Polynum Sound
Thermal and Acoustic Reflective insulation made of two pure aluminum foil layers covering a single or double core layer of large bubble film specially formulated for increased acoustic attenuation.

Technical Specification

Property	Units	Dir	Value
Nominal Thickness	mm		1 kg / m2	2kg/m2
Emmisivity (ASTM C 1371)			0.05
Reflectivity (ASTM C 1371)		0.95
Heat Resistance (R) - Under Roof	m2•°C / W	Down	3.06	3.16
Heat Resistance (R) - Wall Cavity	m2•°C / W	Horiz.	1.69	1.81
Sound Transmission  Class (ISO 717 - 1)	DB Perp.		- 11	- 16
System STC Range (Inside Measurement)	DB	Out In	- 20 to - 50
Surface Flame Spread **(BS 476 : Part7)			Class 1
Water Vapour Transmission (ASTM E  - 96)	g / ft2.hr		0.018(method A)
Fungal Resistance Test (ASTM C 1338)			No Fungal Growth
Yeild (Nominal)	g / m2		1000	2000
Standard Roll Size	m x m		1.2 x 15	1.2 x 2.5
Standard Roll Weight (Gross)	kg		±18	6.0

• Tested by Warrington fire Research Centre Ltd. U.K. (Test Report No. 121611)

Optional: Fire - Retardant Formulated

Polynum products are designed and manufactured under control of a Quality Management System, which meets the requirements of ISO 9001:2000 as certified by