Wood in various forms and shapes is used in many projects, even where the main structural framing is steel, concrete or masonry. The estimator should ensure that the costs of all wood materials are included in the final estimate. Wood-framed projects are commonly sized in thousand board feet, or MBF. The board foot per linear foot of any stick of lumber can be calculated by dividing the nominal cross-sectional area by 12. Accessory connector items such as screws, nails, adhesives, hangers, connector plates, straps, angles, and hold-downs need to be considered as well.

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