EshaBase SA Sand - SBS-modified Vapour Barrier
Verified by manufacturer 3 months ago
A self-adhesive SBS-modified vapour barrier for bituminous roofing systems.
Application
Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment.
For all applicable roofing systems contact manufacturer and see BBA certificate 15/5282.
Description
A self-adhesive SBS-modified vapour barrier for bituminous roofing systems.
Sheet composition:
- Appearance top side: Sand.
- Coating top side: SBS modified bitumen.
- Reinforcement: Glass fibre fabric.
- Coating bottom side: SBS-modified self-adhesive bitumen.
- Appearance bottom side: PP release film.
Overlaps:
- Sides: 80 mm.
- Ends: 100 mm.
General information
Color | Black Other Guidance for specification option: Sand. |
Finish | Sandfaced |
Material | Bitumen Glass |
Shape | Rectangle |
Length | 7500 mm |
Width | 1000 mm |
Height | 3 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 | Glass fibre fabric. |
Bitumen modification | Styrene Butadiene Styrene (SBS). |
Thickness (minimum) | 3 mm.Guidance for specification option: ±0.3 mm. |
Weight (minimum) | 2.0 kg/m².Guidance for specification option: ±0.2 kg/m². |
Surface finish | |
Top | Sand. |
Underside | Self-adhesive backing. |
Colour | Sand/ black. |
Third-party certification | BBA certificate 15/5282Guidance for specification option: Product sheet 1. |
Execution | EshaBase SA Sand is fully cold bonded to surface pre-coated with Esha SA Primer. Application only at temperatures above 10°C. (The temperature of the substrate and membrane should be at least 10°C) in accordance with the Radmat specification. |
Roll width | To EN 13707, 1.0 m. |
Roll length | To EN 13707, 7.5 m. |
Reaction to fire | To EN 13707, Class F. |
Watertightness | To EN 13707, Pass ≥ 10 kPa |
Tensile strength (Machine direction) | To EN 13707, 1250 ± 20% N/50 mm. |
Tensile strength (Cross direction) | To EN 13707, 2000 ± 20% N/50 mm. |
Elongation MD/CD | To EN 13707, 5 ± 3%. |
Flexibility at low temperature | To EN 13707, ≤ -20°C. |
FlowResistanceRange | To EN 13707, ≥ 100°C |
Dimensional stability | To EN 13707, ≤ 0.1%. |
Water vapour resistance | To EN 13707, 20 000 μ. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Europe |
Country of product manufacture | Europe |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Literature
BBA Certificate EshaFlex Total Roof Waterproofing Systems
EshaBase SA Sand Product Data Sheet