Building Materials Weights Guide

Below is a guide to the building materials weights for typical supplies used during the construction of your walls, ceilings, and floors. Soundproofing Company recommends 5/8" gypsum drywall for its heavyweight, at 2.2 lbs per square foot.

GYPSUM (DRYWALL)

5/8” Drywall (15.9mm)2.2 lbs per square foot70.4 lbs
1/2” Drywall (12.7mm)1.6 lbs per square foot51.2 lbs
1/4” Drywall (6.4mm)1.2 lbs per square foot38.4 lbs

GREEN BOARD (MOISTURE RESISTANT BOARD)

1/2” Green Board1.625 lbs per square foot52 lbs

OSB BOARD

1/4” OSB (6.0mm).96 per square foot31.72 lbs
3/8” OSB (9.5mm)1.25 per square foot40 lbs
5/16 OSB (7.5mm)1.43 per square foot45.76 lbs
1/2” OSB (12.5mm)1.67 per square foot53.44 lbs
5/8” OSB (15.5mm)2.08 per square foot66.56 lbs
3/4” OSB (18.5mm)2.50 per square foot80 lbs

PLYWOOD BOARD

1 1/8” Plywood2.64 per square foot84.5 lbs
3/4” Plywood (23/32)1.9 per square foot60.8 lbs
5/8” Plywood (19/62)1.5 per square foot48 lbs
7/16” Plywood (11.0mm)1.46 per square foot48 lbs
1/2” Plywood (15/32)1.42 per square foot40.6 lbs
3/8” Plywood (11/32)1.12 per square foot35.84 lbs
1/4” Plywood0.69 per square foot22.08 lbs