Onondaga County
Roof to Wall Leak Diagnosis in the Town of Salina
If a Salina leak has been fixed twice and keeps coming back in the same corner, look at where a roof runs into a wall rather than at the field of shingles. The town's median build year is 1960 and 77.0 percent of its 16,016 homes predate 1980, which is the era of attached garages, back additions and later re-siding, and the siding is what hides whether the detail underneath was ever built right.
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Why a re-sided Salina house can hide a wet wall
The Town of Salina has 16,016 housing units of which 68.7 percent are single-family detached and 5.6 percent are single-family attached, with 68.7 percent owner occupancy and a median build year of 1960. 24.3 percent of the town was built before 1950 and 77.0 percent before 1980.
Source: US Census Bureau, American Community Survey 2020-2024 5-year estimates, tables B25034 year structure built, B25035 median year structure built, B25024 units in structure and B25003 tenure, accessed 2026-09-14
In the Town of Salina the median year of construction is 1960. Of 16,016 housing units, 14.5 percent were built in 1939 or earlier, 24.3 percent before 1950, 77.0 percent before 1980 and 23.0 percent in 1980 or later. 68.7 percent are single-family detached and 68.7 percent of occupied units are owner occupied.
Source: US Census Bureau, American Community Survey 2020-2024 5-year estimates, tables B25034 year structure built, B25035 median year structure built, B25024 units in structure and B25003 tenure, accessed 2026-09-14
Section R905.2.8.3 of the 2025 Residential Code of New York State requires base flashing against a vertical sidewall to be continuous or step flashing, not less than 4 inches in height and 4 inches in width, and to direct water away from the wall onto the roof or into the gutter. Where there is siding, the vertical leg of the flashing must run continuously under the siding; where there is anchored masonry veneer, counterflashing is required as well.
Source: 2025 Residential Code of New York State, via UpCodes, accessed 2026-09-14
The Department of Energy's guide on roof-wall flashing states that where sidewall flashing is missing or inadequate, water leaks into the wall and causes serious damage to sheathing, framing and insulation and mold in the wall cavities, and that while older wood siding showed the problem as peeling paint, newer claddings such as fiber cement, vinyl siding and brick veneer can mask the evidence for years.
Source: US Department of Energy, Building America Solution Center, Pacific Northwest National Laboratory, accessed 2026-09-14
Section R903.2.1 of the 2025 Residential Code of New York State requires flashings at wall and roof intersections, wherever there is a change in roof slope or direction, and around roof openings, and requires a flashing to divert water away from the point where the eave of a sloped roof meets a vertical sidewall. Where the flashing is metal it must be corrosion resistant and not less than 0.019 inch thick, which is No. 26 galvanized sheet.
Source: 2025 Residential Code of New York State, via UpCodes, accessed 2026-09-14
Several places on this site are villages inside towns of a different name, so their Census figures are not interchangeable. Liverpool village sits in the Town of Salina, Solvay village in the Town of Geddes, East Syracuse and DeWitt in the Town of DeWitt, Minoa and Fayetteville and Manlius village in the Town of Manlius, North Syracuse spans Cicero and Clay, Baldwinsville spans Lysander and Van Buren, Camillus village sits in the Town of Camillus, and Marcellus, Skaneateles, Elbridge, Jordan, Tully and Fabius each have a village inside a town of the same name.
Source: US Census Bureau, American Community Survey 2020-2024 5-year estimates, tables B25034 year structure built, B25035 median year structure built, B25024 units in structure and B25003 tenure, accessed 2026-09-14
Same corner, third repair?
Send the Salina address and which corner it is. We will arrange a visit that examines the joint rather than the field.
What happens where a Salina roof meets a wall
New York's code names the places that need flashing and they are exactly the places that leak: wall and roof intersections, any change in roof slope or direction, around roof openings, and the point where the eave of a sloped roof runs into a vertical sidewall. Against a sidewall it wants continuous or step flashing not less than four inches high and four inches wide, directing the water out onto the roof or into the gutter, with the vertical leg running up under the siding, and counterflashing as well where there is anchored masonry veneer. Flashing that was surface-nailed over the siding and buttered with roof cement meets none of that, and you can usually see it from the ground: sealant at a roof-to-wall joint is a sign of a detail that was never built right rather than a sign of maintenance. Re-siding is what makes this worse in Salina than the raw numbers suggest. Federal guidance warns that where sidewall flashing is missing or inadequate the water goes into the wall and damages sheathing, framing and insulation, and that while old wood siding used to announce it as peeling paint, vinyl, fiber cement and brick veneer can mask the evidence for years. A town that is 68.7 percent single-family detached with a 1960 median has had a great deal of new cladding go on over old details. Liverpool village sits inside this town and is a much older stock again, so we say which of the two a number came from.
Flashing and roof work we arrange across Salina
Roof and Attic Leak Diagnosis
Find out where the water is actually getting in before anyone prices a covering, including whether it came through the roof at all.
Leak Diagnosis in Salina →Flat and Low-Slope Roofing
Find out whether a nearly flat porch, addition or garage roof leaks because it has the wrong covering on it, and what may lawfully go up there instead.
Low-Slope Roofing in Salina →Flashing, Chimney and Skylight Repair
Rebuild the joint the water is actually using, at a chimney, wall, valley, vent or skylight, without re-covering a roof that is still doing its job.
Flashing Repair in Salina →Gutters, Downspouts and Roof Drainage
Get the water that leaves the roof away from the house properly, instead of over the gutter, behind the fascia or straight down the foundation wall.
Gutters and Drainage in Salina →Attic Ventilation and Air Sealing
Stop indoor air reaching the cold roof deck, and get the vent area and the vent split right, so the attic stops making its own water.
Attic Ventilation in Salina →Tell us where your Salina leak keeps reappearing
Which wall, which room, and whether the house has been re-sided. A stain that returns to one spot is a joint, and a joint is a different job from a roof.