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Sliding Patio Door Assemblies & Accessories

From knock-down frame assemblies to mullions and trim, explore installation assemblies and accessories designed to help make life easier.

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Mullion Installation Instructions

Pella® Impervia®

Select a mullion assembly/combination instruction from the list below.

Instructions

Joining Mullion for Sliding Doors
1/2" Mullion Transom over Sliding Door

Encompass by Pella® and ThermaStar by Pella® Trim

Instructions

Sliding Door Frame Extender - Western US Only

Sliding Patio Door Knock-Down Frame Assembly

A sliding patio door frame is assembled prior to installation.

Instructions

Aluminum Clad Exterior (including Impact-Resistant) 2-panel Knock-Down Sliding Door Assembly
Aluminum Clad Exterior (including Impact-Resistant) 3-panel Knock-Down Sliding Door Assembly
Aluminum Clad Exterior (including Impact-Resistant) 4-panel Knock-Down Sliding Door Assembly
Pella 250 Series 2-panel Knock-Down Sliding Door Assembly
Pella 250 Series 3-panel Knock-Down Sliding Door Assembly
Pella 250 Series 4-panel Knock-Down Sliding Door Assembly
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Encompass by Pella® and ThermaStar by Pella®

Select a door and window fashion instruction from the list below.

Instructions

Sliding Door Blind and Shade Operation

Helpful Resources

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Support Center

Contact us if you have questions about windows, patio doors or entry doors.

Installation Guides

Find everything you need in one packet for your construction type.

Product Warranties

Always read the Pella warranty before purchasing or installing a Pella® product.