Don't skimp on flashing anywhere you have exposure on the exterior of your home: windows, doors, shingles, and decks. The International Residential Code (IRC) requires using corrosion-resistant flashing. Let's look at types of deck flashing and how it can guard against damage.18 Nov 2020
What is the purpose of flashing on a deck?
Deck flashing creates a barrier to prevent moisture from entering the house in the openings you create when attaching your ledger board connection. 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.
Do you have to flash a deck ledger?
Flashing for the whole deck As important as it is to cover the deck ledger, flashing also can protect the deck joists, floor joists, beams, and rim joists from developing rot and wood decay.18 Nov 2020
Does pressure treated wood need flashing?
A compromised structural integrity from rotted pressure treated wood can lead to the risk of a deck collapse. The lifespan of pressure treated deck structures can be extended by flashing the joists and beams with joist tape.
Do you need flashing on deck?
Don't skimp on flashing anywhere you have exposure on the exterior of your home: windows, doors, shingles, and decks. The International Residential Code (IRC) requires using corrosion-resistant flashing.18 Nov 2020
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.
Is deck flashing necessary?
When a waterproof deck lacks a proper flashing system, water from the roof can easily find its way inside rough surfaces into various parts of the house. Flashing ensures instances of wood or plywood rot are unheard. The wood structure remains dry since the flashing takes away all the water.
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.
Does deck ledger need flashing?
It's imperative that the ledger board is waterproof and protected. Moisture is the enemy of wood. Don't skimp on flashing anywhere you have exposure on the exterior of your home: windows, doors, shingles, and decks. The International Residential Code (IRC) requires using corrosion-resistant flashing.18 Nov 2020
What is flashing on ledger board?
While Trex RainEscape® Wall Flash protects the gap, the ledger board itself also needs to be covered. Flashing for the whole deck. As important as it is to cover the deck ledger, flashing also can protect the deck joists, floor joists, beams, and rim joists from developing rot and wood decay.18 Nov 2020