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EshaBase SA Sand - SBS-modified Vapour Barrier

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Radmat Building Products Ltd

A self-adhesive SBS-modified vapour barrier for bituminous roofing systems.

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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 manufacturer and see BBA certificate 15/5282.

Description

A self-adhesive SBS-modified vapour barrier for bituminous roofing systems.


Sheet composition:

  • Appearance top side: Sand.
  • Coating top side: SBS modified bitumen.
  • Reinforcement: Glass fibre fabric.
  • Coating bottom side: SBS-modified self-adhesive bitumen.
  • Appearance bottom side: PP release film.


Overlaps:

  • Sides: 80 mm.
  • Ends: 100 mm.

General information

Color

Black

Other

Guidance for specification option:

Sand.

Finish

Sandfaced

Material

Bitumen

Glass

Shape

Rectangle

Length

7500 mm

Width

1000 mm

Height

3 mm

Warranty description

25 year

Uniclass

Pr_25_57_08_75 Reinforced bitumen roofing sheetsPrimary

CAWS

J42/395 Air and vapour control layer

J41/395 Air and vapour control layer

J31/330 Air and vapour control layer

Specification data - Reinforced bitumen roofing sheets

Standard

To BS EN 13707.

Performance characteristics

Visible defects: Pass; Straightness: Pass.

Material

-

Carrier material

Glass fibre fabric.

Bitumen modification

Styrene Butadiene Styrene (SBS).

Thickness (minimum)

3 mm.

Guidance for specification option:

±0.3 mm.

Weight (minimum)

2.0 kg/m².

Guidance for specification option:

±0.2 kg/m².

Surface finish

-

Top

Sand.

Underside

Self-adhesive backing.

Colour

Sand/ black.

Third-party certification

BBA certificate 15/5282

Guidance for specification option:

Product sheet 1.

Execution

EshaBase SA Sand is fully cold bonded to surface pre-coated with Esha SA Primer. Application only at temperatures above 10°C. (The temperature of the substrate and membrane should be at least 10°C) in accordance with the Radmat specification.

Roll width

To EN 13707, 1.0 m.

Roll length

To EN 13707, 7.5 m.

Reaction to fire

To EN 13707, Class F.

Watertightness

To EN 13707, Pass ≥ 10 kPa

Tensile strength (Machine direction)

To EN 13707, 1250 ± 20% N/50 mm.

Tensile strength (Cross direction)

To EN 13707, 2000 ± 20% N/50 mm.

Elongation MD/CD

To EN 13707, 5 ± 3%.

Flexibility at low temperature

To EN 13707, ≤ -20°C.

FlowResistanceRange

To EN 13707, ≥ 100°C

Dimensional stability

To EN 13707, ≤ 0.1%.

Water vapour resistance

To EN 13707, 20 000 μ.

Sustainability data

Contains Red List materials

No

Country of material origin

Europe

Country of product manufacture

Europe

Recyclability

0

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

Literature

BBA Certificate EshaFlex Total Roof Waterproofing Systems

BBA Certificate EshaFlex Total Roof Waterproofing Systems

EshaBase SA Sand Product Data Sheet

EshaBase SA Sand Product Data Sheet

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