Alpine Windows and Patio Doors
Dependable Distributing is an authorized Alpine dealer
Alpine vinyl windows and sliding patio doors, made to order for builders, remodelers and installers. Send us your openings and we will send back a quote.


Authorized dealer
Dependable Distributing is an authorized Alpine dealer
We quote, order and coordinate Alpine windows and patio doors for your project. Every unit is built to your opening sizes, with the frame, glass, color and grid options you choose.
Lead time: quoted per order.
Product lines
Alpine windows and patio doors
Alpine 70 Series
- Fusion-welded vinyl frame, 2-5/8" frame depth
- Integral nail fin with 1-3/8" or 7/8" setback
- 3/4" warm-edge insulating glass on single-hung and slider; 1" on picture windows
- Low-E glass standard; SolarTherm packages meet ENERGY STAR 7.0 in all climate zones
- STC-rated units available
- Colors: White, Almond, Desert Clay
Styles shown: single hung, slider, picture.
Alpine 80 Series
- Heavy-duty vinyl frame, 3-3/8" frame depth, multiple nail-fin setbacks
- Styles: slider, single hung, picture and special shapes, casement, awning
- Casement and awning carry a "Commercial" rating
- 1" nominal warm-edge insulating glass; triple glazing available
- SolarTherm PriME (triple pane, 3 Low-E, 2 argon) meets ENERGY STAR Most Efficient
- Colors: White, Almond, Desert Clay; Black, Architectural Bronze or Silver exterior with White or Almond interior; Black exterior laminate (White interior)

Alpine Montrose
- Narrowline fusion-welded vinyl with composite meeting-rail reinforcement
- Standard block frame; options: 1" or 1-3/8" nail-fin setback (each with or without J-channel adapter), stucco fin
- Base double-hung units over 48" W or 84" H are automatically upgraded to steel reinforcement
- Double-strength warm-edge insulating glass; SolarTherm PriME available
- Special shapes including circle top, arch and octagon
- Colors: White, Almond, Desert Clay; Black, Architectural Bronze and Silver exterior with White or Almond interior
Styles shown: double hung, casement, awning.

Alpine Westbridge 6500 sliding patio doors
- Multi-chambered vinyl frame
- Stucco fin, 1-3/8" or 2" brickmould, or nail fin (nail fin not factory-applied)
- Set widths: 2-panel in 5', 6' or 8'; 3-panel in 9' or 12'; 4-panel in 12'
- 1" insulating glass with Super Spacer; SolarTherm PriME available
- Colors: ask for colors
- Classic, Contemporary and French styles

Request a Quote
Send us your window schedule
Send us your openings, sizes, styles, series, colors and need-by date through our quote request form.
Lead time: quoted per order.
FAQ
Frequently asked questions
Is Dependable Distributing an authorized Alpine dealer?
Yes. Dependable Distributing is an authorized Alpine dealer and quotes Alpine windows and patio doors.
Which Alpine lines can I order?
The 70 Series and 80 Series for new construction, Montrose for replacement, and Westbridge 6500 sliding patio doors.
How long does an order take?
Lead time is quoted per order.
Are the windows energy efficient?
Low-E glass is standard on the 70 Series, and Alpine SolarTherm packages meet ENERGY STAR 7.0 in all climate zones. SolarTherm PriME, available on the 80 Series, Montrose and Westbridge 6500, meets ENERGY STAR Most Efficient. Patio doors are rated under the ENERGY STAR door criteria.
Where do I find U-factor and other ratings?
Ratings depend on the size, style and glass package, and are based on NFRC ratings at the time of quote. Ask us for the ratings for your units with your quote.
What warranty comes with Alpine windows?
Alpine offers a lifetime limited residential warranty on the vinyl sash and mainframe for as long as the original purchaser owns and lives in the home, with separate terms for glass, hardware, screens, color and labor.
How do I get pricing?
Every order is quoted. Send your window schedule through our quote request form.
Alpine is a trademark of Associated Materials, LLC. Alpine products are made by Associated Materials Innovations, a division of Associated Materials, LLC. Trademarks mentioned on this page are the property of Associated Materials, LLC, its affiliates, or their respective owners. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. Super Spacer® is a registered trademark of Quanex IG Systems, Inc.