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Durafit 500

Verified by manufacturer 4 months ago

Interfloor Ltd Third party certifications:
  • Pure Green Supply Certificate

    Pure Green Supply Certificate

    Certificate type

  • EPD

    EPD

    Certificate type

Reinforced crumb rubber underlay.

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Application

Suitable for the double-stick and stretch-fit installation of carpets and natural floor coverings. Also suitable for underfloor heating, however it is not recommended that the underlay is used with an electric mat or dry underfloor heating system.

Description

Double-stick rubber crumb carpet underlay.


Features and benefits:

  • Heavy-wear.
  • Increases carpet life.
  • Enhanced resilience compared to lighter weight alternatives.
  • Green stripe backing ensures correct installation.
  • 5.25 mm thickness.
  • 100% recyclable at end of life.
  • Green Label Plus certified.
  • End Use Classification (BS 5808:1991/ BS EN 14499:2015): HC/U, Heavy Contract Use.
  • Produced in a factory accredited to ISO 9001, 12001 and 45001.

General information

Color

Black

Material

Rubber

Guidance for specification option:

Reinforced crumb rubber.

Shape

Other

Length

11000 mm

Width

1370 mm

Height

5.25 mm

Warranty description

-

Manufacturer guidance

Guaranteed for the serviceable lifetime of the carpet when used in accordance with the End Use Classification.

Uniclass

Pr_35_57_11_74 Rubber crumb underlaysPrimary

CAWS

M50/170 Carpeting

M50/25 Carpeting

Specification data - Rubber crumb underlays

Standards

To BS 5808 and BS EN 14499.

Use class

HC/U.

Thickness (minimum)

5.25 mm.

Recycled content

Pre-consumer, 65% (minimum); post-consumer, 0%; virgin, 35%.

Nominal weight

To BS EN 14499:2015, 2100 g/m².

Manufacturer guidance

Nominal square weight.

Nominal density

400 kg/m³.

Roll weight

31.6 kg.

Manufacturer guidance

Nominal roll weight.

Area

15.07 m².

Manufacturer guidance

Roll area.

Compression component

To BS 4908, BS 4052 and ISO 2094: Work of compression (minimum 50 J/m²): 75 J/m²; Retention of work of compression (minimum 40%): 88.5%; Compression after dynamic loading: 2.0 mm.

Strength

To EN ISO 13394 BS 2576, 700 N (length), 300 N (width).

Manufacturer guidance

Breaking strength.

Extension

To EN ISO 13394 BS 2576, 1.0% (length), 0.5% (width).

Manufacturer guidance

Extension under force, max. 15% @ 30 N.

Resistance

To EN 14499 and BS 5808, pass.

Manufacturer guidance

Resistance to cracking (not greater than 50 mm).

Thickness

To BS 4052 and ISO 2094, 6.0% (after dynamic loading); to ISO 3415/ 3416 and BS 4939, 6.5% (after static loading).

Manufacturer guidance

Loss in thickness.

Flammability

To BS 4790 & BS 5287, low radius of ignition.

Manufacturer guidance

Hot metal nut test (tested in conjunction with Axminster 80:20 carpet).

Reaction to fire classification

Tested to ENISO9239-1 and 11925-2, rated to EN13501-1, Bfl-s1.

Manufacturer guidance

(Tested in conjunction with Axminster 80:20 carpet).

Odour

No objectionable odour.

VOC

Complies A+.

Manufacturer guidance

French VOC emission regulations.

Thermal resistance

To BS 4745, 0.88 togs.

Guidance for specification option:

To BS 4745, R Value: 0.113 (SI Unit); 0.642 (USA Unit).

Impact sound reduction

To BS EN ISO 10140-3:2010, 26 dB.

Insulation

To ASTM E989-06, 56.

Manufacturer guidance

Impact insulation class (IIC).

Colour

Black.

Backing

Woven polypropylene with green stripes.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

34.20 kg CO₂ eq/unit

Recyclability

At the end of the underlays useful life, it can be 100% recycled.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

65 %

Guidance for specification option:

Contains not less than 65% post-consumer recycled material.

EPD

Third party certifications

Pure Green Supply Certificate

Pure Green Supply Certificate

Green Label Plus, indoor air quality testing program

EPD

EPD

Renu EPD

EPD

EPD

Fire-compliant underlay with certificate

Literature

Durafit 500 Specification

Durafit 500 Specification

Crumb Rubber

Crumb Rubber

Case studies

Changi Airport, Singapore (144,000m2 Duralay Durafit 500.)

Changi Airport, Singapore (144,000m2 Duralay Durafit 500.)

Marina Bay Sands, Singapore (60,000m2 Durafit 500, 34,000m2, New Supreme, 57,000m2 Softwalk and 32,000m2 FR7).

Marina Bay Sands, Singapore (60,000m2 Durafit 500, 34,000m2, New Supreme, 57,000m2 Softwalk and 32,000m2 FR7).

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