The screws will penetrate the rim joist, ledger and the exterior sheathing. Select the screws which are specially for the treated wood in lengths. Now drill and sink a 1/2’’ diagram stainless steel screws in every joist space by alternating up and downside to protect the ledger from cracking.Now anchor the deck joists with joist hangers to the ledger by filling the hole with joist hanger nails.It does not allow water to leak behind the ledger ends. Keep a gap of 1/8″ between the ledger’s end and siding ends.
#Deck floating foundation install
Then install a Z-flashing between ledger bottom and over the siding beneath. Now mark the gap between the strip and door thresholds bottom. Now fit another strip over the drip cap and also under the door so that it can cover them to protect remaining areas under the door sill. Then install the drip cap over the ledger top of entire length.By this, water cannot gather and stay under the door sills and cannot ruin the floors.
![deck floating foundation deck floating foundation](https://contentgrid.homedepot-static.com/hdus/en_US/DTCCOMNEW/Articles/floating-deck-ideas-image-1.jpg)
Drop the ledger level to allow it at least 2″ gap between the deck boards top and the bottom side of a door.However, to attach a deck, you need to follow the following guidelines. You can call a carpenter and take his help. Replacing a rotten rim and support wall is a hard job. If your screwdriver goes through more than ¼”, then you think it is the time to replace it. You can use a screwdriver and jam it into the wood in some places. Do not replace the wood by seeing that it is discolored. But if you see the rotten sheathing, you cannot use it. If you see that the wall of your house covering behind the rim and looks good, you can use it. When you remove the old deck, then you can realize if you can use your house rim. However, your house support wall and rim need to be good enough to take the weight of the deck. But before doing this, you have to be sure that the wood of your house is in a good shape, because water leaking around your old deck ledger can damage to your house framing. At first, you need to demolish the old one. If you want to change your old deck, you can follow the steps. A chalk is also helpful to mark the line. Besides, you need a miter saw to cut your lumber. Other thing you need is a pressure-treated lumber, wedge anchors, a clamp, a level, a hammer, etc. Rotary hammer drill is a superb tool that effectively drills the concrete. It will process enough force when you drill.
![deck floating foundation deck floating foundation](https://m.media-amazon.com/images/I/41wm2m3Zg6L._AC_.jpg)
The most needed tool that you need to mount a deck frame to the foundation is rotary hammer drill. I think it will be a helpful article for you. Now, I am going to show you the step-by-step guide of mounting a deck frame to a concrete house foundation.