Hello, from Maastricht

[Aisha]

Hello builders,

My name is Aisha. I live in Maastricht, the Netherlands. I’m renovating mij 250 years old marlstone barnconversion and for that reason, I’m interested in what you guys do to improve your old limestone or sandstone building. How you deal with moist coming from the walls, lime plaster, ecofriendly ways to insulate, floor heating and the like. I do have some experience with it, so if I can shed a light, I will be happy to do so. If you have experience with cork insulation on damp walls, I will be happy to learn from you. ( the moist transport itself through the walls is not to be solved, it’s the nature of marlstone to stay slightly moist)
Best regards, Aisha

[Redbeard]

Welcome.

 

I'd suggest dense, breathable insulants such as rigid wood-fibre or cork. You/we will need to try to build up a 'picture' of the 'slightly moist' nature of the marl. Breathable insulants can be a help to breathable walls. They are not an instant solution to wet walls. If this is a conversion, how are the internals finished? Plaster? If so, gypsum or lime? Plasterboard? Is it insulated or not?