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Daco-KSU-FO Self-Adhesive Underlay
Application

Designed for use as a high performance underlay membrane, and is suitable for use within cold-applied roofing systems. The product can be applied to a wide range of substrates and is compatible with DACO-KSO self-adhesive cap sheet.

Description

A cold-applied, self-adhesive bituminous underlay which is saturated and coated with high quality styrene-butadiene-styrene (SBS) modified bitumen. It has a tough 200 g/m² glass fibre reinforcement and is manufactured with a single layer release film on its underside.

Features and benefits:

  • Flame free, self-adhesive application.
  • Good low temperature flexibility at -30°C.
  • Tough 200 g/m² reinforcement.
  • SBS modified bitumen.
  • Versatile, long-lasting material.
  • CE marked.

Applications:

Designed for use as a high performance underlay membrane, and is suitable for use within cold-applied roofing systems. The product can be applied to a wide range of substrates and is compatible with DACO-KSO self-adhesive cap sheet.

General information

Uniclass 2015

Pr_25_57_08_75 Reinforced bitumen roofing sheetsPrimary

CAWS

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

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

J41/115 Single layer 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

J41/125 Single layer reinforced bitumen membrane inverted roof covering

J41/130 Built-up reinforced bitumen membrane cold deck roof covering

J41/135 Single layer reinforced bitumen membrane cold deck roof covering

Specification data - Reinforced bitumen roofing sheets

Product Reference

Daco-KSU-FO Self-Adhesive Underlay

Standard product features

Size (l x w):

7.5 x 1.08 m.

Weight:

3.9 kg/m².

Technical characteristics:

  • Straightness (to DIN EN 1848-1): <20 mm/10 m.
  • Thickness (to DIN EN 1849-1): 3.00 mm (±0.2).
  • Water tightness (to DIN EN 1928): Passed.
  • Reaction to fire (to DIN EN 11925-2): Class E according to DIN EN 13501-1.
  • Tensile properties maximum tensile force (to DIN EN 12311-1): 1800/ 3400 N/50mm (± 12%).
  • Tensile properties elongation (to DIN EN 12311-1): 5% (± 2 abs).
  • Flexibility at low temperatures (to DIN EN 1109): ≤-30°C.
  • Resistance to thermal distortion (to DIN EN 1110): ≥+ 115/ + 100°C.
  • 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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