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Performance Tests successfully weather tested in accordance with BS6375 Pt 1.Complies with Doc. L for thermal transmittance.

WER

B

U Value

1.5W/m2K (using 1.0W/m2K glass unit)

Air

Class 4, 600Pa

Water

Class 9A, 600Pa

Wind 

Class AE, 2400Pa 

Document L

Compliant 

Weather  

BS 6375 Part 1:2009 Resistance to weather 

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