A Chimney Cap for Woodland Hills Homes, at a Price You See First

The low end of the range is a stainless single-flue cap that clamps onto a standard clay flue tile on a one-story roof. The high end is a multi-flue or top-mount cap that covers the whole crown, sized to order for an odd-shaped chimney or a tall stack that needs extra ladder work. Most Woodland Hills ranch houses with one fireplace land near the lower half. Copper caps and decorative shrouds cost more and sit outside this range; we quote those separately if you want one. We measure the flue on the first visit and give you the exact figure before fitting, so you are not guessing from a range.

There is a real choice between a single-flue cap and a crown-mount cap. The single-flue cap is cheaper and does the job of keeping rain, animals and embers out of the flue. The crown-mount cap also keeps rain off the crown itself, which helps if the crown is already cracked and you want to put off recasting it. If the crown is sound, the cheaper cap is usually enough. If the crown is marginal, a crown-mount cap can be the smarter spend this year, with a crown repair later. We write both prices down so you can compare.

Most of what we tell homeowners can wait. A missing cap is not on that list. Without one, rain falls straight down the flue onto the damper and the smoke shelf, rusting the damper and soaking the mortar. Birds and raccoons move in during spring. And in Woodland Hills, with brush on the hills to the south and west and Santa Ana winds most falls, the spark screen on a cap is what keeps embers from leaving the flue and landing on a roof or in dry brush. The Woolsey fire in 2018 burned close enough to the West Valley that most homeowners here do not need that explained.

Caps also wear out. Galvanized caps from the 1980s and 1990s rust through, and wind can lift a loose cap off its tile. When we replace a cap, we check the crown underneath and the condition of the top flue tile, because a new cap on a cracked tile will not stay put. If the tile needs work, you will get that as a separate line, with the cap price unchanged. A cap is one of the few chimney jobs that pays for itself quickly in repairs it prevents.