Can a home be too airtight? / Green Building & Sustainable Home Renovation Information & Advice

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is An Air Barrier?

...airable: access for repair if damaged. A sampling of air barrier materials and techniques: House wrap: Also known as Water Resistive Membranes (WRBs), brand names include Tyvek and Typar. While its intent is largely as a breathable membrane to protect against water penetration behind cladding, it can be an effective ai...