It is used for the header course placed just after the quoin header. Queen closer is not required for a stretcher course.The middle portion of the thicker walls consists of headers.Those walls with odd multiple half bricks show stretchers on one face and the headers on the other dace. ![]() Hence a course that shows stretchers on the front face would show stretchers on the back face. Those walls with even multiple half bricks show the same appearance on both the faces.This is the case for the stretcher course. The stretchers have a minimum lap of one-fourth their length over the headers.Every header in an alternative course comes centrally over the joint formed by two stretchers below it.In the elevation, the alternate course either shows headers or stretchers. ![]()
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