Room Additions in Pacoima

Pacoima room additions with a screed set above soil and paving, irrigation aimed away from the wall and drainage for a hard inland storm.

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Lawn sprinklers can wet the foot of a new wall every day, and water finds any weak point in the stucco. On a Pacoima addition the screed at the base sits at least 4 inches above bare soil and 2 inches above paving, and the irrigation heads are re-aimed so nothing hits the wall. The wall stays dry and the finish lasts longer.

Screed, soil and paving

The metal screed is the bottom edge of the stucco, and its clearance lets moisture drain out and air dry the wall. Soil that creeps up against it buries the weep slot, so beds are kept back and mulch is pulled away. Paving next to the wall is set slightly lower than the slab edge and pitched away. Irrigation lines near the wall are checked for leaks, because a seeping fitting can soak the foundation for months. Planting beds are shaped to fall away from the stucco.

A hard storm on dry ground

Inland valley lots go through long dry stretches and then take a hard storm, so roof water has to leave the new roof quickly and travel well clear of the wall. Gutters and leaders end on the yard side, away from the glass door threshold. Hard surfaces beside the door are sloped away from the threshold. LADBS reviews the Pacoima drawings, and the roof and grade details are shown together so the reviewer can see where the water goes after it leaves the gutter.

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