Flashing Deck Ledger

Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck. Installing a deck flashing properly is critical to keep water from getting behind the ledger board.

Five Ledger Board Techniques Detailed Diagrams

With all the rain splashing and snow build up this flashing should extend higher.

Flashing deck ledger. The flashing strips should extend 3 to 4 inches past the ends of the ledger and overlap by 4 inches or so at joints. Glenn likes the L-shaped flashing and building paper covering the flashing top. News Open the App Store to buy and download.

While a simple L-flashing with a wider ledger leg that extends straight out over the top of the deck joists instead of being turned down over the face of the ledger is OK try to limit the ledger-joist leg so that it is 12 inch shorter than the first joint in the decking that covers it. First I like to install a layer of self adhering bitchathane we like Grace Ice and Water behind the ledger and above it by at least 12 inches. Make sure the bitchathane is behind the house wrap.

The level of water resistance you need to achieve when flashing a deck ledger will depend on the rainfall and how dry your climate generally is. Some deck builders also install a layer of flashing to the bottom of the ledger board. Use a J roller for additional pressure to aid in bonding in cool weather.

Types of Deck Ledger Flashing. The International Residential Code IRC requires using corrosion-resistant flashing. This article explains critical deck flashing details for decks in order to avoid rot and leaks at the deck ledger board and at the building to which a deck is attached and we provide deck or balcony design and construction details for waterproofing at door jambs and sills.

Seems easy when the flashing is drawn in doesnt it. When slipping the flashing under the siding be sure to slide the flashing to the left or right of the ledger by at least 2. While metal flashing such as aluminum flashing or copper flashing and extra layers of roofing felt tar paper were often used in the past to cover the face of the ledger today vinyl Z flashing and rolls of vinyl-back flashing provide better protection.

News Open the App Store to buy and download. The flashing used on this deck ledger was inadequate and basically is what we normally use to flash the top window trim boards. How Deck Ledger Flashing Works.

This is not required but offers an additional barrier for water that could flow into the house underneath the ledger boardWater it seems can get into anyplace that is not appropriately sealed. Roll form Rigid Z or L shaped 10 sheets made of stainless steel copper or vinyl. Flashing details for decks porches.

Follow these tips when installing flashing on your deck. There are at least a couple of good references for designing deck ledgers. Slip the back flashing under the siding at least 3 at the top and the sides.

The photo below shows the flashing extended above the decking approximately 1. How To Flash A Deck Ledger Board. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.

A simple metal or plastic cap flashing is probably adequate to flash a deck ledger in a dry climate while the 3-layer system described in this video is suitable for high rainfall and damp climates. These articles will teach you how to install flashing and bolt the ledger connection to the house rim. This will ensure water doesnt infiltrate behind the flashing.

Start by making an outline on the siding where you want to position the ledger board. The house wrap should extend and overlap the bitchathane. Adding flashing between the deck ledger and the house means safely removing and replacing rows of decking and siding.

The deck flashing needs to overlap the deck ledger board much like shingles overlap. Follow the complete deck ledger installation process from prep to fastening to flashing. Ad Shares price charts voIume market cap suppIy.

Slip the siding up and around the door. Deck ledger flashing can come in a variety of shapes and materials. Ad Shares price charts voIume market cap suppIy.

In cold temperatures the wall sheathing may require a special primer. Lets look at types of deck flashing and how it can guard against damage. Follow the complete deck ledger installation process from prep to fastening to flashing.

EPA Indoor air and Moisture Control Guidance. By Andy Engel Issue 298 - AprilMay 2021 The family that built our home and deck didnt use any flashing between the deck ledger and the house. So how do all of these ideas translate into actual deck ledger details.

Then slip flashing behind the siding covering the top edge of the ledger.

Deck Ledger Flashing Detail 3d Warehouse