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Sound absorption
Conversion of sound energy into heat when passing through or striking a material or when causing a volume of air to resonate

low = <0.45
medium = >0.45, <0.65
high = >0.65

 

 Sound attenuation
Term used in relation to the transmission of sound between rooms sharing a common plenum

low = <30 dB
medium = 30<dB<35
high = >35 dB

 

 Light Reflectance
Indicates the quantity of light reflected by a surface, expressed as a percentage value

1 = <75%
2 = 75<%<85
3 = >85%

 

 

 
Fire performance
All Armstrong ceilings (except Madera which is Class 1) provide Class 0/Class 1 against BS 476 		 
Humidity Resistance
Ceiling tiles ability to perform without sagging

1 = 70%
2 = 90%
3 = 95%
4 = 100% 		  Washability
Occasional cleaning with moist cloth or sponge damped in water containing mild soap or diluted detergent
Scrubbability
For applications where cleanliness is a priority, tiles may require cleaning beyond normal maintenance procedures

 

 High pressure water cleaning
Can be cleaned using a high pressure water spray

 

 Antimicrobial
Offers specific performance against bacteria, mould and mildew
Hygiene
Suitable for areas, which have hygiene as a key requirement (food, health, pharmaceutical, computer industries)

 

 Demountability
Ceiling system where the access to the plenum is very easy

 

 Durability
Overall ability to withstand cleaning, scrubbing, scratching and impact
Scratch resistance
Superior level of surface scratch resistance, evaluated with the Hess Rake test

 

 Impact resistance
High level of impact resistance, evaluated with the Preston impact test

 

 Weight
Average weight kg per 1m2
Thermal conductivity
Ability of the material to resist heat transmission

 

 Colours
Available as coloured product

 

 Dimension
Length and width expressed in mm
Edge detail
Board, Tegular, MicroLook (BE), Vector, SL2, K2C2

 

 Grid system
Recommended Trulok suspension system