Laminated Glass with DuPont™ Butacite® Polyvinyl Butyral (PVB) Interlayer Butacite® PVB allows glass in windows and doors to break safely with glass fragments staying adhered to the interlayer. It minimizes injuries from flying glass after a bomb blast, as well as provides intrusion resistance from burglars who attempt to enter homes through windows and doors. Butacite® PVB provides hurricane protection that is incorporated into windows and glass doors, enabling them to meet the stringent hurricane building codes established in southeastern Florida, as well as code requirements in the International Residential Code and the International Building Code covering the coast from Texas to New England. Butacite® PVB is an excellent barrier to reduce the noise from traffic, lawnmowers, boats, barking dogs and low flying airplanes. It also screens out the damaging effects of harmful UV rays. 
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