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 The superior performance of Sheffield® 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 insulating barrier, while extra-thick, fusion-welded frames and sashes provide superior structural strength and create a permanent barrier against air and moisture infiltration, adding up to greater energy savings – and lower utility bills.
Sheffield windows feature a sloped sill helping to prevent air and water infiltration while maintaining a timeless, detailed appearance. Beveled mainframes on double-hung and sliding windows complement any home style.
Best yet, Sheffield windows are covered by Alside’s impressive Lifetime Limited Warranty* for complete peace-of-mind.
*See printed warranty for complete details
Options Include:
ClimaTech® insulated glass package
Standard, contour or brass grids
Colonial or diamond grids, groovedglass patterns
Light oak, dark oak and cherry woodgrain interior finishes
American Brown exterior with white or beige interior
Beige exterior with an optional white laminate woodgrain interior
Full fiberglass screens available
Obscure glass
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