Roof Slate Roof Dead Load

Live load on attic floor local requirements.

Roof slate roof dead load.

Dead load of roof of wood shingle construction 10 lbs. Step 4 determine the flat roof snow load. Popular pages pole framing post connection post embedment post frame foundations rafter installation pole barn 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.

The weight of truss rafter must be added to calculate the dead load of the roof. Roof will not be available when an applicant applies for a reroofing permit years in the future. Pitched roof measured on slope clay tiles plain 0 65 kn m. Concrete 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. Pitched roof measured on plan timber trussed rafters. Concrete tiles plain 0 75 kn m. Pole barns roof trusses roof material weight roof material dead load table.

For ground snow loads greater than 20 pounds per square foot the roof load is equal to. Clay tiles interlocking 0 45 kn m. 1 lb m ft 2 4 88 kg m 2. Overturning should also consider roof uplift forces unless a separate load path is designed to transfer those forces.

Dead load of attic floor when floored 20 lbs. When used for storage only dead load of attic floor not floored 10 lbs. 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 a roof is designed using only a minimum 4 psf roof material dead load it will be our policy.

The following table provides typical weights dead load self weight for various roofing materials where possible the values were taken directly from manufacturer technical data sheets and are the actual weights of specific representative products. Instruct applicants to account for the potential weight of reroofing materials in their calculations as part of the original design.