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Rooflights and Roofglazing by Vitral

Roof Glazing, U-values and Part L

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Vitral's rooflights and roof glazing systems are able to achieve the industry's lowest U-values due to the focus on their construction.

uvaluesmall
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Vitral achieves an overall system U-value of lower than 1.6W/m2K.  This figure includes the glass, with it's mid pane U-value of 1.1W/m2K, and the frame of the Vitral sytem, plus the head and cill detail.

This is only possible due to the thermal efficiency of the frame.  Other systems focus entirelly on the U-value of the glass, or the mid pane value itself but these do not give an accurate figure for the thermal performance of the roof glazing.

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Prestonpans Library

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  • Typical U-value 1.54W/m2K
  • Air Permeability to Class 4 at 600 Pa
  • Minimal frame means maximum light and reduces U-values
  • High quality construction that provides long term life expectancy and will not deteriorate

Smoke Evacuation

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VITRAL is at the forefront of providing solutions for ‘Full Life Safety Smoke Evacuation’ our SHEVs are now fully compliant with EN 12101-2 which has superseded the now obsolete BS7346; a feat as yet unachievable by many of our competitors.

If you have a project that requires smoke venting for Full Life Safety Smoke Evacuation, we strongly recommend you consult with us at the earliest possible stage to ensure your building will comply with the latest regulations. Please contact our technical office on 01223 499 000.

Please read on for more important information this subject...

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VITRAL UK Ltd. 17, High Street, Whittlesford, Cambridgeshire, CB22 4LT - Tel: 01223 499 000 - Fax: 01223 499 001
VITRAL Ireland, 35 Westland Square, Pearse Street, Dublin 2 - Tel: 01 670 6269 - Fax: 01 684 0040
© 2003 VITRAL A/S ® VITRAL is a registered trademark used under licence by the VITRAL Group.