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Three Season Porch Windows

Lip frame windows are an excellent way to convert your screened-in porch or enclosure into a three-season room. Choose between solid pane windows or vertical or horizontal sliders for any opening. They are compatible with most openings and are a great upgrade option for our porch screening kits or hardtop deck enclosures.

Vinyl windows offer the benefits of glass without the cost or weight. They're as transparent as glass but not nearly as heavy, expensive, or susceptible to cracking or breaking. If accidentally pushed or distorted, the tough, impact-resistant vinyl will return to its original shape within minutes. Vinyl is a product with a memory. Why not get more out of your investment?

Window Options

Standard lipframe window panel in white

Lip Frame

Four track window panel

Vertical Four Track

Frame Options

White aluminium frame extrusion

White

Tan aluminium frame extrusion

Tan

Clay coloured aluminium frame extrusion

Clay

Bronze aluminium frame extrusion

Bronze

Black aluminium frame extrusion

Black

Screen Options

Diagram of standard screen mesh weave shown magnified

Standard

Magnified diagram of Better-Vue screen mesh weave

Better View

Diagram of super screen mesh weave shown magnified, with a finer grid

Super Screen

FlexiGlaze Screen Colors

Hummingbird beside a clear Flexi-Glaze panel, showing bird visibility

Clear

Hummingbird beside a light grey Flexi-Glaze panel

Light Gray

Hummingbird beside a dark grey Flexi-Glaze panel

Dark Gray

Hummingbird beside a bronze Flexi-Glaze panel

Bronze

Durable Flexiglaze

Flex vinyl glazing is made for a room that is lived in. Our glazing can be hit or leaned on by a child or pet and still maintain its form. With this patented technology you’ll never have to worry about golf balls, baseballs, or hail damaging your window.

Our selection of frame and FlexiGlaze colors allow you to match the look of your home or achieve a unique style just for you.

Baseball striking a window panel without breaking it

Versatile Ventilation

Different days require different types of airflow. Our window sliders easily move up or down allowing you to create your preferred ventilation. Put all the windows down to maximize the breeze. Close them completely to keep it warmer. Or leave them somewhere in between. Your room will adapt to your exact need.

Diagram of window opening positions at 75, 50 and 25 percent and closed

Custom Made

Each of our windows and doors are tailor made in our facility to ensure a precision-engineered fit into your existing porch or deck. Our selection of frame and FlexiGlaze colors allow you to match the look of your home or achieve a unique style just for you.

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Diagram of an angled gable panel beside a rectangular panel

Product Details

Clear, Light Gray, Dark Gray, and Bronze.

Standard colors are White, Tan, Clay, Bronze, and Black.

Standard Fiberglass Mesh and Premium Screen.

Yes, all units over 30″ in width require a spreader bar. Under 30″ is optional and must be noted on the order if they are not wanted.

No. They are field mulled.

The hinge side for inswing and outswing doors are always determined from outside looking in.

No. Inswing doors are installed from the interior.

Sunroom interior with lipframe windows, a sofa and a lake view

Sizing

Max is 48″ x 102″ or 60″ x 96″. The minimum is 12″ x 24″ for a 3-vent unit.

All verticals have a 1 7/8″ frame depth that recesses into the opening.

All Porch Conversions units have a 7/8″ front mounting flange.

Standard door sizes are 42″, 34″, and 36″ x 80″. Custom doors are available up to 42″ x 96″. Optional thresholds add 1 1/4″ to the above heights.

The minimum leg height is 6″.

Exploded diagram of a lipframe window assembly

Ordering

We have an order form that has all the necessary questions that need to be completed to fulfill your order in a timely manner.

When we receive an order, we will first send it to you as a quote. If everything is correct, you will need to confirm before it is converted to an order. Once you have confirmed and it is converted, no changes can be made.

TW is a twin unit. This is two window units and one mull. TR is a triple unit, so it has three window units and two mulls.

Four track window builder showing frame colour and Flexiglaze vinyl colour options with measuring guidance

Care

Either the vinyl cleaner and preservative, Woolite and water or Murphy’s Oil Soap and water: about a capful to one gallon of water. Dry with a soft cloth. Never use harsh chemicals such as ammonia.

Clean and lubricate the tracks with a dry silicone-based lubricant.

The aluminum components of the frame/sash members are warranted to be free of defects in materials and workmanship for the lifetime of the windows. The powder coated paint finish is warranted against blistering, peeling, cracking, or chipping from normal intended usage for a period of 10 years from the date of installation to the original purchaser. The vinyl is warranted to be free of defects resulting in material obstruction of vision and cracking for a period of 10 years from the date of delivery by Porch Conversions. The screen and moving parts shall be warranted for a period of (2) years on the material only from the date of delivery by Porch Conversions.

Videos

Measuring

Measuring an Opening (1:34). Learn how to measure your window for a perfect fit before ordering.

Installing

Correct Installation Procedure (7:25)

Follow along for a full installation demo covering all the essential steps as well as a few tips and tricks along the way.

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Pro-grade patio covers, screened enclosures, wall systems, pergolas, gazebos and more. All sourced from premium manufacturers throughout the USA.

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No need to design and source material separately or spend thousands on a contractor. Complete DIY kits delivered to your door.

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