Ten Thousand Dream Interpretation

by Gustavus Hindman Miller
To dream of lumber, denotes many difficult tasks and but little remuneration or pleasure.

To see piles of lumber burning, indicates profit from an unexpected source.

To dream of sawing lumber, denotes unwise transactions and unhappiness.

The Complete Guide to Interpreting Your Dreams

by Stearn Robinson - Tom Corbett
Neat stacks of lumber seen in a dream signify increasing prosperity; but if the lumber was scattered around or in poor condition, it portends a need for careful planning to protect your interests.

See also Log, etc.

Islamic Dream Interpretation

by Ibn Seerin
(Hypocrisy) In a dream, lumber represents a person who mixes with hypocrites, or one who mixes goodness and hypocrisy in his life, or one who appears better than he is in reality. Damp lumber represents boys. Ifa traveller on a boat sees lumber in his dream, it represents the boat he is travelling on.