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This model  is distinguished by its enhanced durability paired with an excellent quality-to-price ratio. The ventilation valve built into the upper part of the sash significantly increases the comfort of everyday window use by enabling airing of your room even when the window is fully closed.


AVY B900 windows offer impressive thermal insulation parameters of 1.3 W/m²K thanks to their modern glazing unit featuring two low-emission (heat-reflective) coatings, which prevent overheating of your room in the summer and heat loss during winter.


The windows also perform excellently on other criteria, with class E1350 water tightness and class C4 wind load resistance clearly demonstrating that, , the windows are ready to handle any atmospheric conditions. Its toughened (highly shatter-resistant) external pane is an addition that ensures an enhanced level of safety.


Wood quality is also a significant factor - the wood used in the manufacture of Solstro windows is of the highest quality and is obtained exclusively from FSC certified sources, guaranteeing sustainable sourcing.


Solstro AVY B900 windows offer not only impressive parameters but also convenient everyday operation. Their centre pivot (hinges mounted at half window height) and handle mounted at the base of the window sash ensure easy accessibility. The handle offers two positions that enable you to ventilate your room without needing to fully open the window.


An important addition to the windows' high quality and functionality is the 10-year guarantee that comes with all Solstro windows (provided that they are installed using the original flashing kit).



Solstro roof windows are suitable for roofs with a pitch of 15-90 degrees when used with the correct flashing.

How to achieve a successful installation 

Correct installation is essential for the success of your project. Therefore, we have made every effort to help you by creating easy-to-use installation guide, which you can find here. Download the PDF or watch the video for your Solstro product. If you cannot find the information your are looking for, please contact info@theroofwindowstore.co.uk

To keep your Solstro wood roof window looking beautiful for longer, you simply need to sand and then re-lacquer the wood with any water-based lacquer. Grease the hinges every 1-2 years.

The air filter can be removed and washed with ordinary household cleaners. Fully rotate and secure the window in cleaning position, then remove the filter from the filter rail.

You'll find a complete guide to cleaning and maintenance of this window here.