Figure 6-13.—Installing cushion-backed carpeting.Figure 6-14.—Stairways.STAIRSLEARNING OBJECTIVE: Upon completingthis section, you should be able to describe astairway layout and how to frame stairsaccording to drawings and specifications.There are many different kinds of stairs (interior andexterior), each serving the same purpose—themovement of personnel and products from one floor toanother. All stairs have two main parts, called treads andstringers. The underside of a simple stairway, consistingonly of stringers and treads, is shown in figure 6-14,view A. Treads of the type shown are called plank treads.This simple type of stairway is called a cleat stairwaybecause of the cleats attached to the stringers to supportthe treads.A more finished type of stairway has the treadsmounted on two or more sawtooth-edged stringers, andincludes risers (fig. 6-14, view B). The stringers shown6-11
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