The provisions of this chapter shall not apply in respect to the use of form lumber by any person engaged in the constructing, repairing, decorating or improving of new or existing buildings or other structures under, upon or above real property of or for consumers: PROVIDED, That such lumber is used or to be used first by such person for the molding of concrete in a single such contract, project or job and is thereafter incorporated into the product of that same contract, project or job as an ingredient or component thereof.

Intent—1980 c 37: See note following RCW 82.04.4281.