11.   Redwood and cedar are more expensive than treated lumber, but those woods are naturally resistant to insect damage.

12.   Right now treated lumber is the most practical choice for heavy wooden support pieces that have to stand up to direct contact with the soil.

13.   Rising concern about chromated copper arsenate, the most common wood preservative, prompted the EPA to take a closer look at treated lumber.

14.   The frames of such decks are still generally made from treated lumber, however.

15.   They have to be toxic to kill insects and fungus, but many people want to know if the treated lumber is safe to use around the home.

16.   Treated lumber also has toxins, but they are less likely to leach out into the soil.

17.   Treated lumber is often a little damp when first purchased and must dry a couple months before sealing.

18.   Wilhoite said most of the fences he sells are made of treated lumber, but aluminum fences painted to look like wrought iron are gaining in popularity.

19.   You may use treated lumber inside residences as long as all the sawdust and debris are cleaned up and removed.