Am seeing some condensation issues on the plywood of the GRP valleys in my loft.
Can anyone suggest soffit vent options to beef up the soffit vents in this area?
I know you can get round ones but would like to fit something with more airflow that I can fit as indicated...
Can anyone suggest soffit vent options to beef up the soffit vents in this area?
I know you can get round ones but would like to fit something with more airflow that I can fit as indicated...