Furnace Chimney Cap Came Off

Older rain caps for metal chimneys and flue liners can deteriorate or fall apart but installing a replacement cap is as easy as climbing onto the roof.

Furnace chimney cap came off. I know we will have quite a bit more snow rain this year before spring and i don t want to damage my furnace. I wouldn t worry about it for now but you ought to get it replaced before the nesting season begins march april. Without a cap you will most likely have to ward off critters looking to set up camp in your chimney. Your typical chimney crashers are birds squirrels and raccoons.

Just wanted to get a couple of other opinions. Fireplace caps come in many shapes and materials. A chimney is an architectural ventilation structure made of masonry clay or metal that isolates hot toxic exhaust gases or smoke produced by a boiler stove furnace incinerator or fireplace from human living areas. For that reason installing a galvanized or painted steel chimney cap is the most common option.

The most common are metal which are available in aluminum copper and stainless steel. Furnace chimney cap question alaska we had some high winds that blew my gas furnace cap off. The cap must be durable enough to keep these nuisances out. Slide the new cap into the flue.

My local hvac guy says it can wait until the spring when the snow melts off the roof. Home reference book the best chimney caps extend at least 1 inch over the edges of the chimney so water does not drip off the edge of the cap and into the chimney. Or worse the nest fall downs the chimney and blocks the flue eek. Michael has experienced more than a few panicked calls from homeowners without a chimney cap who found unwanted guests in their home.

Level and secure the cap. If the stub section on the cap is too large crimp it with a crimping tool. According to carson dunlop associates in essentials of home inspection. Chimneys are typically vertical or as near as possible to vertical to ensure that the gases flow smoothly drawing air into the combustion in what is known as the stack or.

If you don t there s a danger that a stupid bird will nest in the chimney causing a blockage. You may be able to buy a pre made cap at a heating supply retailer if you have a standard size clay liner that protrudes above the top of the chimney.