Roof Wind Speed and Heat Requirements in Louisiana
New Orleans’ 144 mph design wind speed crosses the impact-glazing threshold under the code edition currently governing most Louisiana permits.
Roofing
Shingles, flashing, gutters and the damage you can spot from the ground.
Roof Wind Speed and Heat Requirements in Hawaii
Honolulu’s 138 mph design wind speed drives roof framing and fastening in Hawaii, while the state’s snow load stays at zero and heat wears shingles fast.
Roof Wind Speed and Heat Requirements in Florida
Explains the 126 mph design wind speed at Jacksonville, when impact-rated shutters are required, and why heat, not snow, wears out a Florida roof.
Roof Wind Speed and Heat Requirements in California
Explains the 95 mph design wind speed at Los Angeles under ASCE 7-16, what it means for shingles and fasteners, and why snow isn’t a factor in California roof codes.
Roof Snow Load, Wind Speed and Ice Barrier Rules in Rhode Island
Providence’s design snow load, wind speed and Rhode Island’s ice-barrier rule explained, with the difference between ground load and roof load made clear.
Roof Snow Load, Wind Speed and Ice Barrier Rules in Quebec
Quebec’s roof snow load, wind pressure and ice-barrier rules come from Montréal’s NBC 2020 figures, with municipal by-laws deciding the rest for houses.
Roof Snow Load, Wind Speed and Ice Barrier Rules in Oregon
Oregon’s design snow load, wind speed and ice-barrier rules come from Portland’s ASCE figures and the state’s own residential code, not a single statewide number.
Roof Snow Load, Wind Speed and Ice Barrier Rules in Prince Edward Island
Ground snow load, rain load, wind pressure and ice barrier rules for roofs in Prince Edward Island, based on the reference figures for Charlottetown.
Roof Snow Load, Wind Speed and Ice Barrier Rules in Pennsylvania
Explains Philadelphia’s design ground snow load, wind speed, ice barrier rules and the Pennsylvania Uniform Construction Code that applies them.
Roof Snow Load, Wind Speed and Ice Barrier Rules in Ontario
Explains Toronto’s NBC ground snow and wind pressure figures, how they convert to roof loads, and when Ontario’s building code calls for an ice barrier.