Andersen® 400 Series and 200 Series gliding patio doors use black foam head and sill plugs at the top and bottom of the interlock weatherstrip on the stationary door panel (the door panel that does not glide).

• The head plug is applied to the top of the interlock weatherstrip on the head of the patio door unit.
• The sill plug is applied to the bottom of the interlock weatherstrip on the sill of the patio door unit.

Install Head and Sill Plugs on Andersen® 400 and 200 Series Gliding Patio Doors

This article provides you with resources for ordering and installing replacement head and sill plugs on a 400 or 200 Series gliding patio door.

Let's Get Started

1. Order Parts

Order the head and sill foam plugs individually. To order a replacement head or sill plug, Contact Andersen® Windows and Doors.

Note:

• Replacement head plugs are ordered by the door's vintage and are universally handed.
• You will need to know the handing of your patio door unit to order the correct replacement sill plug.
  • For assistance with determining the handing, see Handing of Andersen® Gliding Patio Doors.
• If you're replacing plugs, we also recommend replacing the interlock weatherstrip. For more information on the interlock weatherstrip, see Interlock Weatherstrip for 400 and 200 Series Gliding Patio Doors.

2. Install Parts

To replace the head and sill plugs, remove the operating patio door panel and interlock weatherstrip using the Interlock Weatherstrip Replacement Guide (9131890).

The head plugs are installed with an adhesive back, while the sill plug requires instant adhesive. For installation assistance, Contact Andersen® Windows and Doors.

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