Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 215
ese heavy joists are calledtrimming joists; and, as they have to carry a much heavier load thanother joists on the ^ame floor,they are made much heavier.Sometimes two or three joistsare placed together, side byside, being bolted or spiked together to give them the desired unity and strength.… … 30. Showing How a Cut or Open Stringis Finished at Top of Stair. the timber forming the side of theheavier than the other joists, as itwill have to carry short trimmers (T J and T J) and the joists run-ning into them. The method here shown is more particularlyadapted to brick buildings, but there…
Architecture · Building · Carpentry
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