Room Additions in Whittier
Whittier room additions with gutters, grading and flashing planned so water from the new roof and walls drains away from the house, plus permits.
Rain on a Whittier addition behaves like rain on any inland suburban house: it lands on the new roof, runs down the walls and ends up in the soil beside the footing. A plan decides where each stage of that path goes, because a new roof sheds water that the old house did not have to handle.
From the new roof to the ground
Gutters collect the runoff, and downspouts end in solid pipe that carries water well past the foundation. At the junction with the old wall, step flashing laps under the siding or stucco, and a valley is lined before shingles go on. Grade around the footing falls away from the wall. Under the floor, a vapor barrier and ventilation keep the framing dry, and any crawlspace vents are positioned to avoid roof splash. A drain line at a low corner of the yard carries the collected water out to the street side.
Keeping it out of the glass wall
Sliding doors sit lower than most openings, so the sill gets a sloped pan and sealant under it. A patio outside the door falls gently away from the threshold. Window flashing laps in order from the bottom up. At the tie-in, the existing roof edge may need trimming so the junction drains cleanly. The city building department inspects the framing and wrap before they are covered, which is where these details get verified. Caulk lines and flashing tape are checked by hand before the finish layer covers them.
Room Additions in Whittier: what people ask
Yes. A beam spanning the width carries the wall above, glass near the floor is tempered, and a sloped pan under the threshold keeps water out. The door type is chosen before framing. The old sill gets a moisture check before any opening is cut.
Going out puts the room beside the yard and keeps work at ground level. Going up keeps the whole yard, though the foundation gets reviewed and the roof is opened. Setbacks and the space available decide. We measure the yard and the setbacks at the first visit, then show both options on a sketch.
Separated out in the quote, covering the roof junction, wall opening, floor match and moved utilities. That separation lets the room size and the water-management details be read independently. If something unexpected is found behind the old wall, the amount is adjusted in writing before work continues.
Room Additions in other cities
More of what we build in Whittier
Start your project in Whittier
Send the form with the size of the space and what you want to change.