H3 FeelSafe casement and double-hung windows from Sierra Pacific combine the look of a wood window with a PG +50/–60 Wind Zone III rating. The design integrates extruded aluminum, vinyl, and wood to improve energy efficiency and performance. Double-hung sizes go up to 48 inches wide by 84 inches high, and casement size options go up to 36 inches wide by 84 inches high. Several insulated impact glazing and design options
are available.
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