Spokane County Roof Load

Thursday june 30 2016.

Spokane county roof load. The kootenai county commission voted thursday to reduce the requirement for how much snow the roof of a mobile or manufactured home can hold to comply with federal rules. 1 dead loads plus a minimum unit live load of 30 lb ft2 2 months load duration. This is a requirement for homeowners insurance in washington state and has been built into the local building codes to prevent the use of inferior roof covering products and to help facilitate updating homes from the old roofing products to the new roofing products. Roof loads are a downward vertical force on the home.

Roof coverings such as shingle tiles rubber plastic or metal must be rated as a class a fire retardant material. Spokane county and the city of coeur d alene s building officials said not including smaller structures. The north zone middle zone and the south zone are identified on the roof load zone. Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched.

We began by removing the old roof down to the wooden roof deck. Next we installed the new roof before wintry weather arrived. Currently the county. The new single ply tpo membrane roofing system comprised these materials.

All roofs must be designed to sustain loads as follows. 800 27 codes hours monday thursday 7 30 a m. The scout mapping system available on the county website has snow load maps available on one of the layers to the public. If you have any questions or concerns about specific ground snow loads within the state of washington please call us at 1 425 741 5555.

However areas within spokane county have snow loads as high as 150 pounds per foot. In coeur d alene roof load limits are set at 40 pounds a square foot. This number provided is the ground snow load which must be. Ord c35389 section 7.

And 2 a vertical net uplift load of 9 lb ft2 1 day load duration. However a south roof load zone home cannot be installed in either a middle or north roof load zone. Monday may 23 2016.