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Example of a opaque material?
A half inch thick steel plate, A half inch thick plywood, Brick, Concrete Block
What is the standard thickness of sheet rock used in commercial application?
The standard thickness of drywall used in commercial applications is typically 5/8 inch. It provides better fire resistance and soundproofing compared to thinner drywall options.
How much does a gallon of Sheetrock compound weigh?
Standard drywall weighs about 3.4 lbs per sq ft per inch thickness. Water resistant drywall (greenboard) weighs about 3.9 lbs. per sq. ft. per inch thickness. Firecode C drywall weighs about 4.2 lbs. per sq. ft. per inch thickness. These are approximations, as the ratio of core vs. covering varies for different thicknesses, thereby varying the exact weights. So, 1/2" thick standard drywall weighs 3.4 x 0.5, or 1.7 lbs per sq. ft. 4' x 8' x 1/2" thick sheet weighs 1.7 x 32 s.f. = 54 lbs. 4' x 10' x 1/2" thick sheet weighs 1.7 x 40 s.f. = 68 lbs. 4' x 12' x 1/2" thick sheet weighs 1.7 x 48 s.f. = 82 lbs. 5/8" thick standard drywall weighs 3.4 x 0.625 = 2.2 lbs per sq. ft. 4' x 8' x 5/8" thick sheet weighs about 70 lbs. 4' x 10' x 5/8" thick sheet weighs about 88 lbs. 4' x 12' x 5/8" thick sheet weighs about 105 lbs. Previous Answer: A 4'x8'x 1/2" sheet weighs 82 lbs A 4'x12'x1/2" weighs over a 100lbs 4x8x12 5/8 is almost 150 lbs 54x12x5/8 will blow your milker if you aren't in shape
How many square feet of 2 inch thick duct insulation are needed for the outside of a 10 ft section of 8 inch x 20 inch duct work?
53.3
What planet has thick co2?
Venus has extremely thick CO2 with a surface pressure of 93 Earth-atmospheres (about 1400 pounds/square inch) and extreme global warming of 400-500 degrees C.
