(Also see "Roof Decks")

Plywood sheathing Label.

Sheathing panel with taped joints.

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Useful Links:

1. GeneralZIP System Sheathing - Information on this interesting sheathing/weather barrier system is available at the website of the manufacturer, Huber Engineered Woods. For a critique of the ZIP System by one of Huber's competitors, see what DuPont (Tyvek®) has to say.

2. OSB/Plywood: Great article for history and comparison: "Choosing Between Oriented Strandboard and Plywood" by Paul Fisette is available on the website of the Building and Construction Technology Program at UMASS Amherst.

3. ManufacturersSee here for sheathing manufacturers.