Temple City ADU Construction With a Dry Patio Door
Temple City ADU construction with the roof tilted so rain falls behind the unit, keeping the patio and its glass door dry and shaded.
Glass on the tall side and water on the short side sums up the roof of a Temple City ADU. Its high edge sits over the patio door, and a deep overhang there throws shade across the glass and gives a sheltered spot to step out on a wet evening. Its low edge runs along the back wall, where a single gutter collects every drop and a downspout empties into a gravel bed or a planter.
A roof that keeps the patio dry
Tipping the roof up toward the patio lets the tallest wall hold the widest glass, so the main room gets the most light where it opens to the yard. All of the water heads the other way, to one gutter sized for the whole roof. A drip edge and a kickout flashing at each roof-to-wall joint stop water from tracking back into the framing. The overhang on the high side is framed with exposed rafter tails or a closed soffit, and either one carries a light fixture for evening use.
Where the water goes after the gutter
The downspout outlet can feed a planter with a gravel base, a rain barrel or a drain line to the street, depending on what the lot and the city allow. Water is kept away from the footings of both buildings and away from the neighbor's fence line. Drainage is one of the items checked in the Temple City review, along with the unit's size and setbacks, so the roof plan and the drainage are drawn together and handed in as a pair.
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Placed at the far end of the lot, with the patio and its glass door facing the yard and the low side of the roof against the fence. That arrangement gives the main room open sky and morning or afternoon light, keeps the downspout out of the way and leaves the two homes with views that do not cross.
It covers a Temple City unit of a single story and up to 500 square feet. With the roof tipped away from the patio, our time goes into the site plan, where the downspout outlet and the path of the runoff are drawn for the reviewer. Bigger designs need a visit before we quote, and building is priced on its own.
It can, on the tall side. A sliding or folding glass door there opens onto a patio of pavers or concrete, under a deep overhang that keeps the doorway dry. A pergola can carry the shade farther out over a table, and the patio slopes gently away from the door so any rain that blows in drains off.
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