4800 Series | Double Hung Vinyl Window
The 4800 Double Hung features a patented “candy cane” operating jamb stop which seals the ends of the interlock rail and the face of the lower sash with perfection. No other double hung has it. The 4800 is quite possibly the tightest double hung of any double hung made today.
- Multi-chambered Fusion-Welded Vinyl
- Multiple Areas of Internal Aluminum Reinforcements
- “Assist Operated" Block and Tackle Balances