Onondaga County
Low Slope and Flat Roof Work in the Town of Elbridge
If an Elbridge roof has been patched three times in the same place, the reason may be that the covering on it is not rated for the slope it was laid at. The Town of Elbridge is 17.0 percent manufactured housing, far and away the highest concentration in Onondaga County against 0.3 percent in the city, and low pitched roofs are where the New York slope rules actually bite.
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Why 17.0 percent manufactured housing changes the product
Manufactured housing is concentrated in specific towns rather than spread across the county. The Town of Elbridge is 17.0 percent mobile homes, ZIP Code Tabulation Area 13135 around Phoenix is 6.1 percent and ZIP Code Tabulation Area 13078 around Jamesville is 2.9 percent, against 0.3 percent in the City of Syracuse and 0.0 percent in most villages.
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 Elbridge the median year of construction is 1973. Of 2,612 housing units, 28.1 percent were built in 1939 or earlier, 32.2 percent before 1950, 57.7 percent before 1980 and 42.3 percent in 1980 or later. 71.7 percent are single-family detached and 87.2 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 R905.2.2 of the 2025 Residential Code of New York State provides that asphalt shingles shall be used only on roof slopes of 2 units vertical in 12 units horizontal, a 17 percent slope, or greater, and that from 2:12 up to 4:12 a double underlayment application is required. The wording is unchanged from the superseded 2020 edition.
Source: 2025 Residential Code of New York State, via UpCodes, accessed 2026-09-14
The 2025 Residential Code of New York State recognizes a specific set of low-slope coverings, each with a minimum design slope of one quarter unit vertical in 12 units horizontal, a 2 percent slope, for drainage: built-up roofs at R905.9 (coal-tar built-up may go to one eighth in 12), modified bitumen at R905.11, single-ply membrane at R905.12, sprayed polyurethane foam at R905.13 and liquid-applied roofing at R905.14.
Source: 2025 Residential Code of New York State, via UpCodes, accessed 2026-09-14
Section R905.5.2 of the 2025 Residential Code of New York State provides that mineral-surfaced roll roofing shall not be applied on roof slopes below 1 unit vertical in 12 units horizontal, an 8 percent slope.
Source: 2025 Residential Code of New York State, via UpCodes, accessed 2026-09-14
No public dataset counts enclosed porches, low-slope additions, breezeways or attached garage roofs in Onondaga County. The American Community Survey publishes year structure built, units in structure, tenure and value by place and town, and no roof geometry at all. Neither the Census nor the New York codes publish roof slope or roof covering by property.
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
Third patch on the same shallow roof?
Send the Elbridge address and, if you can get it, the rise over twelve inches of run. We will arrange a visit that settles which coverings are lawful there.
What covering your Elbridge slope is allowed to carry
This is the one thing on a roof a homeowner can test themselves with a level and a ruler. Section R905.2.2 of the 2025 Residential Code of New York State allows asphalt shingles only on slopes of 2 units vertical in 12 horizontal or greater, and from 2:12 up to 4:12 it requires a double underlayment application. Below 2:12 shingles are simply not a lawful covering, and the code names what is: built-up roofing, modified bitumen, single-ply membrane, sprayed polyurethane foam and liquid-applied roofing, each with a minimum design slope of a quarter unit in 12 for drainage. Mineral-surfaced roll roofing, the usual cheap answer on a shallow porch or shed, stops at 1:12 and is not permitted below it. One honest limit on all of this: nobody counts roof slopes. No public dataset records enclosed porches, low-slope additions, breezeways or attached garage roofs anywhere in Onondaga County, and neither the Census nor the codes publish slope or covering by property, so the link from a town's building types to the roofs standing on it is an inference and we write it as one. What the Census does record about Elbridge is that 17.0 percent of the housing is manufactured, 28.1 percent of the town was standing before 1940 under a 1973 median, and 87.2 percent of occupied homes are owner occupied. Manufactured and shallow pitched roofs are exactly where the slope question decides the product rather than the price.
Low slope and membrane work we arrange in Elbridge
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 Elbridge →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 Elbridge →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 Elbridge →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 Elbridge →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 Elbridge →Tell us how shallow your Elbridge roof actually is
A level and a tape settle it in a minute. If the slope is the problem, no repair to the shingles will hold, and we will tell you that plainly.