Oxford Reinforced Vinyl Slider Windows:

• STRUCTURAL STABILITY: PVC Virgin Vinyl multi-cavity main frame reinforced with HDR composite bar and aluminum jamb sleeves; Double fusion-welded sash frames are reinforced with a proprietary composite HDR Bar
• SUPERIOR THERMAL ENERGY EFFICIENCY: 7/8” insulating glass depth; Three pieces of float glass-two having multiple Solarban 60 heat reflective soft coat Low-E layers and Proprietary Delta-8 gas-filled cavities all sealed with a warm-edge heat-sealed spacer system; 1/2″ deep interlock at meeting rail and 3/4″ at the head section
• ENERGY STAR RATED:  .24 U-Value with Super Triple-E Delta-8
• Super easy inside cleaning – both sash tilt-in 
• Fingertip operational ease with a minimum of 8 wheels per sash
• Sash slide and remove for super easy inside cleaning
• Extruded screen rails, heavy-duty corner keys, lift tab for easy removing
• Full fiberglass memory mesh screens are standard on 2-lite versions
• Precision weep holes for optimum draining
• Adjustable 100lb. pressure alignment clips on both jamb sides
• 5-Air Barrier sloped step sill incorporates a unique weep hole system
• Exclusive windjammer flexible weather seal
• Full-length lift rails incorporated into the interior snap-in glazing bead
• Heavy-duty dual sash cam locks and twin tilt-in locking latches
• Ventilation lock incorporated a steel spring
• Multiple locations of replaceable weatherstripping
• Adjustable 100lb. pressure alignment clips on both jamb sides
• Memory fiberglass mesh 1/2 screens with screen tabs for removable ease are standard
• 40-Year transferable warranty…far better than a lifetime warranty