Pella® Impervia® Fiberglass Sliding Patio Door

Pella® Impervia® Fiberglass Sliding Patio Door

4.27

starstarstarstarstarstar_outlinestar_outlinestar_outlinestar_outlinestar_outline
455 Reviews

2-Panel

Pella Impervia fiberglass sliding patio doors glide open and closed along a track with a low-profile sill. Our low-profile sill is 45% lower than an average sill, helping to reduce a tripping hazard.40 And the Pella Impervia sliding patio door design comes standard with multiple locking mechanisms, and they can withstand 500 pounds of opening force when in the vent lock position.39

  • Lowest standard sill design in the industry with high performance.41
  • Multiple locking mechanisms ensure added security in both the closed and venting positions.
  • Tested to outlast 100,000 cycles, the equivalent to opening your door three times a day for more than 91 years.
Purchasing Options
Based on

Free In-Home Consultation

Limited appointments available

Schedule Consultation

Visit your Pella Showroom

There are no showrooms within 200 miles of this location.

See All Locations

Pella Impervia Sliding Patio Door Features

  • Enhanced Security Features Come Standard

  • Strongest Material for Patio Doors9

  • Low-Profile Sill Reduces Tripping Hazard

Design Options

Pella Impervia fiberglass products have a long-lasting factory powder-coat finish in your choice of three colors.Learn more about interior finishes. Solid-color frames feature White, Black or Brown color on both the interior and exterior. Dual-color frames have White on the interior with Brown or Black on the exterior.

Interior Finishes

  • black fiberglass frame

    Black

  • brown fiberglass frame

    Brown

  • white fiberglass frame

    White

  • tan fiberglass frame

    Tan

  • morning sky gray fiberglass frame

    Morning Sky Gray

Material

  • Pella Impervia products are made from our proprietary fiberglass material, the strongest material for windows, engineered for lasting durability.61
  • Our long-lasting powder-coat finish meets AAMA 624, which is a highly-rated fiberglass coating.
  • Exclusive thermoset material won't expand, warp or sag in summer heat, or shrink and turn brittle in harsh winter conditions.
  • Secondary Secure Vent Lock for extra protection.

Downloads & Specifications

Design, Performance & Size Tables

Specifications

2D Cross Section

2D Elevation

3D & BIM

Product Literature

  • Black Impervia Sliding Door
  • Detailed drawing of the cross section part of an Impervia sliding patio door
  • cross section drawings for impervia sliding window

Pella Impervia Sliding Patio Door Specs & Install Details

  • Lowest standard sill design in the industry with high performance41
  • Tested from -40ºF to 180ºF, our proprietary fiberglass can handle the most extreme heat and cold16
  • Frame and panel corners are joined with corner locks, injected with sealant and fastened with screws for added strength, durability and reliable water performance
  • Available in two- and three-panel options
  • Two-panel sliding patio doors available in sizes up to 95-1/2” x 119-1/2"
  • Three-panel sliding patio doors available in sizes up to 145-7/8” x 119-1/2"
  • Performance class and grade LC-PG35-50


Frame
  • Overall frame depth is 4-3/4". 
  • Nominal wall thickness of Duracast members are .070" to .120" thick.
  • Jamb to head corners sealed with injected polyurethane adhesive.
  • Jambs and head contain factory-drilled installation screw holes when ordered without nail fin.
Door panels
  • All panel members have mitered corners joined and bonded with corner locks, injected with polyurethane adhesive.
  • Vent panels have two adjustable permanently-sealed electroplated steel with organic coating ball-bearing rollers, set on stainless steel track.
Weatherstripping
  • Flexible polymeric bulb section with welded corners and a slip-coating at head, jamb, sill and interlocker.
  • Bristle strip rain-screen at vent panel interlocker.
Glazing System
  • Quality float glass complying with ASTM C 1036.
  • 1" insulating glass tempered, sealed and bonded to panel.
  • High altitude glazing is available.
Hardware
  • Finish on Tan interior units is Tan, and Finish on White interior units is White.
  • Foot bolt holds the door open approximately 3" for ventilation. 
  • Keylock with K-keyway cylinder.
Conventional Black Fiberglass Screens
  • Black vinyl coated 18/16 mesh fiberglass screen cloth complying with ASTM D 3656 and SMA 1201.
  • Set in aluminum frame and fitted to the inside of door.
InView™ screen
  • Vinyl-coated 18/18 mesh fiberglass screen cloth complying with SMA 1201, set in aluminum frame fitted to inside of door, supplied complete with all necessary hardware.
  • Set in aluminum frame and fitted to the inside of door.

Pella Impervia Patio Door Reviews

starstarstarstarstarstar_outlinestar_outlinestar_outlinestar_outlinestar_outline
See All Pella Impervia Patio Door Reviews

  • February 25, 2026

    starstarstarstarstarstar_outlinestar_outlinestar_outlinestar_outlinestar_outline
    Why Choose Pella
    Pella was able to perform the additional work required to install the replacement windows.
    Darren D.

  • February 25, 2026

    starstarstarstarstarstar_outlinestar_outlinestar_outlinestar_outlinestar_outline
    Why Choose Pella
    I already have Pella windows and the quote was slightly lower. I liked my sales rep.
    Memorable Aspects
    The installation team was good. They made for a great experience, clean, on time, communicative, did a great job.
    Tracie E.

  • February 23, 2026

    starstarstarstarstarstar_outlinestar_outlinestar_outlinestar_outlinestar_outline
    Why Choose Pella
    Features and cost
    Memorable Aspects
    Very efficient process and great cleanup
    Russell P.
  • See what our customers are saying
    Get honest feedback from real customers who have worked with Pella.
    See All Pella Impervia Patio Door Reviews

Frequently Asked Questions

FAQs about My Product

How do you measure a sliding patio door for replacement?

Measure the width and height of your existing patio door with a tape measure. Follow these instructions to ensure you take accurate patio door measurements.

FAQs about Purchasing Online

For online orders, what is your policy for returns and products damaged during shipping?

We’re committed to customer satisfaction. If the product you ordered online is damaged during shipping or you do not receive exactly what you ordered, we want to make it right by refunding you in full or sending you a new product. We do not accept returns of undamaged made-to-order products in which a buyer ordered the incorrect size or color, or decided the product was no longer needed. See pella.com/warranty for additional details and exclusions. If you have questions about returns and refunds, please email shop@pella.com.

Who will install the products I ordered?

When you receive your order, you can either install the product on your own with help from our installation kit. Or, hire a Pella Certified Contractor® to take care of installation for you. They are trained and certified to install Pella products.

What’s included in my online window and door purchase?

Product only. When you purchase a window, door or replacement part online, your order will arrive with the product only. Installation is not included. If you need installation parts and accessories, those can be purchased online as well.

How long will it take to receive my online order?

For online orders, a local Pella team member will call within 2-14 weeks to schedule pick up or delivery depending on delivery method and production timing. The time to receive your order varies since all products are made to order based on your specifics.

living room with impervia sliding patio door

Pella Impervia

Pella Impervia sliding patio doors are made from our proprietary fiberglass material, which is tested from -40°F to 180°F, and can handle the most extreme heat and cold.32 It will not warp in extreme heat or become brittle in extreme cold. Tested in extremes and designed for every day, these patio doors deliver proven performance.

Pella Impervia Sliding Patio Door Inspiration

Other Pella Impervia Products

Compare Sliding Patio Doors

  • Pella® Impervia®

    • Fiberglass
    • Unmatched strength and lasting durability9
    • Exceptionally energy efficient

    ( Currently Viewing )

  • Pella® Reserve™ - Traditional

    • Wood
    • Historical Authenticity
    • 20 Exterior Colors
    Explore Product

  • Pella® Reserve™ - Contemporary

    • Wood
    • Industry-Defining & Modern
    • 20 Exterior Colors
    Explore Product

  • Pella® Lifestyle Series

    • Wood
    • Exceptionally energy efficient
    • Better noise reduction
    Explore Product

  • Pella® 250 Series

    • Vinyl
    • Stronger, more durable frames than ordinary vinyl8
    • Enhanced security and privacy
    Explore Product

  • Encompass by Pella®

    • Vinyl
    • Made of easy-care vinyl
    • Competitively priced
    Explore Product

  • Pella® Hurricane Shield Series™

    • Vinyl
    • Exceptional everyday performance
    • Engineered for precise installation
    Explore Product