Pella 150 Series New Construction 35 1 2 in x 53 1 2 in White Vinyl Low E Argon Double Hung Window with Grids, Full Screen Included 2 Compartment Locker 58 in Manufacturer Warranty Limited Routed Post 58 in Manufacturer Warranty Limited Lifetime Mechanical and Finish Warranty Certifications and Listings ANSI Certified tiles with recommended 1 8 in 30 Sound Transmission Control (STC) Rated Yes ENERGY STAR Certified Southern Zone Yes ENERGY STAR Certified North Central Zone No ENERGY STAR Certified Northern Zone No ENERGY STAR Certified South Central Zone No Florida Product Approved Yes Texas Department of Insurance Approved Yes Hurricane Approved No Meets CA Forced Entry Requirements Yes Meets Title 24 No Meets Wildland Urban Interface No Wood Jamb Extension None Warranty Limited lifetime Balance System Constant force Weight (lbs Q: What type of glass and insulation does it use