Heritage Carpets

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A major contribution to domestic safety.

Increases safety by reducing the rate of flame spread 9
Helps prolong carpet life
Suitable for use with underfloor heating
Maximises underfoot comfort
Ideal for medium to heavy traffic areas - hotel guest rooms, restaurants, retail shops, etc.

TECHNICAL SPECIFICATIONS:

QUALITY NAME	Guardian
COMPOSITION	StructuredLatex Rubber
CONSTRUCTION	Ribbed Profile
BACKING	Black Woven Polypropylene
TOTAL THICKNESS	8.0 mm (BS 4051)
TOTAL WEIGHT	1180 g/sqm
ROLL SIZE	1.37 m (4.5ft) x 11 m (36ft)
ORIGIN	United Kingdom (Duralay)
FLAMMABILITY	Methanamine Pill (BS 6307) - Medium
SUITABILITY	Medium to Heavy contract
GUARANTEE	15 years

(Test Results To BS. 5808: 1991 - British Standard For Carpet Underlays)

SPECIFICATION	BS REQUIREMENTS	RESULT	METHOD
BREAKING STRENGTH Warp Weft	Minimum 40N/5 cm	513 N 256 N	BS 2596
EXTENSION UNDER FORCE Warp Weft	Maximum 10% @ 40N	202% 1.83%	BS 2576
WORK OF COMPRESSION	Min. 60 J/m² after dynamic loading for 1000 impacts	126 J/m²	BS 4098
RETENTION OF WORK OF COMPRESSION	Min. 40% of original after dynamic loading for 1000 impacts	60%	BS 4098 & BS 4052
LOSS IN THICKNESS AFTER DYNAMIC LOADING	Max. 40% after 1000 impacts	6%	BS 4052
LOSS IN THICKNESS AFTER STATIC LOADING	Max. 40% after 24 hrs recovery	83%	BS 4939
RESISTANCE TO CRACKING	Not greater than 50mm	Pass	BS 5808
ODOUR	No objectionable odour	Pass	BS 5808
LOAD DEFLECTION AT 25% COMPRESSION (KN/m²) AFTER CYCLIC CONDITIONING		33
THERMAL RESISTANCE (TOG)No objectionable odour		0.85	BS 4745
END OF CLASSIFICATION	HC/U		BS 5808

Sound and Electrical Resistivity Tests

SOUND ABSORPTION CO-EFFICIENT		ELECTRICAL RESISTIVITY (BS 6654)
BS 3638	0.23	25% RH Horizontal Resistance (ohms)	3.9 x 10¹¹
IMPROVEMENT IN IMPACT SOUND (BS 2750)		65% RH Horizontal Resistance (ohms)	4.4 x 10⁸
Insulation at 250 Hz (dB)	15.0	25% RH Horizontal Resistivity (ohms/cm²)	3.6 x 10¹²
Insulation at 500 Hz (dB)	25.1	25% RH Horizontal Resistivity(ohms/cm²)	4.1 x 10⁹
Insulation at 1000 Hz (dB)	48.0	25% RH Vertical Resistance (ohms)	2.4 x 10¹¹
Insulation at 2000 Hz (dB)	65.0	25% RH Vertical Resistance (ohms)	1.6 x 10⁸
		25% RH Vertical Resistivity (ohms)	1.4 x 10¹³

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