Recent content by hollowbaron

I'm fairly sure its felt. Guessing because it looks like it was done many years ago. It feels like felt, but don't know what membrane looks or feels like. It is black colour. If this is relating to puting insulation between roof joists, I thought mineral wool which is what I have five rolls...

I recently had external insulation fitted to the walls outside the house. This is a foam type with synthetic render. The width of the external insulation is 100mm. This was done for free by the government in my area. It is a timber framed house built in 1960's. Everything else has been done...