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Application

Designed for use as a high performance cap sheet, and can be used as the final waterproofing layer on a variety of TechnoNICOL built-up roofing systems (e.g. Torch-Safe and full Torch-On specifications). The membrane is compatible with all common bituminous underlay membranes and also provides innovative air purification technology.

Description

A torch-applied, bituminous cap sheet, which is saturated and coated with high quality styrene-butadiene-styrene (SBS) modified bitumen. It has a tough polyester reinforcement, polyethylene film on the underside and features a hydrophobized slate surface on the top surface, which is covered with titanium dioxide (TiO2) and special additives.

The specially modified slate surface functions as a catalyst in the process of changing harmful nitrogen oxides (NOx) into harmless levels of nitrates. The process is activated when ultraviolet radiation from the sun hits the titanium dioxide particles, releasing energy for breaking down the NOx particles. Polluted air passes over the membrane where the NOx is converted into harmless levels of water, carbon dioxide and nitrates, which are washed away by the rainwater. The special coating also contributes to the destruction of organic contaminants on the surface of the roof, such as bird droppings, fungus spores and bacteria.

Features and benefits:

  • High quality torch-on cap sheet.
  • SBS polymer modified bitumen.
  • Low temperature flexibility at -25°C.
  • Suitable for use as part of a torch-safe or full torch-on system.
  • Innovative air purification properties.
  • CE marked.

Applications:

Designed for use as a high performance cap sheet, and can be used as the final waterproofing layer on a variety of TechnoNICOL built-up roofing systems (e.g. Torch-Safe and full Torch-On specifications). The membrane is compatible with all common bituminous underlay membranes and also provides innovative air purification technology.

General information
Specification data - Reinforced bitumen roofing sheets
Product Reference

Technoelast Enviro Air K-PS 170/5000

Standard product features

Size (l x w):

8 x 1 m.

Weight:

5 kg/m².

Reinforcement type:

Polyester.

Protective covering:

  • Top: Coarse-grained slate with special additives.
  • Bottom: Polymer film.

Technical characteristics:

  • Straightness (to EN 1848-1): ≤10 mm/ 5 m.
  • Thickness (to EN 1849-1): 4.00 mm (±0.1).
  • Water tightness (to EN 1928): Pass.
  • External fire performance (to EN 13501-5): Broof (t2).
  • Reaction to fire (to EN 13501-5): Euroclass E.
  • Tensile properties maximum tensile force L/ T (to ASTM D5147): 700/ 500 N/ 50 mm (±100).
  • Tensile properties elongation L/ T (to ASTM D5147): 50/ 50% (±25).
  • Tear resistance L/ T (to ASTM D4073): 180/ 180 N (±30).
  • Softening Point (to ASTM D36): ≥120°C.
  • Dimensional stability (to ASTM D5147): 1.0%
  • Adhesion of granules (to EN 12039): ≤30%.
  • Water vapour transmission properties (to EN 1931): μ=20 000.
  • Flexibility at low temperatures (to EN 1109-1): ≤- 25°C.
  • Flow resistance at elevated temperature (to EN 1110): ≥ 100°C.
  • Resistance to thermal distortion (to DIN EN 1110): +100°C (±5).
  • Chemical resistance: Water-resistant and is resistant to watery solutions of salt, diluted non-oxidising acids and bases. Aliphatic and aromatic hydrocarbons, as well as chlorine hydrocarbons, oils and greases may loosen the product and should therefore be avoided.

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