This section is from the book "The Building Trades Pocketbook", by International Correspondence Schools. Also available from Amazon: Building Trades Pocketbook: a Handy Manual of reference on Building Construction.
Two plasterers ana one laborer should average from GO to 70 sq. yd. per day. The cost of labor on 3-coat work, costing about 25 cents per sq. yd., will be about 12 cents. For 2-coat work, costing about 20 cents per sq. yd., the cost of the labor will be about 8 cents. Both of these figures on labor are exclusive of the cost of lathing.
The following analyses of cost of 2- and 3-coat plastering are carefully made, and may be relied on as bases for mates. Very fine work will cost considerably more.
1,440 laths, l 1/2 in. wide, 3/8" spacing, at $2.10 per 1,000...... | $ 3.02 |
10 lb. 3d. nails, at $2.05 per 100 lb.................................... | .20 |
Labor: putting on lath, 1 day.......................................... | 2.25 |
13 bu. of lime, at $.25 per bu.......................................... | 3.25 |
1 bu. of hair, 8 lb., at $.04 per lb....................... | .32 |
1 1/2 loads of plastering sand, at $1.50 per load................... | 2.25 |
1/3 bbl. of plaster of Paris, at $1.50 per bbl | .50 |
Labor: | |
Plasterer, 3 1/4 days, at $3.00 per day................................ | 9.75 |
Helper, 2 1/2 days, at $1.50 per day................................... | 3.75 |
Cartage ....................................................................... | 1.00 |
Total........................................................................... | $26 . 29 |
Cost per sq. yd., $26.29 /100 = 26 cents, approximately.
Cost of lath and putting on, same as above................... | $5.47 |
10 bu. of lime, at $.25 per bu.......................................... | 2.50 |
3/4 bu., or 61b., of hair, at $.04 per lb.. ................... | .24 |
1 load of sand ................................................................... | 1.50 |
1/3 bbl. plaster of Paris, at $1.50 per bbl.............................. | .50 |
Labor: | |
Plasterer, 2 1/4 days, at $3.00 per day............................... | 6.75 |
Helper, 2 1/4 days, at $1.50 per day.................................. | 3.37 |
Cartage ........................................................................... | 1.00 |
Total............................................................................ | $21.33 |
Cost per square yard, $21.33-5-100 = 21 cents, approximately.
This is measured by the superficial yard, no openings under 7 superficial yards being deducted.
Plastering laths are about l 1/2 in. wide, 1/4 in. thick, and usually 4 ft. long, the studding being generally placed 12 or 16 in. on centers, so that the ends of the lath may be nailed to them. The laths are usually set from 1/4 to 3/8 in. apart, requiring about 1 3/4 or 1 1/2 laths, 4 ft. long, to cover 1 sq. ft.
For a good average grade of work, a man will lay, on an average, about 15 bunches, or 1,500 laths per day, while a rapid workman will put on about 2,000 laths. The cost of nailing up laths will be from 18 to 25 cents per bunch, or $1.80 to 82.50 per thousand, being about equal to the cost of the laths and nails.
 
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