EshaBase SA Alu 4.2 mm

Application

Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment.

For all applicable roofing systems contact Radmat Building Products and see BBA certificate No. 15/5282.

Description

Self-adhesive SBS aluminium cored vapour barrier for bituminous roofing systems.


Sheet composition:

  • Appearance top side: Sand, plus removable overlap film.
  • Coating top side: SBS modified bitumen.
  • Reinforcement: Glass fibre fabric, plus aluminium/ polyester laminate.
  • Coating bottom side: SBS modified self-adhesive bitumen.
  • Appearance bottom side: PP release film.


Overlaps:

  • Sides: 80 mm.
  • Ends: 100 mm.


Certificates:

  • FM approved ID: 3017648.
  • Product characteristics report BDA 0059-L-11/3.
  • CE according to BS EN 13970.

General information

Color

Black

Other

Sand.

Material

SBS

Shape

Rectangular

Size

7500 x 1000 x 4.2 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: 1250 N/50mm ±20%; Tensile strength CD: 2000 N/50mm ±20%; Elongation MD: 5% ±3; Elongation CD: 5% ±3; Resistance to impact: ≥10 mm ø (h=300 mm); Peel resistance of joint: ≥50 N/50mm; Shear resistance of joint: ≥500 N/50mm; Resistance to tearing (nail shank): ≥400 N; Flexibility at low temperature: ≤-10°C; Durability of watertightness after artificial ageing: Pass ≥60 kPa; Durability of watertightness against chemicals: Pass, ≥60 kPa; Dangerous substances: Complies.

Material

-

Carrier material

Glass fibre fabric, plus aluminium/ polyester laminate.

Bitumen modification

Styrene-Butadiene-Styrene (SBS).

Thickness (minimum)

4.2 mm

±0.2 mm.

Weight (minimum)

4.9 kg/m²

±10%.

Surface finish

-

Top

Sand.

Underside

Self-adhesive backing.

Colour

Sand/ black.

Third-party certification

BBA certificate 15/5282

Product sheet 1.

Execution

EshaBase SA Alu 4.2mm is fully cold bonded to surface pre-coated with Esha SA Primer. Application only at temperatures above 10°C (The roll should also be 10°C) in accordance with manufacturer's guidelines.

Literature

BBA Certificate EshaFlex Total Roof Waterproofing Systems

BBA Certificate EshaFlex Total Roof Waterproofing Systems

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