SilverSark® xR

Extra R-value

SilverSark xR Hero

Features and Benefits

Bushfire Attack Levels

Ametalin SilverSark® xR is suitable for use in roof systems BAL– LOW to BAL – 40 and wall systems BAL – LOW to BAL – FZ to comply with AS 3959—2009 Construction of buildings in bushfire prone areas.

Product Details

Product CodeDutyThicknessWidthLengthArea per roll
XHD-XR-45Extra Heavy0.17 mm1500 mm30 m45 m²
XHD-XR-81Extra Heavy0.17 mm1350 mm60 m81 m²

Ametalin SilverSark® xR is designed for use as insulation and condensation control under metal and tile roofs in residential, commercial and office buildings in all regions of Australia. It is also suitable for use as a wall wrap, particularly in brick veneer systems.

Install SilverSark® xR facing an air space on either side for increased reflective R-value. SilverSark® xR reduces the need for additional wall insulation, and increases overall thermal performance of the building system

*NOTE: Please check cladding manufacturer’s requirements before installation. Regions north of the Tropic of Capricorn in NCC 2. 

Residential RoofWinterSummer
22° Pitched metal roof with flat ceiling ventilatedRT 1.2RT 1.9
22° Pitched tile roof with flat ceiling unventilated RT 1.1RT 1.7
Commercial Metal Deck Roof
5° Pitched metal roof with 1000mm suspended ceiling RT 1.2RT 4.3
Brick Veneer Wall
One layer of SilverSark® xRRT 1.8RT 1.5
Double Brick Cavity Wall
One layer of SilverSark® xRRT 2.0RT 1.8

When specifying, state the following:

Product Name: SilverSark® xR
The insulation to be installed shall be SilverSark® xR Extra R-value reflective laminate with anti-glare, emittance bright side 0.03, anti-glare side 0.07. Product is manufactured by Ametalin and shall be installed in accordance with AS 4200.2:2017 Pliable Building Membranes and UnderlaysPart 2: Installation Requirements.

Flammability Index: Low ≤ 5 
Duty: Extra Heavy in accordance with AS/NSZ 4200.1:2017 
Vapour Control: Class 2 Vapour Barrier 
Vapour Permeability: 0.0078 µg/m²·24 hr 
Water Control: Water Barrier 
Emittance Bright Side: 0.03, Anti-glare Side: 0.07 
Emittance Classification: IR Reflective, IR Semi-reflective
Category: RS

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