SIGnature Air & Vapour Control Layer (Self Adhesive) - Bituminous Air & Vapour Control Layer
Verified by manufacturer 17 days ago
High performance Air & Vapour Control Layer (AVCL)
Application
Suitable for use in the SIGnature Torch On systems
Description
SIGnature Air & Vapour Control Layer (Self Adhesive) is a high performance air & vapour control layer for use in the SIGnature Torch On Bituminous Membrane systems as a self adhesive AVCL. It is composed of a polyester reinforced aluminium core, coated with a rubber modified, self-adhesive bitumen coating. The membrane is protected on the underside with a release film backing and coated on the top surface with a fine mineral finish. A minimum selfedge of 75 mm width, protected with release film, provides a quick means of completing side laps.
The vapour control layer is bonded to the top of the structural deck prior to the bonding of the insulation layer in warm flat roof construction.
Features and benefits:
- Aluminium core.
- High tensile polyester base.
- High resistance to damage and delamination.
- SBS bitumen coating low temperature flexibility -20°C.
- Prevents penetration of water vapour and damage to roof construction.
- Cold or warm roof applied options.
- CE marked.
General information
Color | Black |
Finish | Mineral |
Material | Polyester |
Shape | Other |
Length | 15000 mm |
Width | 1000 mm |
Warranty description | Other |
Uniclass | |
CAWS | J41/10 Reinforced bitumen membrane warm deck roof covering J41/395 Air and vapour control layer |
Specification data - Reinforced bitumen roofing sheets
Standard | To BS 8747. |
Material | |
Carrier material | 170 g/m² Polyester. |
Weight (minimum) | 2.5 kg/m². Guidance for specification option: Roll weight 37.5 kg |
Surface finish | |
Top | Fine mineral finish. |
Underside | Release film backing. |
Colour | Black. |
Third-party certification | BBA Certificate 86/1640. |
Size: | 15 x 1 m. |
Water vapour resistance | Sd value: 2436 m. |
Watertightness | 50 kPa. |
TensileStrength | Longitudinal ≥650. Transverse ≥500. |
Elongation | Longitudinal ≥30. Transverse ≥35. |
Tear resistance | Longitudinal ≥250. Transverse ≥300. |
Flexibility at low temperature | Upper and lower: ≤-10°C. |
Sustainability data
Country of product manufacture | United Kingdom |
Material | Polyester |