Soundproof / Energy Efficient Windows. Sneeze Guards / Business Partition Barriers. We insulate your existing windows from the inside of your home or office at 1/3 of the cost of replacement. Magnetite will offer you better thermal performance of your windows and block out as much as 70% of the outside noise. In addition, Magnetite insulating panels also reduce condensation build up and will block out 99% of the harmful UV light that fades floors and furniture. Trusted and used in many hotels, universities, offices and homes for the last 30 years in North America and Australia.