WEIGHT OF BUILDING MATERIAL (Appx.)
ITEM Weight, lbs/ sq. ft. Item Weight, lbs/ sq. ft.
ROOFING   CEILINGS  
Wood Shingles 3.0 Gypsum Board  
Wood Shakes 4.5 1/2" 3.3
Roman Tile 12.0 5/8" 4.2
Spanish Tile 19.0 3/4" 5.0
Lightweight Conc. Tile (consult manufacturer data) 10.0- 15.0 psf
Copper 1.5
PLASTER
 

COMPOSITION

 

  1/2" sand on 3/8" gyp. lath 8.0
2- 45# cap sheets 1.5 Lt. Wt. on 3/8" gyp. lath 5.0
2- 15# & 90 cap sheets 2.0 Sand Plaster on metal lath 10.0
2- 15# & 400 pea gravel 5.8 Metal Suspension Sys. 2.0
2-15# & 300 slag 4.7
ACOUSTIC FIBERBOARD
 
Asphalt Shingles 2.5 1/2" 0.7
SHEATHING   1" 1.5
1", DF 2.5 1 1/2" 2
2", DF 5.5 2" 2.6
Lumber, per 1" thickness 3.0 Sprinkler System 1- 1.5
PLYWOOD SHEATHING   FLOOR SURFACING  
3/8" 1.2 1 1/2" Elastizell 13
1/2" 1.6 Carpet & Pad 1.5
5/8" 2.0 WALLS  
3/4" 2.5 Exterior 7/8" Stucco & 1/2" Gyp. Board at inside face 16.0
7/8" 2.7 Exterior Siding, R-11 & 1/2" Gyp. Board at inside face 10.0
1" 3.0 Interior Walls with 1/2" Gyp. Board 10.0
1 1/8" 3.5 Layer of 1/2" Gypsum Board 5.00
FRAMING MEMBERS   7/8" Stucco 9
2X4 @12", 16", 24" o.c. 1.65, 1.3, 0.82 FRAMED WALLS- 8 ft high  
2X6 @12", 16", 24" o.c. 2.54, 1.9, 1.27 2x4 @ 16" o.c. 10.6 PLF
2X8 @12", 16", 24" o.c. 3.39, 2.54, 1.7 2x4 @ 24" o.c. 8.9 PLF
2X10 @12", 16", 24" o.c. 4.29, 3.21, 2.15 2x6 @ 16" o.c. 16.7 PLF
Wood Trusses ( 2x4 T & B chords) @ 24" o.c. 2.5 2x6 @ 24" o.c. 14.0 PLF
MISC.      
Concrete (sand & gravel aggregate) 150 pcf Brick, 4" thick 40 psf
Concrete (per 1" thickness) 12.5 psf LIGHTWEIGHT CMU  
Mineral wool or fiberglass (1" thick) 0.05 psf 6", no grout 31 psf
Rigid roof insulation (1" thick) 1.5 psf 8", no grout 35 psf
Gypsum (1" thick) 2.0 psf 12", no grout 50 psf
    6", vertical cells solidly grouted 56 psf
    8", vertical cells solidly grouted 77 psf
    12", vertical cells solidly grouted 118 psf
    6", cells grouted @ 16" o.c. 46 psf
    8", cells grouted @ 16" o.c. 60 psf
    12", cells grouted @ 16" o.c. 90 psf
    6", cells grouted @ 24" o.c. 42 psf
    8", cells grouted @ 24" o.c. 53 psf
    12", cells grouted @ 24" o.c. 79 psf
    6", cells grouted @ 32" o.c. 40 psf
    8", cells grouted @ 32" o.c. 50 psf
    12", cells grouted @ 32" o.c. 73 psf

Wood based on Douglas Fir, 36 pcf for plywood; 40 pcf for OSB

Southern Pipe, 40 pcf for plywood; 44 pcf for OSB