A treatise on architecture and building construction . Fig. 106. brick under the top course. The top course a should be laidas a stretcher course, provided it does not project more than3 inches from the face of the wall; this reduces the numberof end joints in the brickwork. The brick should be laid incement, so that the mortar in the joints will not be washedout. If the top course a is built as a stretcher course, thecourse d should have at least every other brick a header. 250. When it is not possible to use beveled brick forthe top course, some other means of protecting the uppersurface sho
A treatise on architecture and building construction . Fig. 106. brick under the top course. The top course a should be laidas a stretcher course, provided it does not project more than3 inches from the face of the wall; this reduces the numberof end joints in the brickwork. The brick should be laid incement, so that the mortar in the joints will not be washedout. If the top course a is built as a stretcher course, thecourse d should have at least every other brick a header. 250. When it is not possible to use beveled brick forthe top course, some other means of protecting the uppersurface should be used, as unless some precaution is taken 142 MASONRY. 7 to protect the top of the projecting- brick from the wet, therain water will eventually soften the joint and penetrateinto the wall. The end joints of the top courses are espe-cially likely to be washed out. Fig. 107 shows the best. Fin. 107. method of protecting the top courses, when beveled brickare not used; this is by means of lead .sheets built into thesecond joint above the belt course, and turned down slightlyover the face. Another method consists of a beveled course of Portlandcement, as shown at a, Fig. 108. This is not considered as
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