Add Yahoo as a preferred source to see more of our stories on Google. Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from ...

Imagine a cold, wet, windy day. You can take an umbrella to protect you from the water alone, but that won’t deal with the cold (temperature) or the wind (air convection). You can add in a light ...

Q In your recent answer to a query about loft insulation and condensation (January 18), you said an impermeable vapour barrier should be installed. Can you explain what this is – what type of material ...