SIG SIGnature Bituminous Torch-On Air & Vapour Control Layer
Verified by manufacturer 5 months ago
High performance vapour control layer with two application options.
Application
Suitable for use in the SIGnature BUR systems.
Description
SIGnature VCL is a high performance vapour control layer for use in the SIGnature BUR systems. It comprises an impervious aluminium core, reinforced with polyester and coated with a quick melt SBS modified bitumen. The lower surface has a sacrificial film which rapidly melts during the torching operation.
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.
- BBA Certificate 86/1640.
General information
Color | Black |
Finish | Mineral |
Material | Polyester |
Shape | Other |
Length | 12000 mm |
Width | 1000 mm |
Uniclass | |
CAWS | J41/10 Reinforced bitumen membrane warm deck roof covering J41/395 Air and vapour control layer |
Specification data - Reinforced bitumen roofing sheets
Material | |
Carrier material | 170 g/m² Polyester. |
Weight (minimum) | 3.1 kg/m².Guidance for specification option: Roll weight 37.0 kg |
Surface finish | |
Underside | Sacrificial film. |
Colour | Black. |
Third-party certification | BBA Certificate 86/1640. |
Size: | 12 x 1 m. |
Water vapour resistance | 2436 m. (Sd value). |
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 |