Technical Information : Sash Window Renovation : Ventrolla
To obtain further technical information on performance levels click on the links below
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Using the Highest Performance Weather Seals Weatherfin provides a high performance weather seal with low friction sliding. |
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Achieving the Highest Standards for Air Infiltration Performance Independent testing by NAMAS approved laboratory confirmed that the Ventrolla Perimeter Sealing System, is the only system of its kind to meet the highest requirements of this British Standard |
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Improving Energy Efficiency and Comfort With the Ventrolla Perimeter Sealing System, air changes per hour are substantially reduced, achieving a 30% improvement in the Windows Energy Rating (WER). |
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A Reduction in Noise Minimising the air gap around the sash window frame with the Ventrolla Perimeter Sealing System was independently tested and fell within the 6-10dB noise reduction range. |
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