EshaBase Alu

Application

Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment. For all applicable roofing systems see Esha System information sheets and KOMO certificate.

Description

A torch applied aluminium cored vapour barrier for bituminous roofing systems. Overlaps must be torched.


Features and benefits:

  • Reaction to fire: Class F.
  • Watertightness: ≥ 200 kPa.


Sheet composition:

  • Appearance top side: Sand.
  • Coating top side: Oxidized bitumen.
  • Reinforcement: Fibreglass fleece and aluminium/ polyester laminate.
  • Coating bottom side: Oxidized bitumen.
  • Appearance bottom side: PE film.


Overlaps:

  • Sides: 80 mm.
  • Ends: 100 mm.


General information

Color

Black

Top/ bottom sides.

Other

Sand.

Material

Bitumen

Fibreglass

Aluminium

Shape

Rectangular

Size

7500 x 1000 x 4 mm

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 Enhanced data

Standard

To BS EN 13707.

Performance characteristics

Visible defects: Pass; Straightness: Pass; Water vapour resistance: 8.12 x 10^12 (m²s·Pa)/kg; Reaction to fire: Pass, Class E-d2; Watertightness: Pass, ≥60 kPa; Tensile strength MD: 500 N/50mm ±20%; Tensile strength CD: 375 N/50mm ±20%; Elongation MD: 3% ±1; Elongation CD: 3% ±1; Resistance to impact: ≥20 mm ø (h=300 mm); Shear resistance of joint: ≥400 N/50mm; Resistance to tearing (nail shank): ≥50 N; Flexibility at low temperature: ≤0°C; Durability of watertightness after artificial ageing: Pass ≥200 kPa; Durability of watertightness against chemicals: Pass, ≥200 kPa; Dangerous substances: Complies.

Material

-

Carrier material

Fibreglass fabric fleece with aluminium/ polyester laminate

Bitumen modification

Oxidized.

Thickness (minimum)

4 mm.

±0.2 mm.

Weight (minimum)

5 kg/m².

±10%.

Surface finish

-

Top

Sand.

Underside

PE film.

Colour

Sand/ black.

Top/ bottom side.

Third-party certification

Product characteristics report BDA 0059-L-11/3, CE according to BS EN 13970.

Literature

BBA Certificate EshaFlex Total Roof Waterproofing Systems

BBA Certificate EshaFlex Total Roof Waterproofing Systems

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

15/5282

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