Series 451 Horizontal Slider
Our top of the line Series 451 horizontal sliding new construction windows combine meticulous craftsmanship with the strength and maintenance-free beauty of rigid vinyl construction to deliver exceptional value and lasting durability. Both sashes are operable and optional low-e glass coating to delivers valuable year-round energy savings.
Where To Buy
Features & Benefits
- Beautiful, true brick mould exterior frame perimeter
- Tandem rollers ride easily along friction free glide channel
- Aluminum-reinforced lock rail and meeting rails add strength
- Integrated glide rail allows easy sash opening and closing
- Available in XO or OX configurations (sliding panel on left or right)
- Integrated J-channel (Series 461 available without J-channel)
- Half Screen comes standard
- DP 25 (size tested 70″ x 49″)
- Limited lifetime warranty
Energy Efficient Glass Options
Atrium windows and doors are engineered with state-of-the-art glass technology to give you outstanding thermal efficiency. With a full range of glass options and special insulated spacers, we have a glass package to fit any climate need or budget. Verify product specifics before ordering.
Low-E glass is coated with a microscopic layer of silver that reflects radiant solar energy while permitting visible light to pass through the glass, providing more comfort and lower energy costs.
Low-E Glass and Argon Gas
Argon gas works like an insulating blanket between two panes of glass to further improve thermal eciency and decrease outside sound levels.
Ultra Low-E Glass and Argon Gas
Choose our ultimate glass package for optimal energy efficiency and maximum cost savings. Ultra Low-E glass offers three invisible layers of silver coating in addition to the superior thermal performance of argon gas.
Vinyl Color Options
Exterior Paint / Laminate Options
Brick Red (Paint)
Dark Chocolate (Paint)
Hunter Green (Paint)
Device/Monitor screen settings may affect color shown. Please refer to actual window sample when selecting colors. Only use mild, water based household cleaner on painted product and rinse immediately with water. See full cleaning instructions for details. Grid offering limited to 5/8” contoured or SDL on exterior painted windows.
Available Grid Patterns
Available Grid Types
1-Inch Contoured Grid
3/4-Inch Flat Grid
5/8-Inch Contoured Grid
5/8-Inch Flat Grid
Simulated Divided Lites (SDL) Grid
New Construction Brochure – ( pdf | 1.66 MB ) Series 451 Feature Sheet – ( pdf | 192.82 KB ) Series 451 Slider Data Sheet – ( pdf | 273.15 KB )