Sisalex 514
Vapour barrier and airtight layer
Vapour and electrical smog barrier.
- Reinforced robust vapour barrier
- High sd value, more than 1500 m = absolutely airtight
Four layer vapour and electrical smog barrier made of two craft papers with a flame-retardant paraffin middle layer and glass fibre inlay. Aluminium backing on one side. Also suitable for cellulose insulation.
Conditions for the twenty-year premium warranty include registering the building object and the Ampack products used. In addition, our products must be used as part of a system. For further details, please see our General Warranty Conditions.
| Article number | Description | Roll dimensions |
|---|---|---|
7640115530967 | Sisalex 514 | 1,5 m × 50 m = 75 m2 |
| Property | Value | Standard |
|---|---|---|
| Harmonised European Standard | EN 13984:2013 | |
| Product description | Typ B | EN 13984:2013 |
|
Mass per unit area |
225 g/m2 |
EN 1849-2 |
|
Straightness |
< 75 mm/10 m |
EN 1848-2 |
|
Fire behaviour |
E | EN 13 501-1 / EN ISO 11925-2 |
|
Brandkennziffer |
5.3 | VKF |
|
Water vapour permeability, sD value |
> 1'500 m | EN 1931 |
|
Width of overlap |
10 cm | |
|
Shear resistance of the joints |
180 N | EN 12 317-2 |
|
Maximum tensile strength longitudinal / transverse |
950 / 450 N |
EN 12 311-2, without support liner EN 13 859-1, Appendix A, with support liner |
|
Elongation longitudinal / transverse |
2 / 5 % |
EN 12 311-2, without support liner EN 13 859-1, Appendix A, with support liner |
|
Resistance to tearing (nail) longitudinal / transverse |
50 / 80 N |
EN 12 310-1 without support liner EN 13 859-1, Appendix B, with support liner |
| Visible defects | none | |
| Values after artificial ageing | ||
|
Water vapour permeability, sD value |
approved | EN 1296, 70°C / EN 1931 |
Technical data sheets
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Technical data sheet: Sisalex 514 | Technical data sheet: Sisalex 514, vapour barrier and airtight layer |
Declarations of performance
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Declaration of performance: Sisalex 514 | Declaration of performance: Sisalex 514 1,5 x 50 m, vapour barrier and airtight layer |
Tendering texts
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Tendering text: Sisalex 514 | Tendering text: Sisalex 514, vapour barrier and airtight layer |
Product inserts
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Product insert: Sisalex 514 | Product insert: Sisalex 514 1.5 x 50 m, vapour barrier and airtight layer |
Product photos
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Product photo: Sisalex 514 | Product photo: Sisalex 514, vapour barrier and airtight layer |
Application photos
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Application photo: Sisalex 514 | Application photo: Sisalex 514, vapour barrier and airtight layer |
Lay Sisalex 514 on the warm side of the insulation with a 10 cm overlap and tape the joints with Ampacoll BK 530. The printed aluminium side faces you. In rooms that are subject to constant moisture we recommend double bonding with Ampacoll BK 530 and Ampacoll XT. Edges must be joined with Ampacoll BK 530 and secured with an edge strip. Porous, dusty or rough surfaces must be applied with Ampacoll Primax or Ampacoll Airmax. The liquid adhesive Ampacoll RA can also be used for edge connections. In cases of high humidity Ampacoll Superfix is recommended. Please note that one side of the material must be diffusive so that the adhesive can set.
Note
If a direct bond to a solid surface is required (e.g. an externally insulated concrete wall), this can be done using a low-solvent liquid adhesive or with Ampacoll DT as a temporary installation aid, until the Sisalex 514 vapor barrier is mechanically fixed in place by the final lining.
Caution
Never allow Sisalex 514 to come in contact with fresh mortar, cement or other alkaline products, as they may attack the aluminum lamination. In such cases use Sisalex 518.
