Tundra Series 6400
- Available as Replacement or New Construction with Brickmold, Nail Fin, or J. Fin.
- Special formula, rigid vinyl (PVC) construction for long-lasting beauty.
- Multi-chambered hollow, thermalized insulating system that ensures maximum insulating value and strength.
- Fusion welded 3 1/4” frame and sash.
- 1" LowE Squared argon
gas filled air space, insulated
glass.
- Full fiberglass screen.
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NFRC tested U-Values
Standard = LowE2/Arg/Clear = 0.30
LowE2/Arg/Clear/Arg/LowE2 = 0.22
Hopper Color
Choices
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