- FUSION-WELDED SASH AND MAINFRAME STRUCTURE for added strength and rigidity. Tough, extra-thick extrusion walls provide the ultimate in welding strength.
- DUAL VENTILATOR LOCKS, a secure way to keep windows open for ventilation.
- FULL BALANCE COVERS help protect against air infiltration while adding a finished look to the window frame.
- CONSTANT FORCE BALANCE SYSTEM eliminates sash cords, weights and pulleys, and provides easy fingertip operation.
- TILT-IN TOP AND BOTTOM SASHES make cleaning safe and easy from inside the home.
- TRIPLE-BARRIER WEATHERSTRIPPING between the sash and jamb for superior protection from air and water infiltration.
- FULL OR HALF FIBERGLASS SCREENS provide ventilation while keeping insects out.
- LIFE OF THE HOME WARRANTY
Sheffield 's superior performance starts with innovatively engineered components that provide the basis for superior energy savings. The multi-chamber design of the Sheffield Window helps trap dead air to produce an effective insulating barrier, while fusion-welded frames and sashes provide superior structural strength and create a permanent barrier against air and moisture infiltration. A special multi-layer weather stripping and a superior sash interlock system offer additional barriers to air infiltration adding up to a greater energy savings – and lower utility bills.
Sheffield 's Intercept™ Warm Edge Spacer System with high-efficiency insulated glass creates an effective barrier that helps to prevent heat loss during winter or heat gain during the hot summer months. The quality construction ensures that it won't rot, peel, split, corrode or pit. The premium virgin vinyl (PVC) forms the extra-thick walls of Sheffield 's sturdy frames and sashes. It's tough, durable and other than an occasional washing, requires minimal maintenance.
To ensure easy opening and closing of the Sheffield Window, the Constant Force balance system and E-Gard operating hardware will continue to operate perfectly, even after decades of regular use. A sloped sill helps prevent water and air infiltration while maintaining the timeless detailed appearance characteristic of double-hung windows. Beveled mainframes on double-hung, sliding and casement windows provide a finished appearance complementing every home style.
2. MULTIPLE AIRTIGHT INSULATING CHAMBERS help reduce conduction and cut high energy bills.
3. QUAD 4 WEATHERSTRIPPING at the header adds even more protection from the elements.
4. INSULATED GLASS unit with optimal air space improves year-round performance.
5. PPG INTERCEPT™ WARM EDGE SPACER SYSTEM maximizes window performance and longevity.
6. INTERLOCK AT SASH MEETING RAILS create a super-tight seal against air infiltration, providing security, comfort and well being.
7. METAL REINFORCEMENT adds strength at the meeting rails.
8. DROP-IN GLAZING provides energy efficiency as well as interior aesthetic appeal.
9. COMPRESSION BULB SEAL at the sill creates an all-season weather barrier.
10. SLOPED SILL ensures quick water drainage to the exterior.
11. HIDDEN SCREEN TRACK produces clean lines and added beauty.