Definition of treated lumber in English English dictionary
A wood product, which has been impregnated with chemical pesticides such as CCA (Chromate Copper Arsenate) to reduce damage from wood rot or insects Often used for the portions of a structure that is likely to be in contact with soil and water Wood may also be treated with a fire retardant
Wood that has been impregnated with various chemicals to retard damage from rot and insects Often used in areas where lumber comes in contact with the ground or is exposed
A wood product which has been impregnated with chemicals to reduce damage from wood rot or insects Often used for the portions of a structure which is likely to be in ongoing contact with soil and water Wood may also be treated with a fire retardant