Joist Jackets® cover the top and ends of each joist.

Joist Jackets® & Ledger Jackets™
are the Deck Flashing System.

Ledger Jackets™ protect from any moisture penetration in the wood.
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Prevent metal-pressure treated wood contact

Joist Jackets® is part of a flashing system for deck framing.


You spend time and money each year protecting the surface of your deck, but what about the areas that are most vulnerable to year-round damage from the elements? Contractors agree that they most often need to replace the structures below the surface of the deck – the wood joists.

Joist Jackets® and Ledger Jackets™ for the life of your outdoor construction project.


Joist Jackets® is a flashing system for decks, stairs and other outdoor wood structures that are subject to rot due to exposure to water. Applied to the vulnerable tops and ends of the joists, it leaves the sides open so no moisture can be trapped.
product point Made of semi-rigid PVC that is shaped to fit three common sizes of joists.
product point Easily painted making the underside of a balcony or second story deck look as pleasing in appearance as the top surface.
product point Self sealing so the water doesn’t follow the screws down to the wood.

PRODUCT SPECS >

Ledger Jackets™ are designed to easily cover a ledger board and fit under the siding. The preformed shape of the ACQ-friendly flashing installs easily and keeps water from penetrating between the house structure and the ledger board.
product point Use Ledger Jackets™ in conjunction with Joist Jackets® so that all areas of your joists and supports will be protected from rot – adding years of life to your project.
product point Ledger Jackets™ typically cost less than one gallon of deck sealer.
product point Available in 20-foot rolls and easily cut to size using just household scissors.
product point Automatically seals itself around staples and nails so no moisture passes through.

PRODUCT SPECS >

Ledger Jacket roll-low cost, durable and easy to install.
The ACQ solution:


Today, many decks are built with the new A.C.Q. (Alkaline Cooper Quaternary) pressure treated wood. But what do you use for ledger flashing? If you are using either aluminum or light steel with new pressure treated wood, then corrosion can be 2 to 5 times higher than with old acid treated wood.
To solve the ACQ problem use Ledger Jackets™, a deck ledger-flashing product.
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Joist Jackets® and Ledger Jackets™ are trademarks of JJ Partners, Inc. Grass Valley, California, USA