![Family sitting at table behind large window at night.](/sites/default/files/public/styles/page_header_large/public/2022-04/Reynaers-Aluminium-Air-tightness-2.jpg?h=61f1cca7&itok=cIih6uID) 09 March 2022 # Maximum air tightness ensures ultimate living comfort Air tightness is a key issue when it comes to saving energy and ensuring optimal living comfort. But what should you look at when it comes to the air tightness of your aluminium profiles? We explain this crucial concept in detail. Addressing the air tightness of the building façade, windows, and (sliding) doors helps you to achieve excellent thermal insulation levels. Moreover, maximise the performance of ventilation systems and avoid excessive energy costs thanks to airtight building connections by Reynaers Aluminium. ![Façade specialist installing curtain walls on a high-rise building.](/sites/default/files/public/styles/landscape_small/public/2022-03/Reynaers-Aluminium-Air-tightness-1.jpg?h=7721ddbf&itok=Xdf1Vl1j) Copyright **Antwerp Tower** – Wiel Arets Architects, ELD Partnership (architects) Share this story - [f](https://www.facebook.com/sharer/sharer.php?u=https%3A//www.reynaers.com.au/markdownify/node/6290%3Futm_source%3Dfacebook%26utm_medium%3Dsocial%26utm_campaign%3Dwebsite) - [t](https://twitter.com/intent/tweet?text=https%3A//www.reynaers.com.au/markdownify/node/6290%3Futm_source%3Dtwitter%26utm_medium%3Dsocial%26utm_campaign%3Dwebsite) - [l](https://www.linkedin.com/shareArticle?mini=1&url=https%3A//www.reynaers.com.au/markdownify/node/6290%3Futm_source%3Dlinkedin%26utm_medium%3Dsocial%26utm_campaign%3Dwebsite) - [p](https://pinterest.com/pin/create/button/) - [m]() ## You might also like [ See all stories ](/stories) - ![Girl entering white house via fingerprint scanner technology.](/sites/default/files/public/styles/teaser_medium/public/2022-03/Reynaers-Aluminium-smart-building-3.jpg?h=35756bb6&itok=BCbyUfqr) ### Turn your house into a smart home with Reynaers Aluminium [](/inspiration/stories/turn-your-house-smart-home-reynaers-aluminium) Read this - ![Interior view of penthouse apartment featuring HiFinity sliding systems.](/sites/default/files/public/styles/teaser_medium/public/2022-03/Reynaers-Aluminium-sliding-doors-2.jpg?h=16a6ccf5&itok=Ao4fZcFv) ### The right sliding door for your building project [](/inspiration/stories/right-sliding-door-your-building-project) Read this [ See all stories ](/stories)