Wood Products Use Trends in FHA-Inspected Single-Family Houses

In 1968, an average of 10,271 board feet of lumber, 4,158 square feet (3/8-inch basis) of Plywood, 1,062 square feet (1/8-inch basis) of hardboard, 742 square feet (1/2- inch basis) of insulation board, 180 square feet (3/4-inch basis) of particleboard, and 3.7 squares of shingles and shakes was used in new, single-family houses inspected by the Federal Housing Administration. These volumes were higher than in 1959 and 1962 for all products except lumber. There was also a small drop in the use of insulation board between 1962 and 1968. The decline in the use of lumber was mostly in sheathing and flooring. There were increases in the use of lumber for framing, and millwork and trim. The use of plywood and the other wood products was up in nearly all end uses and components. Most of the increases in wood use over the survey years reflected the growth in the average size, of the houses inspected. Some of the growth in plywood and particleboard use, however, was caused by the substitution of these materials for lumber.

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