LW Series Premium Vinyl Patio Doors
Why Customers Choose LW Series Patio Doors
Crafted to meet the demands of the Northwest’s wet climate and evolving energy standards, LW Series Patio Doors are engineered for maximum performance, comfort, and durability. These doors combine sleek design with advanced energy-saving features and smooth, reliable operation while offering the timeless style today’s homeowners expect.
Built on a partnership with one of the nation’s highest-rated manufacturers, the LW Series reflects the same 5-star reputation for quality, innovation, and customer satisfaction. Every patio door is backed by a Double Lifetime Warranty and our exclusive Leak Armor Guarantee, giving you total peace of mind for years to come.
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LW Series Sliding Patio Doors
Key Features and Benefits
- Space-saving design: Operates on a horizontal track without interior or exterior clearance, ideal for tight layouts or compact patios.
- Expansive views: Narrow frame profiles allow for larger glass areas, bringing in more natural light and enhancing your view.
- Effortless operation: Engineered with sealed precision bearings and stainless steel rollers for smooth, quiet gliding every time.
- Weather-tight seal: Triple-fin weatherstripping protects against moisture, wind, and noise.
- Customizable configurations: Choose from various sliding and swinging door setups, including two-, three-, and four-panel designs.
LW Series French Patio Doors
Key Features and Benefits
- Traditional styling: Symmetrical swing-out or swing-in operation creates a grand, elegant entrance that enhances any room.
- Flexible operation: Available in single or double swing panels, with options for fixed side panels and operable sidelights.
- Secure & sturdy: Optional multi-point locking system with solid metal posts and added deadbolt offers increased security.
- Indoor-outdoor flow: Opens wide to allow easy movement between inside and outside spaces — ideal for entertaining.
- Architectural appeal: Adds a distinctive, high-end aesthetic that elevates the look of traditional and transitional homes.
Patio Door Features Engineered for Northwest Homes
LW Series Patio Doors are built with precision and packed with performance-driven enhancements, designed to deliver long-term reliability, superior insulation, and quiet comfort. From reinforced frames to sound-dampening glass, every feature is designed to meet the demands of the Northwest climate and today’s homeowners.
| Feature | Description | Benefits |
| QuadraGlide™ Rollers | Precision-engineered rollers with sealed bearings. | Smooth, effortless sliding operation with long-term durability. |
| Heavy-Duty Roller Track | One-piece stainless steel track for gliding motion. | Lifetime performance with reduced friction and wear. |
| Heavy-Duty Screen | Thick-walled aluminum frame with flush-mounted handle and self-latching mechanism. | Enhanced durability and functionality. |
| LW Armor™ Protective Film | Removable protective layer applied to glass before delivery and installation. | Keeps glass flawless by preventing scratches and dirt during transit and handling. |
| Comfort•Core™ Foam Fill | High-efficiency insulation that fills targeted air chambers inside the frame. | Improves thermal performance, stabilizes indoor temperatures, and lowers energy costs. |
| Inner•Core™ Reinforcement | Fiberglass-reinforced sash and frame enhance structural strength and energy efficiency. | Resists warping, limits condensation, and helps block indoor-outdoor temperature transfer. |
| LW Sound Package | Specialized dual-pane glass designed to reduce outside noise more effectively than standard glass. | Reduces traffic and street noise in urban homes or busy areas and promotes indoor comfort. |
| Triple-Guard Weatherstripping | Three layers of antimicrobial triple-fin weather seals. | Blocks moisture, dust, and noise while resisting bacterial buildup for longer-lasting protection. |
Fully Customizable for Your Home and Lifestyle
You deserve patio doors that reflect your style and function in your living space. The LW Series offers a range of customizations — from glass performance and exterior colors to hardware finishes and integrated pet doors — allowing you to make these doors your own.
High-Performance Glass Packages
Whether your home gets full sun, stays shaded, or faces cold winter conditions, we have an option to improve your comfort, boost energy efficiency, and protect your interiors from harmful UV rays.
Plus, all packages include an easy-to-clean exterior coating for low-maintenance clarity and year-round performance.
Flexible Configuration Layouts
Whether you’re upgrading a small entry or creating a dramatic wall of glass, these doors combine thoughtful design with functional customization to match your vision.
One-Of-A-Kind In-Glass Pet Doors
Each unit features a durable aluminum frame and a weather-resistant flap with magnetic sealing, available in four sizes to suit pets up to 200 lbs.
Whether you have a small cat or a large dog, the in-glass pet door offers secure, seamless access for your pet while maintaining the clean look of your LW Series patio door.
Countless Physical Design Options
- Frame types: Choose from block, flush fin, or brickmould frames.
- Rail styles: Select between a standard 2-¾” rail or a French-style 4-½” rail.
- Handle styles: Available in both traditional and contemporary designs.
- Hardware finishes: Options include white, adobe, tan, satin black, bronze, satin nickel, and polished brass.
- Exterior colors: ThermaCoat™ solar reflective coatings in 13 designer colors that reduce heat and enhance curb appeal.
- Grid styles & patterns: Match your patio doors with window grids for a cohesive look.
True Double Lifetime Warranty
Every LW Series Patio Door is backed by a Double Lifetime Warranty — one of the most comprehensive warranties in the industry. It covers parts, labor, and even accidental glass breakage for as long as you own your home, giving you complete peace of mind from day one.
This warranty is fully transferable to the next homeowner, adding resale value and continued protection should you ever sell. All covered repairs, including shipping, are handled at no cost. The warranty reflects the same quality and confidence that define every LW Series product, from hardware and frame components to insulated glass units.
Some restrictions apply. Full coverage details are provided at the time of purchase.
Get Exclusive Access to LW Series Patio Doors
LW Series Patio Doors are available exclusively through Lake Washington Windows and Doors in Washington State, giving local homeowners direct access to one of the highest-performing door systems on the market. With premium craftsmanship, top-tier energy efficiency, and custom options to match your lifestyle, these doors elevate comfort and curb appeal.
Ready to enhance your home with patio doors that perform as beautifully as they look? Schedule your free in-home consultation today and experience the difference of the LW Series for yourself.
FAQs – LW Series Premium Vinyl Patio Doors
Can LW Series patio doors be used in both remodels and new construction?
Yes. LW Series doors have multiple frame types, making them suitable for replacement projects and new home construction. Our contractor division can help you if you want to learn more about our new construction options.
Are LW Series doors available in custom sizes?
Absolutely. Our doors can be custom-built to fit your opening, ensuring a perfect fit and professional finish.
Do the built-in pet doors affect energy efficiency?
Not at all. LW pet doors feature magnetic seals and high-density weatherstripping to maintain insulation and minimize air leakage.
Can LW Series patio doors match my LW windows?
Yes. LW Series windows and doors are designed to complement each other in appearance and performance, ensuring a consistent look throughout your home.
Are sidelights and transoms operable?
Sidelights on French doors are available as fixed or operable units. Transoms are fixed and designed to bring in additional natural light.
How do I know which door configuration is best for my space?
Our design consultants will help you select the best configuration based on your home’s layout, traffic flow, and lighting needs.
What kind of maintenance do LW Series doors require?
Thanks to durable vinyl frames and advanced coatings, LW Series doors are low-maintenance, typically only needing occasional cleaning with mild soap and water.
Can I finance my LW Series patio door project?
Yes. We offer financing options through approved partners to help make your project more affordable with manageable monthly payments.
How long does it take to get my new doors installed?
Most LW Series patio door projects are completed within 6–10 weeks from the time of order, depending on your custom selections and scheduling availability.
COMMERCIAL-GRADE Installation
Leak Armor Lifetime Installation Guarantee
When it comes to preserving the lifespan of your new windows and doors, installation matters. Thousands of window and door installations have honed our replacement process to perfection. For each project, our team follows a streamlined 3-step process to ensure you experience minimal delays and inconvenience before enjoying the benefits of your new window or door.
Top-Rated Window & Door Replacement Services
At Lake Washington Windows and Doors, we offer the highest quality windows and unparalleled customer service, with over 800 5-star reviews. With each installation, our exclusive Leak Armor Installation provides superior protection around your window openings. When you choose us for your window installation project, you can be sure that you’re getting the best.
Financing Options with Convenient 10 Minute Approvals
In addition to special offers and promotions, ask our sales representative about our quick, digital financing application process. From low-interest traditional loans to no down-no payment-no interest deferred financing plans, we can help you fund your replacement window project so you can mobilize your cash for other investments. We are a proud partner of GreenSky, one of the largest lenders for the home improvement industry. See how much you can be pre-approved for.
Every Window & Door Includes a Limited Lifetime Warranty
The beauty of working with the top window manufacturers in the industry is the support you can expect before, during, and after installation. Milfard offers a limited lifetime warranty. However, the likelihood that you’ll need to take advantage of the warranties is low.
Milgard Lifetime Warranty Guarantee
Milgard’s award-winning windows and doors are built to last. However, if you ever encounter an unexpected problem, you can rest assured that their lifetime warranties cover your purchase.
Every Installation Includes Leak Armor Commercial-Grade Protection
Our exclusive Leak Armor protection is included with every window we install. Developed through thousands of customer installations and years of experience, we utilize multiple layers of flashing, pans, and sealants in a specific manner to provide commercial-grade sealing to residential homes.