The superior performance of Alside's Sheffield Replacement Windows starts with innovation. Every precision-engineered component contributes to superior energy savings. The multi-chamber design helps trap dead air to produce an effective barrier, while the extra thick, fusion-welded frame and sashes provide superior structural strength and create a permanent barrier against the weather and air and moisture infiltration, adding up to greater energy savings – and lower utility bills.
Alside's Sheffield Replacement Windows feature a sloped sill helping to prevent air and water infiltration while maintaining a timeless, detailed appearance. Beveled mainframe on double-hung and sliding windows complement any home's style.
Alside's Sheffield Replacement Windows are also covered by their impressive Lifetime Limited Warranty* for complete peace of mind.
*See printed warranty for complete details
Features and Benefits
The multi-chamber design of the Sheffield Window helps trap dead air to produce an effective insulating barrier
Fusion-welded frame and sashes provide superior structural strength and create a permanent barrier against air and moisture infiltration
Ensuring easy operation, the constant force balance system and heavy-duty operating hardware continue to operate perfectly, even after decades of regular use
Heavy-duty SteelForce™ reinforcement is placed within the sashes at the meeting rails to ensure extra protection at this very critical and often used location
The Intercept Spacer System helps reduce conducted heat loss through the window and is better at retaining insulating gas than many conventional designs
Triple-barrier weatherstripping between the sash and jamb for superior protection from air and water infiltration
Sloped sill helps prevent water and air infiltration, forcing water to drain to the exterior of the window
Optional ClimaTech insulated glass packages available. Consult your window professional for the optimal glass package required for your home and climate zone