NBS Source
I'm a manufacturer

Application

  • Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment.
  • Torch applied to base sheet or suitable surface in accordance with the Radmat specification. Overlaps must be torched.

Description

EshaTherm TK40 is a thermo adhesive vapour pressure distribution base layer for use in partially bonded two layer systems.


Features and benefits:

  • EshaTherm TK40 is an SBS modified bituminised fibreglass fabric with a strip applied thermal adhesive coating.
  • Suitable for all types of roof with a flat or sloped roof construction on new build or refurbishment.
  • Reaction to fire: Class F.
  • Conforms to EN 13707:2004 +A2:2009.


Product information:

  • Top side: Macro perforated film finished with sand
  • Coating topside: SBS modified bitumen.
  • Reinforcement: Glass fabric.
  • Coating bottom side: SBS modified bitumen & partially applied thermal adhesive coating.
  • Appearance bottom side: PE-film.


Overlaps:

  • Side overlaps: 80 mm.
  • End overlaps: 100 mm.


For all applicable roofing systems contact Radmat Building Products and see BBA certificate No.15/5282. For a comprehensive NBS J41 specification contract Radmat Building Products.

General information

Color

Black

Finish

Guidance for specification option:

Macro perforated film finished with sand.

Material

Bitumen

Guidance for specification option:

SBS modified bituminised fibreglass fabric with a strip applied thermal adhesive coating.

Size

7500 x 1000 x 3.8 mm

Uniclass

Pr_25_57_08_75 Reinforced bitumen roofing sheetsPrimary

CAWS

J41/12 Reinforced bitumen membrane cold deck roof covering

J41/10 Reinforced bitumen membrane warm deck roof covering

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

J41/400 Built-up reinforced bitumen waterproof covering

Specification data - Reinforced bitumen roofing sheets

Standard

To BS EN 13707.

Performance characteristics

Visible defects: Pass, Straightness: Pass.

Material

-

Carrier material

Glass fibre.

Thickness (minimum)

3.8 ± 0.2 mm.

Weight (minimum)

4.2 ± 10% kg/m².

Surface finish

-

Top

Sanded.

Guidance for specification option:

Macro perforated film finished with sand.

Underside

PE-film.

Colour

Black.

Roll length

To EN 13707, 7.5 m.

Roll width

To EN 13707, 1 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, ≤ 10°C.

FlowResistanceRange

To EN 13707, ≥ 100°C.

Dimensional stability

To EN 13707, ≤ 0.1%.

Water vapour resistance

To EN 13707, 20 000 μ.

Similar products from Radmat Building Products Ltd

AluBase XL - Bituminous Waterproofing Membrane

AluBase XL - Bituminous Waterproofing Membrane

EshaBase Alu - Vapour Barrier

EshaBase Alu - Vapour Barrier

EshaBase SA Alu 3 mm - SBS-modified Vapour Barrier

EshaBase SA Alu 3 mm - SBS-modified Vapour Barrier

EshaBase SA Alu 4.2 mm - Vapour Barrier

EshaBase SA Alu 4.2 mm - Vapour Barrier

EshaBase SA Sand - SBS-modified Vapour Barrier

EshaBase SA Sand - SBS-modified Vapour Barrier

EshaFlex 370 Black Mineral

EshaFlex 370 Black Mineral

EshaFlex 370 FireSafe

EshaFlex 370 FireSafe

EshaFlex 370 Plain

EshaFlex 370 Plain

EshaFlex 370 SA Black Mineral

EshaFlex 370 SA Black Mineral

EshaFlex 370 SA Grey Mineral

EshaFlex 370 SA Grey Mineral