Roof Slate Roof Dead Load

Live load on attic floor local requirements.

Roof slate roof dead load.

Pitched roof measured on slope clay tiles plain 0 65 kn m. For roofs that are flat and with ground snow loads lower than 20 pounds per square foot the roof snow load is equal to 70 of the product of the exposure thermal and importance factors and the ground snow load. Clay tiles interlocking 0 45 kn m. Dead loads are simply the sum of the weights of all the building materials used to build a particular part of a structure.

The weight of truss rafter must be added to calculate the dead load of the roof. 3 3 dead loads dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. For example the dead load of the roof might include the weight of the rafters sheathing roof covering and anything else that is permanently attached to the roof structure such as drywall on a cathedral. When used for storage only dead load of attic floor not floored 10 lbs.

Step 4 determine the flat roof snow load. Dead load of roof of wood shingle construction 10 lbs. 1 lb m ft 2 4 88 kg m 2. Concrete tiles plain 0 75 kn m.

For ground snow loads greater than 20 pounds per square foot the roof load is equal to. When a roof is designed using only a minimum 4 psf roof material dead load it will be our policy. Roof will not be available when an applicant applies for a reroofing permit years in the future. Popular pages pole framing post connection post embedment post frame foundations rafter installation pole barn roof.

A table of roof material weights including sheathing insulation and other decking materials. Overturning should also consider roof uplift forces unless a separate load path is designed to transfer those forces. The dead load on a roof is the weight of the roof structure itself along with any permanently attached materials or structures on the roof so it must be designed first of all to support itself. Pitched roof measured on plan timber trussed rafters.

Pole barns roof trusses roof material weight roof material dead load table. Instruct applicants to account for the potential weight of reroofing materials in their calculations as part of the original design.