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Double Hung
THERMALWELD SELECT FEATURES & OPTIONS
Click or hover over the Bolded Text below for image examples
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Duo-Tilt Lock
three actions include lock, unlock and tilt.
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Duo-Tilt System provides a secure, air-tight seal. Hidden tilt latch gives stylish look and stronger corner weld on meeting rail sash.
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Fusion welded frame and sash corners are strong and free from gaps. Corners are not compromised with knock outs or gaps.
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Intercept "Warm-Edge" Spacer System U-Channel design creates thermal barrier reduces heat loss. Optional Stainless upgrade.*
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True Position® ½" Balance System Springs travel with sash. This allows the sash to operate with significantly less friction and noise.
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Continuous Over/Under Interlock prevents air infiltration
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Sloped One Piece Sill for positive water drain-off; no water leaks.
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Innergy Rigid Thermal Reinforcements* provides greater support and insulation.
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Foam-Filled Extrusions* for extra insulation, in head, jamb, sill, sash.