Decks & Patios in Van Nuys
Van Nuys decks and patios built to shed water: paving that falls away from the foundation, flashed ledgers, joist protection and clear drainage beneath.
Grading the paving away from the wall keeps rain and hose water off a Van Nuys foundation. A gentle fall of around 2 percent carries that water to a drain or to planted ground. A deck needs the same thinking from the other direction, with flashing at the house wall and gaps that let water drop through.
Patios that fall away
The slope is set with string lines and a level before the base is compacted, because concrete and pavers can only be as true as the layer under them. Downspouts that used to empty beside the wall are piped to a safe outlet, and a slot drain is added where a door threshold sits close to the paving. A paver patio can also be laid over a gravel base that lets part of the rain soak away. Whatever the surface, the lowest edge needs somewhere to go, and we mark that outlet before the first shovel.
Decks that dry out
At the house wall, flashing is lapped over the top of the ledger and behind the siding so water cannot run down into the rim joist. Self-adhering tape covers the tops of the joists, where screws and rain meet. Posts stand on bases that keep their ends off wet concrete, and the ground under the deck is graded so water runs off and does not pond. Wood that dries between rains lasts. Wood that stays damp at a connection starts to soften, usually where nobody can see it.
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Decks & Patios in Van Nuys: questions
Wildfire mapping sets the requirement for each address. A mapped address needs tested ember-resistant decking and a clear or screened underside, while others follow ordinary code. We check the address first and bring listed samples that also drain well.
The ledger flashing gets a close look, because a lapped, sealed detail at the house wall is what keeps water out of the structure. The inspector also checks the footings, the post connections and the hangers. Boards go down only after those pieces are approved and the water path is plain to see.
Yes, and it makes the waterproofing easier. The flashing at the deck ledger can be woven into the new wall barrier as the wall is built, so there is no cut through finished siding later. Grading around the new house can also be shaped to carry water away from both the deck and the foundation.
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