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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.
What is deck ledger flashing?
You will have to install ledger board flashing also known as a drip edge to act as a barrier to keep water out. If water can penetrate into the house framing it can result in severe mold, decay, and overall serious and expensive damage.
How do you flash a deck after it has been installed?
You will need to remove some of these decking boards near the house, and slide the deck flashing up underneath the first layer of siding that is nearest to the deck surface. The deck flashing then rolls over the edge of the ledger board, and the deck boards rest on top of it.
How do you attach flashing to wood?
Install a tube of construction adhesive in a caulking gun. Apply a generous amount of adhesive along the back of both fins of the flashing. Reposition the flashing at the deck-to-wall intersection and align the cuts at the lower edge with the sides of the corresponding joists. Press the flashing firmly into place.
Is flashing required on a deck?
“Flashing is required where exterior porches, decks, or stairs attach to a wall or floor assembly of wood frame construction. where exterior porches, decks, or stairs attach to a wall or floor assembly of wood frame construction “Dec 18, 2018.
How far apart should lag bolts be on a ledger board?
Background The tip of the lag screw shall fully extend beyond the inside face of the band or rim joist. The maximum gap between the face of the ledger board and face of the wall sheathing shall be ½”.
Can you put flashing over pressure-treated wood?
Never use galvanized steel or aluminum flashing in contact with an ACQ pressure-treated wood ledger board because it will corrode. Vinyl flashing is the least expensive option, but it may not work as well in areas with extreme temperature fluctuations.
Should a ledger board 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 I 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.
Can you put ledger board over siding?
Never install a ledger board over the top of siding no matter what you hear, this can weaken the connection. Wood or concrete siding will have to be cut away using a circular saw. Set the blade depth so you won’t cut into the house sheathing below the siding.
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.
Can you add flashing to an existing deck?
To add flashing, first remove the deck board that runs alongside the house. If the boards run diagonally, snap a chalk line 5-1/2 in. from the house, then set the blade in a circular saw to the depth of the decking boards and cut off the board ends. (Replace the cutouts at the end of the job with a 5-1/2-in.
How do you use a deck flash barrier?
When applying to the tops and ends of deck joists, center over joist. Remove release paper and press in place. Firmly crease and fold Deck Flash Barrier over both sides of the joist. To maximize adhesion, roll with a small hand roller.
How do you attach flashing to siding?
Nail the siding, stopping before placing the final nail at the end. Slide half of the piece of pan flashing, oriented vertically, under the end of the siding. Make sure the bottom of the flashing does not emerge at the bottom of the lap siding. Secure the flashing and the siding by fastening them to the structure.
What kind of nails do you use for flashing?
Copper Ring Shank Slating & Flashing Nails These solid copper nails are the type recommended for use with many major brands of tile and slate roofing – and are the most compatible nails for use with copper flashing. The full 3/8” head gives good bearing pressure on roofing and flashing material.
Is vinyl flashing good?
Vinyl flashing is the use of a general class of insulated, shiny, water-resistant materials on exterior walls, roofs, floors, and advertisement platforms. Vinyl flashing offers durability, beautiful architectural outlook, and low maintenance.
