Edge Grain Flooring, Clear Grade.—Especially suited to porch floors as it wears well and resists effects of moisture.
Clear Drop Siding.—Contains no sap, shakes or other defects.
Shingles, Lap Siding, Y. P. and Cypress Finish, White Pine Boards
5 to 2 Clears.—The heaviest grade five shingles laid one on top of the other will measure 2" at the butts.
6 to 2 Extra Star A Star.—A lighter grade, but clear and 16", as are the 5 to 2" grade.
Bevel or Lap Siding.—Carried in stock in red cedar, redwood, cypress, and white pine. "Clear" is free from all defects.
Cypress "C" Grade.—Has small sound knots and other slight defects such as can be covered with paint. All siding is bundled 10 pieces to the bunch in random lengths. Not furnished in specified lengths.
Yellow Pine and Cypress Finish.—This stock in "clear" grade is practically free from defects. The yellow pine is suitable for interior finish. Cypress is suitable for inside finish or for cornice work on first class jobs. "C" cypress finish contains some knots and other slight defects. Is suitable for outside finish on ordinary jobs.
White Pine Boards. As a rule, carried in stock only in No. 1 grade. Nothing but sound, red-knotted boards should be included. No shakes. Excellent for exposure to weather.
77. Estimating Lumber Quantities.—Lumber is measured in terms of the board foot as a unit, 12" by 12" by 1" or its equivalent, indicated by the abbreviation B. M. (board measure).