How do you waterproof a ledger board?

Asked by: Nancy Corlin

Can I use flashing tape on a deck ledger board?

LEDGER BOARD & DECK POST PROTECTION



Our deck flashing tape is a flexible polyethylene waterproof wood flashing and barrier material made with a rubberized asphalt mastic adhesive. Easily apply this durable, self-adhesive material as flashing to protect deck ledger boards against water.

How do you replace a rotting ledger board?

Cut a ledger board to the length of the removed rotted section, placing the new section into the removed section, and attach the new ledger patch to the scabs using 3 inch screws.

How do you attach a ledger board to a house with vinyl siding?

Snap a chalk line, cut out the siding and tack up the ledger board. Then slip flashing behind the siding, covering the top edge of the ledger. Start by making an outline on the siding where you want to position the ledger board.

What is behind a ledger board?

A ledger board is the piece of lumber that safely connects your deck to your home. So making sure it's installed securely is a top priority.

How do you flash the side of a ledger board?

So we're doing a ledger. And the most important part of installing ledger. Right is making sure that it's long lasting it can support the deck for the duration of the decks life.

What is joist sealing tape?

Joist Tape, also referred to as Flashing Tape, is a thin, waterproof adhesive material that creates an impenetrable layer of protection against water, air and moisture infiltration.

Does a ledger board need to be pressure treated?

Installing the Ledger Board



The lumber for the ledger and all framing members must be pressure-treated for exterior use. The ledger will establish the height of your deck. This is an absolutely critical connection and must be installed properly to ensure the strength and safety of the deck.

How do you repair a ledger board deck?

It was sagging about an inch inch and a half in the middle so what we did we came in stick framed a wall. We banged our top plate up jacked it up about an inch to an inch and a half got.

Is it normal for a deck to shake?

If your deck gets a case of the shakes when you walk across it, there’s probably no reason for concern. Still, in some cases, the deck movement puts extra stress on the fasteners and connectors.

Does a ledger board need flashing?

How to Flash a Deck Ledger Board. If you cut out your siding to install a ledger board, careful steps must be taken to ensure that moisture cannot reach your house. Infiltrating rainwater can travel downward, sideways and even upward, so special flashings must be used.

Can you attach a ledger board to studs?

MiTek’s WSWH Washer Head Structural Wood Screw can be used to attach a ledger to studs directly, through 1/2″ APA rated sheathing or through one or two layers of 5/8″ gypsum wallboard (drywall).

How thick should a ledger board be?

The decking is 1-inch thick, so the top of the ledger is 1 1/8 inch below the bottom of the sill.

How many lag bolts do you put in a ledger board?

Approved Fasteners



The International Residential Code lists two fasteners for directly attaching ledgers to a house: 1/2-inch-diameter hot-dip-galvanized hex-head machine bolts and 1/2-inch-diameter hot-dip-galvanized lag screws.

Can I use 2×6 for ledger board?

Trex recommends 16″ OC at most, 12″ if running the boards diagonally. This is fine for 2×6 spacing. For the ledger, it’s worth replacing so it’s the same size. You might not be able to fully secure the larger hangers to the smaller ledger.