NBS Source
EshaGum

Description

APP modified bitumen built-up roofing system. Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment.

General information

Uniclass 2015

Ss_30_40_30_72 Reinforced bitumen membrane warm roof covering systemsPrimary

CAWS

J41/10 Built-up reinforced bitumen membrane warm deck roof covering

J41/110 Built-up reinforced bitumen membrane warm deck roof covering

J41/12 Built-up reinforced bitumen membrane cold deck roof covering

J41/120 Built-up reinforced bitumen membrane inverted roof covering

Specification data - Reinforced bitumen membrane warm roof covering systems

Product Reference

EshaGum

Base layer

EshaGum 460P14 3 mm

Capsheet

EshaGum 470 Black mineral

EshaGum 470 Plain

Product Options

Components:

- EshaGum 460P14 3 mm:

  • Torch-applied, APP modified bitumen base layer.
  • Upper surface: APP modified bitumen, with sand finish and overlap mark.
  • Reinforcement: Polyester/ fibreglass fleece and glass yarn.
  • Underside: APP modified bitumen with PE film.
  • Visible defects: Pass.
  • Length: 10 m.
  • Width: 1 m.
  • Straightness: Pass.
  • Mass per unit area: 3.5 kg/m ± 20%.
  • Effective thickness: 3.0 mm ± 0.2 mm.
  • External fire performance: Froof.
  • Reaction to fire: Class F.
  • Water tightness: Pass, ≥10 kPa.
  • Tensile strength: MD, ≥600 N/50 mm ± 20%; CD, 400 N/50 mm ± 20%.
  • Elongation: MD, 25% ± 15%; CD, 30 ± 15%.
  • Flexibility at low temperature: ≤-5ºC.
  • Water vapour resistance, µ: 20.

– EshaGum 470 Black mineral:

  • Torch-applied, APP modified cap sheet.
  • Upper surface: APP modified bitumen, with black slate chippings and overlap film.
  • Reinforcement Polyester fleece, glass yarn-reinforced.
  • Underside: APP modified bitumen with grooves and PE film.
  • Visible defects: Pass.
  • Length: 7.5 m.
  • Width: 1 m.
  • Straightness: Pass.
  • Mass per unit area: 4.7 kg/m ± 10%.
  • Effective thickness: 4.5 mm ± 0.2 mm.
  • Reaction to fire: Class F.
  • Water tightness: Pass, ≥10 kPa.
  • Tensile strength: MD, ≥700 N/50 mm ± 20%; CD, 700 N/50 mm ± 20%.
  • Elongation: MD, 18% ± 15%; CD, 25 ± 15%.
  • Flexibility at low temperature: ≤-15ºC.
  • Water vapour resistance, µ: 20.

– EshaGum Plain:

  • Torch-applied, APP modified cap sheet.
  • Upper surface: APP modified bitumen, with sand and overlap film.
  • Reinforcement Polyester fleece, glass yarn-reinforced.
  • Underside: APP modified bitumen with grooves and PE film.
  • Visible defects: Pass.
  • Length: 6 m.
  • Width: 1 m.
  • Straightness: Pass.
  • Mass per unit area: 3.9 kg/m ± 10%.
  • Effective thickness: 3.8 mm ± 0.2 mm.
  • Reaction to fire: Class F.
  • Water tightness: Pass, ≥10 kPa.
  • Tensile strength: MD, ≥700 N/50 mm ± 20%; CD, 700 N/50 mm ± 20%.
  • Elongation: MD, 18% ± 15%; CD, 25 ± 15%.
  • Flexibility at low temperature: ≤-15ºC.
  • Water vapour resistance, µ: 20.

Third party certifications

  • KOMO: Certificate: K66714

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