
Don’t sacrifice strength at these critical barriers to your home. Signature windows use the most technologically advanced materials for maximized strength against harsh weather, intrusion, and health hazards.
| Strength and Security Features | |
|---|---|
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EnviroTherm Multi-chamber uPVC sash and frame extrusions create added insulation |
| Heavy duty sash stops and vent latches for added beauty and safety while still allowing ventilation | |
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Fusion welded master frame and sashes provide maximum strength at all corners and seal chambers adding to Signature’s insulation value |
| True sloped sill (not the snap-in type) eliminates weep holes that can clog | |
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Full interlock at the meeting rail provides added strength, security, and performance Endurex composite, non-metallic reinforcement at the meeting rails adds strength, limits conduction and convection, and maximizes energy efficiency |
| Locking balance shoe allows the sash to tilt while remaining secure in the frame | |
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MicroShield antimicrobial triple weather stripping and bulb seals provide maximum efficiency and resistance to air and water infiltration, mold, dust, fungi, pollen, and harmful bacteria |



