More window area usually means higher heating and cooling bills. Not the case with UltraMaxx Sliding Windows. A unique energy-smart and trouble-free design makes it a breeze to add beauty to your home.
- Fusion-welded sash and mainframe structure for increased strength and rigidity.
- Tough, extra-thick extrusion walls provide the ultimate in welding strength.
- Hidden screen track produces clean lines and added beauty.
- Double-barrier weatherstripping for superior protection from air and water infiltration.
- Nylon-encased dual brass roller system.
- Theft deterrent locks.