The rain hits the siding and runs down into this collection zone where organic matter creates a kind of dam preventing drainage.
Deck boards against siding.
Materials required acrylic caulk drip cap galvanized flashing galvanized joist hangers galvanized lag screws galvanized nails and screws pressure treated wood z flashing.
Whether you have wood vinyl or aluminum siding you can avoid this by oversizing the ledger board and creating space for water to run off.
Look at the end grain of any deck ramp or wooden walkway board and notice the curved lines that mark the winter wood layers of the tree from which the board was cut.
Then cut away the siding.
The siding has been cut so the decking can slide under it rather than butting the decking up to the siding.
Nail undersill trim j channel will also work over the bottom cut using 11 gauge aluminum nails.
Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.
If you start installing your decking away from the house the last board will snug against the house.
This way most rain water that hits the house will run off the siding and onto the top of the decking rather than seeping onto the ledger.
The problem is that rot can invade the deck board or the bottom of the siding when organic matter builds up in the space between the deck and the side of the house especially on the wind driven side of the house.
Make sure you have enough room to install flashing above the ledger board and allow for at least a space above the decking preventing water from wicking upwards into wood siding.
The best deck stain also protects against sun rays that can fade the surface of the wood and increases the risk of cracks and splintering.
Start by making an outline on the siding where you want to position the ledger board.
To help you build a pleasing palette follow the rules of the color wheel either with a combination that s analogous or complementary.
Remove the existing interior and exterior sliding door trim remove the existing sliding glass door remove any deck boards restricting the installation of proper deck flashing install a copper door pan and copper deck flashing copper seams will be soldiered re install the existing sliding.
Cupped ramp boards or deck and platform boards hold water and form algae or ice more quickly than boards that drain properly.
Start by using plunge cuts across the top and bottom of the horizontal length of the ledger board followed by the shorter vertical cuts for the ends using a cold chisel.
It is a good idea to replicate that same setup in your deck colors and design with a dominant tone as the.
They sometimes rot faster too.
