Wholesale windows & doors for dealers, builders and architects
The window & door solution hub

European style.
Diversified solutions.

High-performance, ultra-modern windows and doors with minimal frames, in aluminum, steel, uPVC and wood. Supplied wholesale to dealers, builders and architects across the US and worldwide.

No minimum orderFrom a single opening to a full building
Wholesale to the tradeDealers, builders, architects
35+ years of experienceIn windows, doors and façades
Nationwide & internationalOffices in Irvine, CA & Las Vegas, NV
Westline Windows

One partner for every opening.

From slim steel-look casements to lift-and-slide walls of glass, Westline sources, specifies and supplies high-performance European-style systems, so you can design without limits and order without minimums.

About Westline
Shop by material

Four materials. One standard.

Every system we supply is selected for performance, slim sightlines and lasting finish, whatever the frame is made of.

Diversified solutions

Every operating style, one source.

Mix materials and systems on a single project and order them through one partner, with one point of contact.

Westline WWN88 aluminum casement window profile
Windows

Casement & tilt-turn

Inswing, outswing, tilt-turn and fixed windows with slim, high-performance frames.

Explore windows
Westline WSD175 minimal sliding door profile detail
Doors

Sliding & lift-and-slide

Minimal sliders, lift-and-slide and pocket configurations for oversized openings.

Explore sliding
Aluminum bi-folding door profile section
Doors

Bi-folding doors

Panels that stack neatly aside to open a whole wall to the outdoors.

Explore bi-folding
Photo needed
Doors

Swing doors

Single and double entry and terrace doors, matched to your window system.

Explore swing doors
Photo needed
Doors

Pivot doors

Oversized statement entries that turn on a single pivot point.

Explore pivot doors
Aluminum curtain wall profile detail
Façades

Curtain wall & window wall

Floor-to-floor and slab-to-slab glazing for homes and commercial buildings.

Explore façades
Minimal-frame sliding door opening a living room to the garden
Sliding & lift-and-slide

Walls of glass. Barely a frame.

Ultra-slim interlocks, concealed tracks and oversized panels turn a wall into a view and open the room to the outdoors.

Two-, three- and four-track configurations
Lift-and-slide and pocket options
Motorized operation on select systems
Explore sliding systems
For dealers, builders & architects

Built for the trade.

Dealers01

A broad European-style catalog under one account, with no minimum order, so you can say yes to every opening your clients ask for.

Dealer inquiries

Builders02

Dependable lead times, certified systems and one point of contact, from the first order to the final install.

Request a quote

Architects03

Slim sightlines, large formats and the specs, sections and performance data you need to design with confidence.

Technical resources
Modern gray-clad house with dark aluminum sliding doors
Apartment with a slim aluminum slider opening to a terrace with a city view
Made to your specification

Anything but standard.

01

Made to order

Sizes, configurations and operating styles built to what the project demands.

02

Any finish

RAL powder-coat colors, anodized finishes and dual-color frames.

03

Glazing options

Dual or triple glazing, low-E, laminated and warm-edge spacers.

04

Coastal-grade

Qualicoat Seaside finishes built for salt air and waterfront sites.

Aluminum sliding doors in a luxury residence
Performance you can specify

Certified for energy, strength and the coast.

35+
Years of industry experience
NFRC
Certified energy ratings on rated systems
AAMA
Air, water and structural performance
Seaside
The only US distributor with Qualicoat Seaside certification
Supplier of Reynaers Aluminium systems
No minimum order
Irvine, CA · Las Vegas, NV
Recent projects

From the coast to the mountains.

Westline systems are installed in homes and buildings from New York to California.

Project gallery

Completed projects by location and system.

Product selector

Filter systems by material, type and performance.

Technical resources

Specs, sections and certifications to design and install.

Contact our offices

Irvine, CA and Las Vegas, NV. Talk to our team.

Start a project

Tell us about your next project.

Send drawings or a window schedule. We'll recommend the right system, finish and glass, and quote it with no minimum order.