Sheet

Tile

Description

Tretford Sheet is made from carded fibres formed into a continuous corrugation and bonded with PVC to a hessian backing. Tretford Tiles have a PVC backing.

Materials/Pile Composition

Warranties

BS EN1307:1997

Class 3 LC2 Contract Wear

Wear Guarantee and a Lifetime Anti-Ravel/Non-Zipper Guarantee

Av. Roll Length

Thickness

ca. 7mm

ca. 8mm

Weight

ca. 2.75kg/sq.m

ca. 5kg/sq.m

Flammability

BS4790:1987 Mean radius of burning

BS EN ISO 11925:2002, BS EN ISO 9239-1

Critical radiant flux tests

AS ISO 9239.1-2003

Conclusion

25mm Class: Low

Euorclass C_fl – s1

ANSI/ASTM E6/48 result category 1

Mean 7.2 kW/m² direct stick; Mean 5.7 kW/m² dual bond

Suitable for commercial/contract installations including Institutional, Commercial and Public Buildings.

Thermal Transmission Properties
(BS 4745:1971)

Thermal resistance

Thermal conductance

Thermal conductivity

Conclusion

1.76 togs

5.68 W/m².C⁰

4.99 Wcm/m².C⁰

Satisfactory thermal properties for normal underfloor heating.

Electrical Properties/Static

IBM and ICL Electrical Resistance:

Tested at 40% RH and 20⁰C

Recommendation

Passed

To prevent discomfort a minimum of 40% RH should be maintained in all in-door environments regardless of what interior finishes/coverings have been used

Loss in Thickness after Dynamic Loading
(BS 4052:1987)

Thickness loss % after 1000 impacts

Colour Fastness (BS1006:1990)

to light

to water spotting

to carpet shampoo

to rubbing

Colour Change

5-6 very slight to none

4 very slight

3-4 very slight

4 very slight

Impact Insulation (BS 2750:1980)

Centre Band Frequencies (Hz)

Test 1 bare concrete (dB)

Test 2 bare concrete (dB) with Tretford

Regulatory Requirements (dB)

Conclusion

200   400   800   1000

 66     69     71     71

57.2 45.5   33.7   25.6

 66     66     64     63

This carpet meets the requirements of the building regulations by a useful margin.

Sound Absorption (BS EN 20354:1993)

Noise reduction coefficient (250-2,000 Hz) is 0.21

Mothproofing (BS 4797:1972) (SIS 650220)

Tretford is moth resistant to European standards.

Castor Chair Protectors

Recommended with 3 colours

Mandatory with 1 and 2 colours

Country of Manufacture

Ireland

Germany

Tretford Cord Carpet is a natural fibre product. Different production runs of the same product may therefore be subject to shade variation. This is not a defect or a manufacturing fault.