300 mm. |
Shear resistance of joints (to EN 12317-2) | To EN 13707, NPD. |
Resistance to tearing | To EN 13707, 150 N. Manufacturer guidanceNail shank. |
Flexibility at low temperature | To EN 13707, ≤0°C. |
Durability | To EN 13707, Pass ≥200 kPa. Guidance for specification option: Durability of watertightness after artificial ageing / Durability of watertightness against chemicals. |
Sustainability data
Country of material origin | Europe |
Country of product manufacture | Europe |
Material | Bitumen Aluminium |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Third party certifications
Literature
EshaBase Alu PDS