Is a damp proof membrane necessary?

Is a damp proof membrane necessary? A damp-proof membrane is required when using certain insulation materials – such as mineral wool, cellulose, etc. – to prevent damp from working its way into the insulation. Where insulation is concerned, fitting a damp-proof membrane is important, as it safeguards the insulating properties of the material. Do I … Continue reading Is a damp proof membrane necessary?