Popular Mechanics, maaliskuu 1914
To ascertain the amount of whitelead paint required to cover a given surface of wood, divide the number of square feet by 200, which will give the number of gallons of mixed paint required for a two-coat job. it is usually estimated that a gallon will cover 500 sq. ft. of average wood or smooth metal surface one coat.
The number of pounds of keg white lead required to cover a certain area is found by dividing the area in square feet by 18, which will give the number of pounds of lead required for a three-coat job.
Exclusive of glass, the paint materials required to do an average dwelling will be from 20 to 30 per cent of the total cost of the painting. The labor will be the largest portion.
Ei kommentteja:
Lähetä kommentti