VR90 – VENTROLLA’S WOOD REPAIR SYSTEM

Ventrolla inspects more than 100,000 sliding sash windows per year, and finds on average only a small percentage of wood needs to be replaced. Ventrolla have de...

LESSONS IN RENOVATION

As the UK feels the repercussions of the change in Government since the election earlier in the year, one spending cut stands out for the education sector. The ...

IT’S ACTUALLY QUITE EASY BEING GREEN

Whether it’s to help save the planet or simply ease the strain on your wallet, reducing energy consumption is something every homeowner needs to be thinking abo...

It’s all about renovating sash windows the green way!

When renovating casement or sash windows, our aim is to minimise Ventrolla’s impact on the environment and develop busi...

No more noisy windows

Ventrolla London Commercial, the sash window renovation specialist, has successfully completed an £80,000 project on 44 residential flats in Greenwich. The comp...

RIBA approved CPD worth double points

RIBA CPD Network Replacing windows can result in unnecessary complications, higher costs to the client, loss of the building’s character and a negative impact o...

Case studies finally done……….!!!

Finally completed all the case studies…… in need a very strong cup of coffee right now. For those of you wanting to know a little more about our wor...

It’s oh so quiet……..

Sliding sash windows normally require at least 3mm of perimeter gap to slide properly. In an average sized window of 1.2m x 1.8m, the aggregate gap area would b...

GANTS HILL LIBRARY GETS THE VENTROLLA TOUCH!

Ventrolla have just completed repairs on 12 period timber windows at Gants Hill Library in Ilford.  It took three months to complete and involved extensive repa...

Enjoy reduced VAT rate on energy saving materials

While the government has confirmed a rise in the standard rate of VAT to 20%, a number of energy saving materials still quali...

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Timber sash and casement window renovation.
Call us free on 0800 0277 454 (UK) or 1-800-948-359 (Ireland)

Air Changes & Infiltration

Reduced Air Change Rate to 0.4 acph, DiagramOne of the main inherent problems with sash windows and other original wooden windows are draughts and rattles.

Draughts impact on the number of air change rates in a room and hence the amount of energy you spend reheating air that is displaced.

To minimise this you can install a quality system draught proofing system, such as the Ventrolla system, tested to British Standards BS 6375 Part 1 2004 which is the most rigorous standard for measuring the air infiltration performance of windows.

Independent testing by the British Board of Agrément (BAA), assessment report number 2771, has shown that Ventrolla’s Perimeter Sealing System (VPSS) meets the highest requirements of BS 6375, achieving the highest standard Class 3, which is equivalent to winds of up to 71 mph.

By installing Ventrolla’s Perimeter Sealing System, the air-permeability and hence air-change rates, are significantly reduced - down to 0.4 acph.

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For a copy of our Independent Testing call 01423 859 323 to speak to our Technical Team.