What Thousand Oaks weather does to the job
Rain in the Conejo Valley comes mostly in a few heavy winter storms, so a chimney can sit dry for months and then take several inches in a week. Hot inland summers bake sealant and crack thin mortar crowns between those storms. Much of the city sits near mapped high fire hazard areas, so a capped flue with a sound spark screen does two jobs here. On a gas logs visit that means checking the parts that take the weather first, the crown, cap and flashing, before deciding what the chimney needs.

