Roof Dead Load

Where d is floor dead load.

Roof dead load.

Concrete tiles interlocking 0 45 kn m. L r l o r 1 r 2. Pitched roof measured on plan timber trussed rafters. 2 2 3 assessment of dead load.

Pitched roof measured on slope clay tiles plain 0 65 kn m. Dead load of attic floor when floored 20 lbs. Arch 331 note set 13 1 s2014abn 2. Thick 1 5 psf dead loads.

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. Live load on attic floor local requirements. Pole barns roof trusses roof material weight roof material dead load table. Roof live load reduction.

A table of roof material weights including sheathing insulation and other decking. 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. Clay tiles interlocking 0 45 kn m. 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.

Where l r shall not be less than 12 psf and not more than 20 psf. Overturning should also consider roof uplift forces unless a separate load path is designed to transfer those forces. 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. Roof dead load calculation msquared48 structural op 11 aug 09 03 57.

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. Concrete tiles plain 0 75 kn m. Popular pages pole framing post connection post embedment post frame foundations rafter installation pole. Roof live load may be reduced by the following equation.

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. When used for storage only dead load of attic floor not floored 10 lbs.