Roof Dead Load Tables

Af pa s appendix a lists a variety of live and dead load combinations for floors ceilings and rafters.

Roof dead load tables.

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. To determine the dead load value for a given floor or roof system the weight of all permanently installed materials in a given component are added together. For a floor system you can find the individual weights of drywall strapping floor joists subfloor underlayment and carpet in an architectural handbook like architectural graphic. For example appendix a indicates that one type of clay tile roof system has a live load value of 20 psf and a dead load value of 15 psf.

Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. Typical design dead loads 2 table 1. 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. Use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.

Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. Typical design dead loads 3 dead load adjustments adjustments are made in the dis tribution of dead loads due to the placement of utility lines under the floor system and fixtures lightsfloor system and fixtures lights ducts etc on the floor ceiling which is the floor for the next story if. Popular pages pole framing post connection post embedment post frame foundations rafter installation pole barn roof. Pole barns roof trusses roof material weight roof material dead load table.

Arch 331 note set 13 1 s2014abn 2. A table of roof material weights including sheathing insulation and other decking materials. Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope. D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature h hydraulic loads from soil f hydraulic loads from fluids.