Chimney Chase Repair

Chimney chase fire blocking requirements.

Chimney chase repair.

Chimney chase top repair replacement. 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. Chimney chase tops are not quite the same as a chimney cap. We make the cricket wider than the chase by about 6 inches on each side.

A cap only covers the flue of a chimney whereas a chimney chase top covers the entire top of a chimney like the lid of a shoebox. The chimney cap and cover protect the top of the chimney from debris snow rain and animals and keep hot fireplace embers contained. Replacement chase covers come in a variety of different materials all of which offer different benefits. Explore other popular home services near you from over 7 million businesses with over 142 million reviews and opinions from yelpers.

When we do a chase repair we usually rebuild or add a water diverter or cricket at the top see image 1. In the late 70s and early 80s chase covers were common in prefabricated fireplaces but due to the lack of details during this time many chimney chase covers were improperly installed. If you need help with inspecting your chimney chase cover or with full scale chimney and fireplace inspection call chimney solutions of alpharetta ga. To build a fire retardant chimney chase one might use fire retardant plywood and sure one could try spraying a fire retardant coating but those are not common practices.

Chase cover replacements from home safe hearth chimney inc. Manufacturers used cheap materials to build these chimneys and in many cases chase covers rusted after only five years. We carry a wide array of chase covers which can be properly installed by our experienced technicians. Chimney chase cover or cap repair cost.

Codes allow a maximum of 90 degf temperature rise above ambient inside the the chimney chase well below the combustion or pyrolysis point for plywood. In cases of very minor damage repair can solve the problem temporarily but remember chase covers weren t designed to last for decades. Chimney chase pan installation repair most homes with factory built chimney systems have a chase built around the chimney pipe with a chase pan installed at the top to protect it. Extending the cricket past the corners helps divert water flowing down the roof away from the chase and also simplifies step flashing installation.

Chimney cap or chase cover replacement costs 200 to 700 on average depending on the material dimensions accessibility and season.