
Thermal Industries is
proud to offer our
customers products with
the ENERGY STAR label.
305 Double Hung Windows—Features
• Solid Vinyl, Multi-Chambered Construction |
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| The 305 Series double hung will not chip, peel or rot; never requires scraping or painting. | |
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• Fully-Welded Double Hung Window Frame & Sashes |
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| Provide added strength and enhanced thermal performance. |
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• Sloped Sill with the Integral Reticulating Foam™ Weep System |
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| Resists air infiltration and improves water drainage. | |
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• Block & Tackle Balance System |
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| Assures a lifetime of trouble-free double hung window sash operation. | |
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• Dual-Pane 13/16" Insulating Glass with Warm-Edge Technology |
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| For enhanced thermal performance; reduces condensation and seal failures. | |
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• Interlocking Sashes |
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| Prevent drafts and help prevent forced entry. | |
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• Dual Q-Lon & Finseal Weather-Stripping Seals at Meeting Rail |
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| Prevents air and water infiltration at the meeting rail of your double hung windows. | |
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• Q-Lon Seal at Sill |
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| Creates a weather-seal preventing air and water infiltration. | |
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• Block & Tackle Balances |
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| Provide years of smooth and easy sash operation. | |
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• Vinyl Lift Rails |
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| Full width rails on both sashes assure easy sash operation. | |
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• Round Housing Locks |
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| Provide increased security. | |
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• Night Vent Latches |
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| Safely ventilate your home. | |
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• Recessed Tilt Latches on Top & Bottom Sashes |
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| Assure safe and easy sash cleaning of your double hung windows from inside your home. | |
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• Half Screen |
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• White Color |
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305 Double Hung Windows—Options
• Peak Performance™ Glass, a dual pane insulating lass package with Low-E, Argon Gas and Warm-Edge Technology |
• Obscure Glass |
• Shaped Accent Windows in a Variety of Styles |
• Earthtone Color |
• Maintenance-Free Internal Grids: Square, Flat, Contour Wide, Contour Narrow |
• Full Screen |
• Invisi-Screen®—Fiberglass screen that provides an enhanced outdoor view, more light transmittance, improved airflow, and increased insect protection. |
See more Double Hung Window images in our photo gallery.


