FLOORING _Quantities_ SQUARE FEET First floor, area (net) 1,312 Second floor, area (net) 1,312 Attic floor, area (net) 1,071 Porch floors, area (net) 523 HEMLOCK UNDERFLOORING Unmatched underflooring is used under the first and second floor. Its quantity is 1,312 × 2 = 2,624 feet B. M. RIFT-SAWED YELLOW-PINE FINISH FLOORING The total area of the first, second, and third floors is 3,695 square feet. Adding 25 per cent. for waste, the quantity of ⅞-inch flooring is 3,695 square feet + (3,695 × .25) = 4,619 feet B. M. YELLOW-PINE PORCH FLOORING Increasing the net area of the porch floor by 25 per cent., the flooring required is 523 square feet + (523 × .25) = 654 feet B. M. _Cost_ The estimated cost of flooring may be analyzed as follows: _Cost of 1,000 Feet B. M., Rough Flooring_ [15] 1,000 ft. B. M., hemlock $27.00 Labor 10.00 Nails, 33 lb., at $2 per 100 pounds .67 ----- Cost per thousand feet B. M. $37.67 _Cost of 1,000 Feet B. M., Finish Flooring_ 1,000 ft. B. M., rift-sawed yellow pine $55.00 Labor, including striking joints 16.00 Nails .67 ----- Cost per thousand feet B. M. $71.67 _Cost of 1,000 Feet B. M., Porch Flooring_ 1,000 ft. B. M., No. 1 yellow pine $45.00 Labor 16.00 White lead for joints (about) .50 Nails .67 ------ Cost per thousand feet B. M. $62.17 [15] The cost of this hemlock is $1 cheaper per thousand than that used in the framing, since shorter lengths may be employed. _Summary_ Hemlock, 2,624 ft. B. M., at $37.67 per M $98.85 Rift-sawed yellow pine, 4,619 ft. B. M., at $71.67 per M 331.04 Yellow pine, 654 ft. B. M., at $62.17 per M 40.66 ------ Total cost of flooring $470.55