Building A Chimney Chase

Fire blocking perhaps 3 4 thick plywood or osb fire rated is intended to slow or even prevent the movement of a chimney chase fire between building floors and to prevent the increase of fire intensity and spread by the chimney effects that would occur inside the chimney chase without fires topping.

Building a chimney chase.

It must be finished properly inside and out. A chimney chase is a tall narrow space occupied by chimney pipe running from a fireplace up alongside your home and through your roof. For example the house shown here was built just a few years before my crew and i began working on it but already the paint was peeling from the fiber cement clapboards and the corner boards had begun to rot see image 1. Chimney chase a fireplace chase is essentially a knock out area of structure that hides a metal fireplace or cement blocks in a fireplace.

A chase is a small enclosed space which is used to accommodate piping duct work or other utilities in home or building construction. Renovation of a chimney that has leaked through to the roof sheeting. Framed chimney chases seem to be especially vulnerable and i ve repaired a lot of them over the years. Build chase of fireplace just like any other wall structure by placing its uprights between plates and top plates to create a large box.

A chase is usually built within a wall or ceiling and isn t visible to the eye although sometimes a chase protrudes from a wall due to structural necessity. Chimney chase insulation kevin spellman posted in energy efficiency and durability on august 18 2017 11 27am i have read a lot of articles and forum posts about this but there is not a lot of consensus and each answer seems very case specific. It must be high enough to protect the pipe in accordance with alpharetta building codes. Chimney chase fire blocking requirements.