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

The Jacket Flashing System
for all your outdoor construction projects.

 Ledger Jackets™ protect from any moisture penetration in the wood.
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Joist Jackets cover the top and ends of each joist.

  • Easy to Install
  • Low Cost "Insurance"
  • Maintenance Free
  • Improves sound quality
  • Environmentally Friendly

ARCAT -Click here for product information for the Architectural and spec writing communities
Product information for the Architectural and Spec Writing Communities

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What is the JACKET FLASHING SYSTEM?

Prevent metal to pressure treated wood contact with the jacket flashing systemJoist Jackets® and Ledger Jackets™ are made from non-toxic, semi-rigid PVC and are preformed with a memory retention that will protect the framing of your deck long after the warranty of your deck flooring of choice runs out!

point arrowKeeps water from collecting between two pieces of wood so it prevents wood rot.

point arrowAllows wood to breathe – it doesn't seal off wood completely.

point arrowPrevent metal-to-pressure treated wood contact.

point arrowEnvironmentally tolerant from below freezing to well over 110°F.

Drawing depicting the parts of construction including Joist Jackets® and Ledger Jackets™

Frequently asked questions:
ACQ Problem Solved:

Today many decks are built with the new A.C.Q (Alkaline Copper Quaternary) pressure treated wood. But what do you use for ledger flashing? If you using aluminum or light steel with new pressure treated wood, then corrosion can be 2 to 5 time higher than with old acid treated wood. MORE >

Can Joist Jackets® be painted?

Joist Jackets® are easily painted making the underside of a balcony or second deck as pleasing in appearance as the top surface.

What is it made of?

Joist Jackets® are made of long-lasting, self-sealing, semi-rigid PVC to provide protection from rot damage.
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Joist Jackets® and Ledger Jackets™ are trademarks of JJ Partners, Inc. Grass Valley, California, USA