Roof Dead Load

Pitched roof measured on slope clay tiles plain 0 65 kn m.

Roof dead load.

Concrete tiles interlocking 0 45 kn m. The structure of a roof that supports solar photovoltaic panels or modules shall be designed to accommodate the full solar photovoltaic panels or modules and ballast dead load including concentrated loads from support frames in combination with the loads from section 1607 13 5 1 and other applicable loads. Roof live load reduction. When figuring total vertical loads for gravity or seismic loads does anyone adjust the roof dead loads for the slope of the roof.

2 2 3 assessment of dead load. Where l r shall not be less than 12 psf and not more than 20 psf. When used for storage only dead load of attic floor not floored 10 lbs. Clay tiles interlocking 0 45 kn m.

Concrete tiles plain 0 75 kn m. L r l o r 1 r 2. Live load on attic floor local requirements. Roof live load may be reduced by the following equation.

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. Pitched roof measured on plan timber trussed rafters. Arch 331 note set 13 1 s2014abn 2. Pole barns roof trusses roof material weight roof material dead load table.

Where d is floor dead load. Thick 1 5 psf dead loads. Dead load of attic floor when floored 20 lbs. 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. Popular pages pole framing post connection post embedment post frame foundations rafter installation pole. I just looked at a 12 12 pitched roof and if you compensate for the pitch the flat projected dead load is increased by about 25. R 1 1 for a t less than or equal to 200 psf r 1 1 2 0 001 a t for between 200 psf and 600 psf.

A table of roof material weights including sheathing insulation and other decking. Dead load is the vertical load due to the weight of permanent structural and non structural components and attachments of a building such as walls floors ceilings permanent partitions and fixed service equipment etc.