Silicone is an inorganic substance that has high toughness against temperature fluctuations and UV rays. Start by placing a bead of silicone around the top of the chimney frame near the outside edge. Chimney Brushes & Tools; Fireplaces, Stoves & Inserts . Once the nails are removed you should be able to lift the old cover off. Sealants are a type of substance used to block fluids from penetrating the material it is on. It has the capabilities of sticking to certain materials but not others, while also having remarkable ozone and ultraviolet (UV) light resistance. It instead helps direct water down and away from the structure. Chase Top Covers. Unfortunately most home builders use the cheapest available products , generally galvanized steel. Privacy Policy     Advertising Policy     Share This Site     About Me     Additional Resources, This post may contain affiliate links so I earn a, Occasionally covers that are too small or too big are used and they do not effectually, Outside Wood Burning Stoves - Heating With Firewood. FREE Shipping. 75 $51.99 $51.99 About Us; Service Area; Partners; FAQs; Glossary; Blog; Contact; Get My Estimate; More Info. Used frequently to cover chimney chase surrounds, it fits over the top of the … Blue Sky Chimney Sweeps installs custom chase covers that are made to fit your chimney chase perfectly. Depending on the extent of disrepair, our technicians can perform crown … Silicone is remarkably low in thermal conductivity, toxicity, and thermal conductivity. Like a lid on a shoebox, the cover effectively seals off the top portion of your wood, metal or vinyl sided chimney, reducing unnecessary damage. This type of polymer is derived more from vegetable oils so as to be more organic. The cross break resembles an "X" stretching from corner to corner on top of the cover. Not all sealants are made the same and in order to determine which is the best for your chimney, we first need to go over the two substances in detail. When you count on us for chimney chase cover replacement or installation, you are investing in quality. Atlanta Chimney Doctor will send a technician out to measure your chimney chase to insure a proper fit. A cross break is a diagonal bend in the top of the cover that adds strength to the cover and also gives it a crown which will shed water away from the flue. Whereas silicone is primarily composed of inorganic substances, polyurethane is primarily composed of organic compounds held together by inorganic, urethane, compound. This can be remarkably important for those on a bit of a budget crunch or just need to make a quick fix without harming the bank too much. JB & SON Chimney Services LLC strives to provide the best quality service we possibly … Pre-fab chimneys have a metal covering (chase top) to prevent water from entering the interior of the chimney structure. Chimney Silicone Sealant Adhesive. Next, pre-drill  2-3 holes into each side of the skirt on the new cover. The chimney chase in this older attic communicated directly with the home’s living space and basement below. You’ve come to the right place. A chimney cap is a metal topper that covers the opening of your flue. Inspect the chimney cap for damage and replace it if necessary. Only 18 left in stock - order soon. Fireside Chimney Supply uses only the highest quality mill certified alloys in our stainless steel chase covers. As water pools on top of a faulty chase cover it will run down into the chimney damaging it from the inside out. The smallest gap or hole on the chase cover can lead to expensive water damage. Stove Accessories. This is important not only on the interior of the chimney but also on the outside – especially if you live in an area of large seasonal changes. When sealing a chimney, the best tool to use is a sprayer. The Chase Cover covers the entire top of your chimney. Chase Covers; Chimney Caps & Dampers; Dryer Vents; Showroom; Products; Resources. If your cover is damaged, you should replace it with a stainless steel chase cover. Mortar crowns may be replaced with traditional masonry products or repaired with a specialized sealant called a crown seal. Since a majority of older chase covers do not have a drip edge on the side, rusty water runs right down the side of your chimney leaving behind noticeable rust marks. The builder of the home often saves a little money making this chase cover out of galvanized sheet metal instead of stainless steel. These items are normally used for their decorative purposes, along with functionality. Then used 26-gauge metal to bridge the gap between the masonry and the surrounding wood framing. In terms of chimneys, these sealants are typically organized into one of two camps – that of polyurethane or silicone. after order, fair price. Sealants are a type of substance used to block fluids from penetrating the material it is on. 99. Chimney chase covers are a very economical alternative for protecting a chimney. Silicone, on the other hand, doesn’t have to worry about this because it’s mostly inorganic – meaning that unlike polyurethane there is no pull to go back to its natural state. A chase cover generally comes standard with a pre-fabricated or factory-built fireplace. Chimney Chase Covers If you have a pre-fab chimney with wood, metal, or vinyl siding, a chase cover is the lid that keeps water and animals out of your chimney. If you don't use stainless steel screws they will rust and that rust will run down the side of your chase defeating the purpose of the stainless steel cover. Craftsman Chris Jerome first laid a bead of high-temperature sealant on the masonry. Home. Primarily they keep out rain, snow, animals, and other foreign objects from entering the chimney, all of which can have a devastating affect on the interior of your chimney over time. Products ; Products. While maintenance can vary depending on what the chimney is made up of, typically it is composed of cleaning, looking over, and repairing any cracks or water damage present. Occasionally covers that are too small or too big are used and they do not effectually seal off the top of your chimney. Thanks a lot Chase Cover Jeff was very helpful with making sure I had the correct size chase cover for my double flue chimney. Sometimes infused with other things as well, this simple substance creates a polymer that is used in a wide variety of fields such as adhesives, lubricants, and insulation. This economical chimney cap is the obvious choice to protect a chimney on a budget. Now, place the new stainless steel cover on top of the chimney. All in all, silicone is known for its remarkable toughness and flexibility that is rooted in its chemical composition. Any cracks should be promptly repaired so as to avoid damage to the chimney interior. Learn how to operate, maintain and purchase an outdoor wood boiler. This results in polyurethane having a lifespan upwards to 10 years, while silicone can easily double this or more. Each installation also includes new collars and storm collars sealed with NPC terpolymer sealant as extra protection against leaks. Prefab chimneys have metal chase covers on top of the chase. Do not drill into the top of the cover, only drill into the sides. It is a metal shield that covers the top of your chimney, or chase, to prevent rain, melting snow, and everything else from entering into the chase. Outside wood burning stoves are a great way to heat your entire home with firewood. Chimney caps also prevent burning embers from landing on your roof and other nearby flammable objects. Certain spots like mortar joints, flashing, and the crown should all have a particular focus on them. Although some rusted chase covers can be observed from the ground, you'll have to climb on the roof to fully inspect the top of the cover. Replacing a chimney chase cover is a job that most homeowners can do themselves. Thankful switching over from polyurethane to silicone is possible, as long as special considerations are kept in mind first. Also, when installing the chase, use stainless steel screws. Proper maintenance begins with good old fashioned hygiene. As with a masonry chimney, take care to seal any gaps in the chase that are more than 2 inches away from the pipe, using rigid foam and one-part foam sealant. Regardless of what you choose for a sealer, how you apply them is roughly the same – with a sprayer being the fastest way to do it. When properly used, a silicone-foam can be used to bring new buildings up to fire code compliance. Rust or cracks in the metal indicate the cover is damaged and needs to be replaced. It normally features 3.5" tall sides, with an x-bend to add rigidity. Chase Cover and Chimney Cap Fits perfect, quick dlvy. HY-C SC913 Shelter Bolt On Single Flue Chimney Cover, Mesh Size 3/4", Fits Outside Existing Clay Flue Tile Dimensions 9"x 13", Black Galvanized Steel 4.7 out of 5 stars 1,489 $33.75 $ 33 . The chimney cap is usually attached to the flue with 3 or 4 screws. Often the first part of the chimney to show signs of wear, the crown serves as a barometer of chimney health overall. Polyurethane has a tendency to break down and has lifespan at best half that of silicone. Jerome sealed the edges of the metal to the brick with sealant. Unfortunately, many stock chase covers are aluminum, which fails to stand up to rain year after year. Product Details. The chase covers or chase pans are metal shields that fit over the chimney pipe and cover the rest of the chase opening to prevent rain, snow, animals, or debris from entering into the Chase. Of course, the top section of the chimney should be focused on a bit more by giving additional passes to it. ANIMAL REMOVAL. Once this occurs, water will run into the cracks and make it's way down into the hollow areas of … Available in Copper, Lead Coated Copper, Freedom Gray, Stainless Steel, Aluminum and Steel. sheet metal large enough to cover the framed chase. You can browse the country's largest catalog of fire features and furnishings, while benefiting from the best prices on top quality brands. A concrete chimney crown covers the entirety of the chimney (except for the flue), and its overhang should extend outward at least 2 inches to protect the chimney chase from water damage due to rain and snow. A slightly sloped design allows for runoff when the chase cover is in good repair. A stainless steel cover will cost a little more in the beginning, but the benefits are worth the extra money. Recently, polyurethane compounds have been engineered to be more green. Learn what to look for when buying your next load of firewood. This will prevent water from leaking into the drilled holes. MORE. The original layer of polyurethane needs to be removed first – the reason for this is that the mixture of the two substances can actually undermine the silicone causes it to break down much faster. Find out more about our repair process here. Quality seems to be very good and cover installed easily. A chimney chase cover is a cap that seals off the top of a wood framed or brick laid chimney chase. It was a little bit more money, but now even several years later the chimney chase cover still looks like new. PATIO AND OUTDOOR FIREPLACES. Note that double-wall First, check to make sure the cover fits properly. Available In: Galvanized Stainless Steel Aluminum Copper Without a proper chase cover, moisture can get into the chimney and cause the metal lining to rust, opening up your system to a myriad of issues. These are also designed with a slope for optimum water-shedding ability. OVer time the crown will develop cracks. Chimney chase covers are shaped like the lid of a shoe box and are commonly installed with pre-fabricated fireplaces that have a wood-frame chimney chase. The point of the device is to protect everything below it from rain and melting snow and ice. It’s a piece of metal that covers the top of your chimney and is essential to protecting your chimney from the elements and sealing the heat in. Over time the protective galvanized coating will wear off causing the cover to rust, pit and eventually leak. Unlike a chimney cap that covers only the top of the flue opening, a chase cover fits over the top of the chimney. Like a lid on a shoebox, the cover effectively seals off the top portion of your wood, metal or vinyl sided chimney, reducing unnecessary damage. The official firewood measurement for buying and selling wood. Take out the screws and pull up on the cap to remove it. Applications: For outdoor or indoor use. Chimney pots can be mounted on a chimney, a clay flue or on a chimney cap (usually a chase cover). STAINLESS STEEL CHASE COVERS. It repels moisture to protect your chimney against damages caused during the freeze-thaw cycle. The chimney chase cover on prefab chimneys often is the culprit in cases like this. Typically made from a sheet of metal, the flashing forms a waterproof connection that keeps rain, snow, and other elements and debris from washing up and accumulating against the chimney. The chimney cap go To begin, start by removing the chimney cap. Unlike a cement chimney crown used on masonry chimneys, a chase cover pan is usually constructed of galvanized sheet metal or stainless steel. Chimey Cap Chimey cap fit perfectly, really looks nice on my roof. You may have no idea what a chimney chase cover is, but it’s actually an important part of your chimney. How to install a chimney chase cover by Rockford Chimney Supply. There are chase covers available with two or three holes for multiple flues and chases where the hole is off center for specially designed chimneys. The best way to fix a chimney is to prevent it from happening in the first place and the best way to do that is to seal it. Reinstall the chimney cap and you're done! The cap prevents animals such as birds, bats and squirrels from entering you chimney and building a nest when it's not in use. CC300 Series – Chimney Pots. Because of this versatility polyurethane is used in a wide range of different items such as gaskets, wheels, adhesives, and sealants to name a few. Want to upgrade your fireplace? The chase also aids in directing the smoke and burning embers away from your roof to … Needless to say, this substance is able to create watertight seals that are able to withstand a high-temperature fluctuation – with many experiments putting it at a range of a -100° to 250° Celsius. Learn more our maintenance process here. Chimney Top Dampers; Rain Caps & Chase Covers; Damper Sealing Kit; Silicones and Sealants. Chances are you'll have to specially request a stainless steel cover if you have a company install it for you. Do not use nails to secure the cover because the nails will eventually rust. On a masonry fireplace the crown is made out of mortar and sometimes concrete. 4.6 out of 5 stars 14. These units function similarly to chimney caps, which sit atop masonry chimneys. On the most, basic level silicone is composed of both silicon, oxygen, carbon, and hydrogen atoms. There are many custom chase cover manufacturers who will design your chase cover to your exact dimensions. REFRACTORY PANELS. 17-32 of 666 results for "chimney chase cover" Lindemann 6" Inner Diameter Storm Collar 304. A chimney chase cover plays a vital role in protecting your pre-fab or factory built chimney from rain, snow, animals and debris. Also check the inside of your firebox or around the area that utilizes the chimney. Chimney flashing is essentially a seal that covers the surrounding area of your chimney where it meets your roof. Gently press on top of the cover to seat it in the bead of silicone and secure it to the chimney by using stainless steel screws through your pre-drilled holes. All of our covers are constructed with cross breaks and a drip edge to facilitate water flow away from your flue. Stainless Steel Chase Covers Chase covers are used at the top of chimneys to keep out rain, snow, critters, and everything else. That being said, while labor comes out to about the same, polyurethane will need to be replaced more often than silicone – this means that while in the short term polyurethane is cheaper, silicone wins out in the end. Typically, an older sheet metal cover will start to rust within 10 years and begin leaking within 20 years. Flashing repair. Shop Our Webstore. In fact, silicone is so successful in repelling high temperatures that it’s often used as a way to prevent the spread of fire throughout a home. PREFAB INSERTS. It's a quick and easy job that can add many years to the life of your chimney and prevent costly long term repairs. If you do decide to replace your polyurethane with silicone make sure you follow the proper steps. Second, look for any pooling water or rust on top of the cover. This difference in lifespan is often reflected in the warranty offered by the manufacturer – polyurethane companies typically only require a 5-year warranty while silicone is closer to a 20-year warranty. They’re also called “top pans” because they top chimneys that are sided with vinyl, metal, or wood. If you do there's a good possibility the chase cover is leaking. On vertical sections, which should be the majority of your chimney, this waterproofing should be applied from bottom to top – the reason for this is that sealers have a tendency to run. The rain pan covers the entire top of your chimney. JB & SON Chimney Services LLC started 20 years ago, giving the best quality service around the DMV area. Microbiological growth like mold, fungus, and bacterias are repelled by it. Chimney chase covers come in different designs based on how many flue systems are being vented through your chimney. Free shipping to all of the lower 48 US states. Since you're removing the cap to get to the cover, this is a perfect time to replace it if needed. Stainless steel is the best replacement option because they're the most durable and often have a lifetime guarantee so you'll never have to replace one again. It fits over the top of the chimney like a shoe box lid. Polyurethane is often used as a chimney sealant as it has remarkable toughness and flexibility. Not all sealants are made the same and in order to determine which is the best for your chimney, we first need to go over the two substances in detail. Our 304 stainless steel chimney chase covers are a piece of steel custom made to seal off the top of the chimney in order to prevent moisture from seeping in. I had to specifically ask for stainless steel. Do you know how to identify green firewood? WALKWAY AND RETAINING WALLS. On the sheet, locate and draw a circle that has the same diameter as the outside of the pipe and cut it out. Learn More . The cover is typically held in place by 2 or 3 nails on each side. The hardiness of silicone means that many people want to use it as a sealer but already have polyurethane on the original structure. We carry the Forever Stainless Steel Stock Chase Cover - 36" x 78" as well as the entire Chim Cap Corp line - Get free shipping and pay low prices. The organic nature of polyurethane means that it’s susceptible to break down over time in the form of UV radiation. Now that the cover is off you're ready to install the new stainless steel cover. This ‘running’ can be taken advantage of by reinforcing the bottom section of the chimney with additional sealer. Chimineas / Firepits; Cupolas and Weathervanes; Other. Next, you need to remove the old chase cover. “Sealing penetrations in an … In terms of chimneys, these sealants are typically organized into one of two camps – that of polyurethane or silicone. Learn how much wood is in a cord of firewood. It's concerning that this is very common to come across. This is a result in the polyurethane, despite being trapped underneath the silicone, still breaking down – this breakdown can cause both the lower layer of the polyurethane and the upper layer of the silicone to fall off the chimney, removing its sealing properties. For instance, if the polyol is organized in longer segments that polyurethane will be an elastic polymer, while a heavy amount of crosslinking will create a more rigid substance. Although it requires climbing on your roof, the job is fairly simple and you should be able to replace the chimney chase cover in about 1-2 hours. What is a chimney chase cover? Chimney chase covers often rust over time and may even drip rust stained water onto the exterior of your chimney. The gap between the masonry and the crown should all have a install... 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