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Underlay : Durafelt
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. Pre-compressed felt
. Ideal for seamed carpes
. High strength/weight ratio
. Clean felt with 20% natural fiber content
. Minimises carpet rucking
. 1.83 m wide ideal for 'body' carpets
. Outstanding dimensional stability
. Handles well and lays flat
. Good sound insulation properties
. Flame retardant
   

DURAFELT is a high quality, densely constructed and resilient felt underlay for heavy contract use.

DURAFELT is especially suitable for use with Axminster carpets due to superior quality of joints, and is regularly used for corridor installations and restaurant installations where there is a high degree of wheeled traffic.


TECHNICAL SPECIFICATIONS:
(Test Results To BS. 5808: 1991 - British Standard For Carpet Underlays)
SPECIFICATION BS REQUIREMENTS RESULT METHOD
WEIGHT
 900 g/m²
  
THICKNESS    8.0 mm BS 4051
ROLL SIZE   1.37m x 11m  
BREAKING STRENGTH
Length
Width		 Minimum 40N/5 cm
(N/5 cm)
(N/5 cm)		  
432 N
413 N		 BS 2596
EXTENSION UNDER FORCE
Length
Width		 Maximum 10% @ 40N  
100%
0.97%		 BS 2576
WORK OF COMPRESSION Min. 60 J/mē after dynamic loading for 1000 impacts 67 J/mē BS 4098
RETENTION OF WORK OF COMPRESSION Min. 40% of original after dynamic loading for 1000 impacts 72% BS 4098
& BS 4052
LOSS IN THICKNESS AFTER DYNAMIC LOADING Max. 40% after 1000 impacts 14% BS 4052
LOSS IN THICKNESS AFTER STATIC LOADING   25% 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/mē) AFTER CYCLIC CONDITIONING 32  
THERMAL RESISTANCE 0.98 BS 4745
ORIGIN Belgium
END OF CLASSIFICATION HC/U BS 5808

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