With its weighted sound reduction index exceeding 39 dB, LandVac makes rooms in downtown quiet like a library.

Thanks to the high vacuum chamber of LandVac , which effectively blocks the sound transmission, the sound insulation performance is far better than insulated glass. It has remarkable acoustic properties against high penetrative medium and low frequency noises such as traffic and construction noises. 

U-value as low as 0.4W/(m²•K). A 8.3 mm thick LandVac has better thermal insulation effect than the 1.5m thick brick wall.

Thanks to the high vacuum chamber of LandVac, which effectively blocks the thermal transmission, the thermal insulation performance of LandVac is 2-4 times better than insulated glass and 6-10 times better than single pane glass. The properties of this product meet all international thermal transmittance requirements on windows and doors for passive houses.

Surface stress and fragmentation test meet tempered glass standards with resistance to wind load up to 7200Pa. 

The edge sealing material has passed the CTI test.  Lead-free and pollution-free. Green and environmental friendly.