MCS - B&Y- Cloud9 FR4 - Tech Specs

Cloud 9 Flame Retardant 4

• Cloud 9 combustion modified core • suitable for heavy and general contract use • conforms to EC marine directives Recommended Areas of Use heavy and general contract use areas. suitable for contract, domestic and marine work. also suitable for use under wooden floors. Suitable for stretch-fit or doublestick applications

Standard specifications top surface

Printed corona treated polymer film

bottom surface

Corona treated polymer film

nominal thickness

4.00 mm

nominal roll weight

10.4 kg

22.9 lb

20 oz/yd 2

weight per unit area

690 g/m 2

roll length

11.0 m

36.0 ft

roll width

1.37 m

54 in


Lifetime of the initial carpet installation (when used in recommended areas)

BS. 5808 : 1991 test results - british standard for carpet underlays end use classification bs.5808

gc/u - hc/U

work of compression after 1000 impacts


>70 J/m 2

retention of work of compression


>90 %

loss in thickness after static loading


<5.00 %

loss in thickness after dynamic loading


<5.00 %

resistance to cracking

bs.5808 (a)


other relevant tests thermal resistance (tog rating)


0.9 tog

impact sound improvement index (Test/Rated to BS EN ISO 140-8 / BS EN ISO 717-2)

27 dB

international marine flamability test

imo 653


IMO - marine smoke & toxicity test

msc 61 (67)


Hot metal nut test


Pass - Low radius of effect

French epiradiateur

nfp 92-501

Pass Class M3

European type approval certificate conforms to european marine equipment directive (MED) 96/98/EC

Issue 2 30-mar-11

Disclaimer Whilst every effort is made to ensure its accuracy, the data on this sheet is meant for information purposes only. The typical properties listed are the result of extensive laboratory tests, but since Ball & Young has no control over the end use of each material, we cannot guarantee these results are obtained in practice. Users should conduct their own tests to determine the suitability of each material to its intended application.

Ball & Young Ltd A Vita Group Company

T: + 44 (0)1536 200502 F: + 44 (0)1536 269554 E.

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