Table of Contents
How do you flash 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.
Is deck flashing necessary?
“Flashing is required where exterior porches, decks, or stairs attach to a wall or floor assembly of wood frame construction.
What can I use to flash my deck?
You can buy flashing either in roll form or in rigid Z- or L-shaped 10′ sheets made of stainless steel, copper or vinyl material. Never use galvanized steel or aluminum flashing in contact with an ACQ pressure-treated wood ledger board because it will corrode.
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.
When should I flash my deck?
Deck joist flashing tape is used to protect your deck’s substructure – commonly made with traditional lumber – from moisture.When to Use Deck Joist Flashing Tape Prevents moisture penetration of joists. Protects the lumber from rot. Extends the life of the deck’s substructure.
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.
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.
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.
How many lag bolts do you put in a ledger board?
Since 2009, every edition of the IRC (including the anticipated 2021 edition) requires the deck ledger to be connected to the house floor band joist with ½” bolts or lag screws as shown in Table 507.9.
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.
How do you attach a ledger to a deck?
Attaching a Ledger Board to Your House Remove Siding. Determine the outside dimensions of the framing for the deck and add ½” to 1″ to that length. Important. Set the Height of the Ledger Board. Block Joists from Inside the House. Install First Flashing Piece. Bolt Ledger in Place. Install Second Flashing. Attach Joist Hangers.
Should decking use flashing tape?
Using a deck flashing tape should be a requirement for any homeowner or builder looking to construct a new deck. Regardless of the material you use for your deck boards, most substructures use wood which can rot and decay in about 8-10 years. Protecting the deck substructure can extend the life of your deck.
Should I use butyl tape on deck?
Look for a butyl tape, like Trex Protect, because it has less high-temperature oozing, endures less stain, is stickier and can be applied in a wide range of temperatures. Butyl tape also creates a tighter seal around deck screws to prevent moisture from seeping in.
Do you need joist tape on pressure treated wood?
Joist Tape: Why It’s Essential & When to Use It Even constructed with treated wood or built with dense wood such as ipe, a wood deck is eventually prone to mold, mildew, and rot. You can protect your deck joists, double joists, rim joists, beams, ledger boards, and stringers with thin butyl tape.
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.
What is G tape used for?
G- Tape is an exceptional acrylic adhesive flashing tape that’s an instant favorite of anyone who’s building a deck. It’s lightweight and tears cleanly with just your hands- no scissors or knife needed! Repositionable when installing, but after 24 hours becomes permanent.
What does joist tape do?
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.
