Trinsic Series vinyl sliding patio doors
Trinsic Series vinyl sliding patio doors

Trinsic™ Series Patio Door

A contemporary vinyl patio door with a frame profile so narrow, you’ll hardly know it’s there.

Trinsic™ Series

A sleek and contemporary vinyl patio door.

Trinsic Series vinyl sliding patio doors
Trinsic Series contemporary vinyl windows
Contemporary Look. Narrow Frame.

The Trinsic Series vinyl patio door is our newest and most contemporary vinyl sliding door available. The narrow frame profile provides the maximum available viewable glass area to help you enjoy amazing outdoor views. The newly designed, sleek hardware features 90 degree angles for a very modern flair. It’s the perfect look for contemporary homes.

Benefits of Trinsic Series

  • Contemporary Frame
  • Durability & Energy Efficiency
  • Hardware
  • Signature Vinyl Formula
  • Full Lifetime Warranty
Trinsic Series vinyl sliding patio doors

Contemporary Frame

If you are looking for a vinyl patio door with a contemporary feeling, our new Trinsic Series is for you. The sleek style is the perfect way to create a modern look for your home and the maximum available viewable glass area can help highlight amazing views.

Durability & Energy Efficiency

We produce our own vinyl formula for the Trinsic Series patio door. The durable frames will not absorb moisture and do not require painting. Talk to your Milgard Certified dealer about ENERGY STAR® requirements in your area when you select one of our energy package options.

Trinsic Series vinyl sliding patio doors


Trinsic Series sliding patio doors come with a newly designed, squared off handle. This crisp, clean, contemporary look offers a very modern flair. Consider the optional upgrade for an even narrower handle that blends seamlessly into the frame.

Trinsic Series vinyl sliding patio doors

Signature Vinyl Formula

We’re proud of the signature vinyl formula we use across our vinyl line. We also extrude our own frame materials and fabricate them in house for a quality patio door that meets our high standards, and yours.

Full Lifetime Warranty

Full Lifetime Warranty

Trinsic Series patio doors come with a Full Lifetime Warranty. We will repair or replace any defect in materials or workmanship and will pay the costs of all parts and labor for as long as you own your home. This extends 10 years from the start date, if you sell your home. Glass Breakage is an optional upgrade.

Trinsic Series Operating Styles

  • Sliding
Trinsic Series vinyl sliding patio doors


Trinsic Series sliding vinyl patio doors are the perfect complement to Trinsic Series windows. They are designed with a narrow frame profile that can help expand your view. Choose from 2, 3 and 4 panel options.

Our Window and Patio Door Experts are Here to Help!


Trinsic™ Series Patio Door

See All Reviews
Trinsic™ Series Patio Door is rated 4.2 out of 5 by 100.
Rated 5 out of 5 by from Excellent installation! Excellent Window! Very well constructed and excellent warranty! Will continue to purchase Milgard windows!
Date published: 2019-05-14
Rated 5 out of 5 by from Beautiful, Beautiful, Beautiful!!! Our new window is Beautiful. We just could'nt wait to get our new window, we were so excited. I just love it and it's not the old metal framed windows. We can now see out of our window. Due to the old window seal being broken. We just love it! Thank you...
Date published: 2019-03-20
Rated 5 out of 5 by from Great Value, Design and Installation! We just had US Window and Door of Carlsbad, CA replace 25 windows and 2 sliders with the new Milgard Trinisic series and we couldn't be happier! We first did extensive online research and learned that Milgard is by far the best quality and value. We then began searching for a Milgard dealer near us and found US Window and Door in Carlsbad, CA (just 10 min. from our home)! We learned that they've been in business since 1987 and are the #1 Milgard dealer in San Diego County, so our choice was easy. We visited their showroom and met Martin, the owner, who educated us on the unique features and benefits that make Milgard the best. He then came to our home, saw what we needed, and provided a quote that was surprisingly fair and affordable. Within 5 weeks, all the windows and sliders were manufactured and delivered. Then the US Door installation team arrived and installed it all in just 4 days! They have their own employees do the installation, not subcontractors. Their expertise, courtesy and work ethic was incomparable. And the windows are amazing … our home is much quieter, the windows and doors slide so easy and the exterior of our home now looks brand new. And when the installation was complete, our home was cleaner than before. Best of all, they are a local company (not way over in Arizona), so we know they stand behind their work. And the Milgard lifetime guarantee is unbeatable! If you are considering new windows, we strongly recommend Milgard and US Door and Window ... and we will be happy to chat with you personally if you want to hear more. Just ask Martin to put you in touch!
Date published: 2019-08-15
Rated 5 out of 5 by from Great door, great service! The customer service we received was impeccable! The door is even better!
Date published: 2019-08-14
Rated 1 out of 5 by from Shattered after 6 weeks Six weeks after being installed the Milgard sliding glass door shattered when I was out of the house. I looked on the internet and saw where spontaneous glass breakage can happen with double pane tempered glass. The house project is not even completed yet. My previous sliding door lasted over 28 years. The door has direct southern exposure and it was 88 degrees that day. The contractor has left a message for them and I have notified Milgard online of this. It's a headache.
Date published: 2019-08-14
Rated 4 out of 5 by from So far so good. Only two days into having them installed but so far so good. The house is a bit quieter and seems to be a few degrees cooler on a typical hot day. The action on the double hung windows is a bit stiff but I'm hoping they will loosen up a bit with use. They look is great.
Date published: 2019-08-14
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