Durable and Efficient Design Features of our 500-600, 800-900 series windows make Thermal-Gard windows a top choice by home builders!
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specifications for the 500-600 series
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R35 (DP) structural performance,- Upgradeable to R50
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Frame and sash have multiple hollowsfor strength and energy efficiency
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True slope sill non-weeped design with dual weather-stripping for high performance
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Double wall interior sill leg allows smoothsash operation
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All fusion welded sash and frame for a durable window
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Exterior contoured frame designleaves 3/4” surface for blind stopapplication
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Recessed “tilt” latches provide a cleanlook to the inside
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Exterior glazing bead
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Full-length weather stripping in meeting rails
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Sash have wider and deeper interlocks for reduced air infiltration
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Features a sweeping sash lock that systematically seals both sides at once. Additional lock is added to windows of extra width.
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Sash have generous recess located below insulated glass unit to channel water away
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Sash has integral lift handle for strength and durability
- Tilt-Take Out sash design for easy cleaning
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