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

The Milgard Trinsic Series vinyl patio door is our newest, most contemporary vinyl sliding door available. The narrow frame profile and 90 degree corners provide the maximum available viewable glass area to help you enjoy amazing outdoor views. The sleek design matches well with all modern styles. Contact us for your free estimate.


Benefits of Trinsic Series Patio Doors

Contemporary Frame

If you are looking for a contemporary-style vinyl patio door, we suggest Milgard’s new Trinsic Series. Its sleek design and maximum available viewable glass area can help highlight amazing views.

New! Black Interior/Exterior Frames

Looking for the latest design trend? We now offer black interior and exterior matching frames exclusive to Trinsic Series! The black acrylic layer is extruded together with an underlying vinyl profile for superior durability and a beautiful look.

*Not yet available in all areas

Durability & Energy Efficiency

Milgard produces their own vinyl formula for the Trinsic Series patio door. The durable frames will not absorb moisture and do not require painting.


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.

Unique Vinyl Formula

Milgard offers a unique vinyl formula for our patio doors. Plus, they also extrude their own frame materials and fabricate them in house for a quality patio door that meets their high standards, and yours.

Full Lifetime Warranty

Trinsic Series patio doors come with a Full Lifetime Warranty. Milgard 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.