Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 149
hole left in the wall toreceive it, or the wall will becorbeled out to form a seatfor the beam. If the beamenters the wall the end shouldbe cut as shown in Fig. 156,so that in case of the failureof the beam from overload-ing or from fire, it may fallout without injuring thewall. Every fifth or… … Fig. 158. Effect of Releasing Diagonal- andSquare-Ended Joists 117 106 . CARPENTRY There must always be left around the end of a beam whichis in the wall, a sufficient space to allow for proper ventilation toprevent dry rot, and the end should always be well painted to keepout the moisture. Patent…
Architecture · Building
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