WEIGHTS OF BUILDING MATERIALS
Use these weights to determine the total load(s) to be supported in your
particular situation. Examples of "Loading Lists" follow this section.
Roofing
- Wood shingles = 3.0 psf
- Asphalt shingles = 2.5 psf
- Wood shakes = 6.0 psf
- Clay tile = 9.0 to 14.0 psf
Materials
- 5/8" plywood = 1.8 psf
- 3/4" plywood = 2.3 psf
- 1 1/8" plywood = 3.4 psf
- 2" (nom.) decking = 4.3 psf
- 1" (nom.) hardwood floor = 4.0 psf
- Linoleum = 1.5 psf
- 3/4" ceramic tile or quarry tile = 10.0 psf
- 3/4" gypcrete = 6.5 psf
- 1/2" gypsum board = 2.2 psf
- 5/8" gypsum board = 2.8 psf
- Plaster (1" thick) = 8.0 psf
- Acoustical tile = 1.0 psf
- 1" Cement plaster = 12.0 psf
- 1" Rigid fiberglass = 1.5 psf
- 1" Glass wool = 0.3 psf
Douglas Fir
Members
Weights In Pounds Per Square Foot (U.N.O.)
|
| Spacing (inches)
|
| Size
| 12" centers
| 16" centers
| 24" centers
|
|
|
|
|
|
| 2 x 4
| 1.4
| 1.1
| 0.7
|
| 2 x 6
| 2.2
| 1.7
| 1.1
|
| 2 x 8
| 2.9
| 2.2
| 1.5
|
| 2 x 10
| 3.7
| 2.8
| 1.9
|
| 2 x 12
| 4.4
| 3.3
| 2.2
|
|
|
|
|
|
| 3 x 6
| 2.4 plf
|
|
|
| 4 x 4
| 3.2 plf
|
|
|
| 4 x 6
| 5.0 plf
|
|
|
| 4 x 8
| 6.8 plf
|
|
|
| 4 x 10
| 8.6 plf
|
|
|
| 4 x 12
| 10.4 plf
|
|
|
