Hi,

(I originally posted the following under Ventilation, but since I haven't received a response there, I'm trying here instead).

In another thread, I write about my renovation, where I'm building a new lecablock wall inside the existing timber-framed wall:
https://www.byggahus.se/forum/threa...ligt-korsvirkeshus.484111/page-2#post-5514853

In the room inside the lecablock wall, I will have it open up to the ridge. I've been thinking of installing a ventilation duct through the walls (2. in the picture) to ventilate the room since it's an older house with natural ventilation otherwise.

Am I right in thinking of having ventilation there?

On warm days, would you then want a fan in the duct to extract warm air?

Best regards,
Mats
 
  • Cross-section drawing of walls in a renovation project, including a new LECA block wall and ventilation channel, with labeled layers and materials.
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