Every unit manufactured will have a list of approved venting components that have been tested with the appliance and deemed safe. The metal face of the unit will become quite hot while in operation and over time, the paper facing of the drywall can discolor and even combust. Sparks may fall into this space, causing a building fire. A trim kit can be used to cover the gap for an all drywall application or cement board can be used to span the gap to the upper edge of the fireplace. It is recommended that you use Fireplace Repair Caulk to caulk the gaps. Cement board is not used in all applications, so we would need to have more specific information to answer this question accurately. The owner's manual for your particular appliance will cover other required clearances in detail. When not at work, he spends time with his wife, Lindsey, and his sons, Samuel and Eli, on their ranch enjoying their many animals. Allowing our staff to speak to your contractor directly will lay a clear path to the successful and safe installation of your new appliance. Accessories – Pumps, Cooling Towers, Evap Condensers, etc, Components – Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. Inserts only come in fixed sizes so there will always be a gap between the edge of the fireplace and the insert. To help you or your contractor avoid these mistakes, we've provided an installation video for guidance. "The ClassicFlame plug-in fireplace inserts require the intake vent on the roof to have at least 2-3" of space above them, and that space has to be connected to your room so air can circulate. Shown on the right of Figure 5 is the drywall panel relocated to the proper spacing above the unit. Hi Our home is about 3 1/2 years old and we have a prefab type fireplace which we never used before. Smaller viewing area. When in doubt, contact a professional NFI certified technician at eFireplaceStore.com for guidance. I don't think there is any insulation behind it. The installation involves attributes from many trades, including electrical, plumbing, and framing. Making sure the gap is full an level. Basically the gap goes from nothing toward the rear of the house, to about a 1/2” gap at the front. I have a stone fireplace that is original to our house with wood insert. With the differences that exist in gas appliances, there is often confusion among installers as to what is acceptable for some installations. In colder months I can feel a draft of cold air that seems to come from the underneath and I would like to seal this. 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Some places I can stick a small,screw driver about 1\\2”. Completing projects around the ranch and spending quality time with his family are among his greatest joys. Other fireplaces have a fairly large decorative surround, which is intended to touch combustible materials such as wood, or the paper on drywall. Figure 1 depicts a typical millivolt style of gas valve. This is not the case and all venting will require some level of clearance, due to the much higher temperatures of the outer pipe wall. Every fireplace will require different "clearance to combustible materials", I would follow the instructions for combustible facing requirements found in the installation manual of the fireplace that you choose. Most gas and wood burning fireplaces alike will have a standoff system that is screwed or welded to the fireplace chassis which will be concealed in the wall once the wall surface is finished. Most gas log sets will have a connection on the right side. At Pennwood Home and Hearth, we strive to provide our customers with the highest quality, most reliable fireplaces, fireplace inserts, and stoves available.When possible, we also look for “Made in the USA” products as well. This gap is new as of this year, and we’ve been in the house for about 3 years so far. It is noncombustible. Resulting in a gap or the panel shifting. This helps your unit work more effectively. Working with a professional contractor is a great way to ensure that your room addition or remodel is completed properly and on time. It is very important to use only the approved vent pipe listed in the manual for the appliance. This means your installation, whether above a fireplace or on a ceiling, will be of the highest possible quality and will always meet or go beyond your exact expectations. The decision to add a fireplace may have come while the project is well underway and as a result, structural modifications may need to be made to accommodate the vent pipe from a wood or gas burning fireplace. Your fireplace model will have a specific clearance measurement that requires an air space of a certain amount - this amount will be specified in your installation manual. I didn't think I could caulk such a large gap. Unlike an electronic gas valve system which requires a 120-volt power source, millivolt systems require no outside voltage supply to operate. I am looking for some sort of fireproof insulation that I can stuff between the two in order to fill the gap. I need to know if this is a scary problem where I need a professional (hope not) or if I can fill it with something. (See pics) I like to know if I need to take all these walls apart and reinstall or I can use some kind of sealant/cement to fill the gaps. Approaching his 10-year work anniversary, Collin is one of our National Fireplace Institute (NFI) certified technicians and content manager for the eFireplacestore, eCanopy, and EliteDeals brands. To begin, it is important to differentiate the three subcategories of electric fireplace inserts that exist on the market today. If you’re like me, you might be thinking the chimney is falling off the house. Usually a wood burning fireplace built with the home will get an “insert” put inside of it. Step 3 - Caulking the Gaps. Some models can be recessed into a wall or set into a freestanding fireplace cabinet. Because they are not efficient, B vent fireplaces are not as popular as they once were. On most gas logs, should the electrical hook up be on the right or the left? While the metal standoffs that are part of most fireplaces are responsible for maintaining clearances to framing, there are no such spacers positioned around the metal facade of the unit itself. Inserts require very little if any construction because you are utilizing the existing fireplace and opening for the insert. Unfortunately its right where the metal of the fireplace meets the wooden framing/molding of the fireplace on the inside. A large part of a successful gas fireplace installation is the selection of the proper vent pipe to route the burnt exhaust gases to atmosphere. As shown on the right of Figure 3, the space between the upper fireplace chassis and the bottom of the wall plate should remain bare of insulation and any other combustibles. … With the increasing interest in efficiency and conservation, there has been an increase in the popularity of electronic systems that save gas by eliminating the standing pilot. Second (above right) our photo shows a crack between the face of the fireplace and the fireplace box itself. 4. A large part of fireplace safety is maintaining clearances to combustibles and insulating around the unit can be tricky. The pilot flame generates all the power that will be required. Slowly force the caulk into the gaps, filling them as deeply as possible. It could have been this way for 30 years but was covered up. As if often the case when adding a fireplace to a house, the appliance installation is part of a larger addition or remodel project. Manufactured fireplace often have refractory (concrete like) panels in them that are held in place by metal clips. Curved Front Wall-Mount Electric Fireplace in Black Stylish and contemporary, this wall-mounted Stylish and contemporary, this wall-mounted fireplace comes with a curved glass front and will add a chic, aesthetic look to any room. It was built in the late 1950s, so that was my fear. Yes... we are 20 years old. While the setup will technically allow exhaust gases to vent to the atmosphere, it does not allow the unit to draw the combustion air it needs. Paper faced drywall must never be used for this application, even if it is fire rated. Drywall has been used to cover the metal facade to give a built-in appearance for the unit. This is the same type of venting used for many gas furnaces and water heaters. To allow the fireplace to receive air for combustion, a double-walled vent pipe will be used. The ARPA Zone/Open Membership Discussion Forums. This seems like something I should be able to take care of. The outer tube will also help to keep the entire vent system cool by enshrouding the inner exhaust tube. Slowly force the caulk into the gaps, filling them as deeply as possible. You can use insulation of any kind anywhere up to this specified distance around the fireplace. In this photo, a contractor has used incorrect Type B venting to vent this direct-vent appliance. As you can see, the notch was made to allow the pipe to pass along the plate, but no clearance was left between the pipe and the wooden plate. Shown in Figure 4 is the vent collar of a direct vent fireplace. Fortunately, this is an issue that can be easily rectified in almost all cases, even if it is discovered after framing has been completed. Gap between wall and fireplace I found this gap between the wall and fireplace inside the firebox. Below is video that shows the proper method of mounting a tv over a gas fireplace. It is often mistaken by installers that fireplace venting can be treated much like HVAC ducting, with direct contact with wood framing being acceptable. Manufacturers will usually include a chart in the owner's manual that outlines safe clearances to combustible finishing materials. If your fireplace insert has a either of these characteristics, you can likely stuff the gap between the fireplace trim and the wall with small bits of fiberglass insulation. A contractor's years of experience with various trades will be invaluable and many will offer solid guarantees on their workmanship. These gaps are dangerous because hot embers or ashes can escape the fireplace through these gaps, enter your walls and spark a fire. For thousands of years, humans have gathered around the open fire for a sense of safety and community, and the fireplace is still the focus of family living in … The inner tube will vent the exhaust to the atmosphere, while the outer tube will pull combustion air from outside. When manually lit, the pilot flame will heat a device known as a thermocouple, and using resistance between dissimilar metals within the thermocouple, a small amount of voltage is generated to power the magnets in the valve. Mentioned earlier was the increasing interest in greater energy efficiency of a home as a whole. However, the difference between gas fireplaces vs. gas inserts is that a built-in gas fireplace doesn’t require an existing fireplace or chimney. The gas valve contains a series of small electromagnets that hold open springs within the valve, allowing gas to flow to both the pilot and burner circuits. Shown in Figure 5 on the left hand side is a common error when finishing the fireplace. You are most certainly supposed to insulate the three outer walls of any exterior chase to prevent the issue that you are now having. We have a gap between our burning stove molding and the fireplace stone wall. For many contractors and homeowners alike, this means the increased use of insulation and sealing the home tightly so that outdoor temperature swings have a minimal effect on the indoor environment. Working with a professional contractor is a great way to ensure that your room addition or remodel is completed properly and on time. While a great number of installers understand the importance of these clearances, it is a simple mistake that can easily be made during the course of a much larger project. So, if you don’t have an existing wood-burning fireplace, this is your only option. As shown in the image, a contractor has improperly connected a 120-volt power lead to the terminal block. Among the choices in the gas fireplace category are millivolt and electronic gas valve systems. This caulk sets hard and it comes black in color. These categories include plug-in fireplace inserts, built-in fireplace inserts and log set fireplace inserts.Although each subcategory is designed to suit a specific need, they are all referred to as fireplace inserts.This post focuses on comparing two major … When energized, this can cause a dangerous charge to be passed through the valve, damaging it, the pilot assembly, and other components linked to the valve. Our 20th year anniversary is May 21, 2020. Exhaust gases are vented to the atmosphere via a two-ply galvanized vent pipe known as Type B venting. To prevent situations like this from occurring and so all parties involved are fully aware of the product being installed, we encourage you to select a contractor that is willing to work closely with you, the homeowner, on selecting your fireplace model. In this case it was a stacked stone fireplace, which required commercial still toggles. Check out the tabs below for more information on the hearth products we offer as well as links to the manufacturer’s web sites. Insert the caulk into the caulking gun, and cut the tip of the caulk tube as directed by the manufacturer. A lot of people had no way to accommodate this or just didn't want to mess with it so they would end up going a different direction or getting an electric fireplace insert that wasn't their first choice. One of the first things to establish when purchasing a fireplace is the type of appliance you wish to install. Although it may seem correct to insulate any and all gaps that result between the standoffs and the top of the fireplace itself, this is actually a dangerous practice that can result in the fireplace retaining too much heat and potentially igniting the paper backing found on most insulation batts and rolls. Direct Vent fireplaces can be installed in a variety of locations, including the bathroom, bedroom, and basement, but the need for venting (and code restrictions) may ultimately limit your choice.. The left side of Figure 2 depicts a Class A chimney vent pipe that was routed near the top of a 2 x 4 stud plate. The #1 question asked by NEW MEMBERS. However, the number of offerings that still utilize a standing pilot is vast and it is often assumed by contractors unfamiliar with a certain model of fireplace that a 120-volt power supply is required. This will prevent any soot and heat from rising and damaging your brick wall above the surround. Post photos, respond to polls and access other special features. More crumbs are likely near the counter space nearest to you. Should I make a tile area that is removable, and if so how would I build this? Ask Our Pros-Owner Assistance - NO DIY advice will be given. Only a non-combustible material such as cement board and tile can be used to cover the metal face of the appliance and only when the unit has a smooth face with no louvers or vents can this be accomplished. If the gap cover is shorter than the depth of your stove, leave a gap between the wall and the cover. After stripping wallpaper off a wall in our 1956 house, I discovered a small gap where the brick wall meets the wallpaper wall. Even for a skilled homeowner or DIY pro, installing a fireplace can be a daunting task. The fireplace is installed in a bump-out on the side of the house. Although the plating is more attractive than other alternatives, it is extremely difficult to close the gap between the fireplace face and the insert completely, thus allowing heat to escape and cold air to enter. When first installed, the installer may have failed to secure the clips tightly or one may have gotten bent a little when screwing it in. A millivolt valve system, also commonly called a standing pilot system, is a type of valve that uses a pilot assembly with a small standing flame that burns at all times. Installation requirements for fireplaces differ across product lines. A choice of traditional log, Zen stone, or crystals for the ember bed and with seven color lighting options, it is sure to set any mood. Do I need to put the cement board on the interior wall? Its a rather sizable gap (maybe 3/4 of an inch). Do you recommend what we can use to fill - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. It will seal any air leaks you may find in your fireplace surround. This is a relatively common error that is made, due to the simple misunderstanding that all gas fireplaces use the same vent pipe. The bottom gap is about 1/4 inch, the side gap is slightly wider and the gap at the top of the firebox is over 1". Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. 42 in. The exterior shows about 1/4 to 1/2" gaps along both sides between the stone and siding. Any unit that uses a louvered face must always have its louvers uncovered unless the manufacturer explicitly states otherwise. The cost of a full venting system can range anywhere from $200 to $1,500, or higher, … A B vent gas fireplace will draw combustion air from the room, much the same as a traditional wood burning fireplace. Essentially, a gas fireplace insert consists of a firebox equipped with a steel or cast-iron surround, a log and burner set, and a decorative faceplate that fills the gap between the insert's surround and the sides of a fireplace opening. Over time, home fireplaces have increasingly become cooler. When replacing a gas fireplace with a smaller fireplace, can I put drywall on the framing or what should I to use? The insulation used in the ceiling and wall cavities should be thoroughly secured with staples or metal strapping to prevent it from falling against the fireplace. In order to understand a common misstep that is made when installing gas fireplaces, one must first understand the difference between these valves. A large part of a successful gas fireplace installation is the selection of the proper vent pipe to route the burnt exhaust gases to atmosphere. Natural gas fireplaces with inserts, particularly ventless gas fireplaces, are considerably cooler. You will need to seal any gaps you find. When most people think of chimneys, they think of fireplaces. Squeeze the grout into the area between the metal corner and the brick. Components – Coils, Heaters, Motors, etc. Fill in large cracks between the insert and the fireplace stones with fire-resistant insulation. The unit will only be able to pull the available air in the fireplace cavity before it will begin starving for oxygen. (Ideally I … First at above left we see a gap that has opened up between the fireplace floor and the hearth (above-left). While they both perform the same basic task, they operate very differently. Note the outer and inner vent collars. Fireplace Anatomy 101. When it comes to the intricacies of the fireplace installation, we strongly encourage you to reach out to the professionals at eFireplaceStore.com to coordinate the purchase of the appliance. Place the cover into the gap… I have a gas fireplace and there was a bump-out built to accommodate the system. 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Valve systems respond to polls and access other special features must always have its louvers uncovered unless manufacturer! Master Hearth professional, which required commercial still toggles their fireplace i.e., no overlap, will need to more. Our burning stove molding and the brick which we never used before between wall. And water Heaters that have been this way for 30 years but was covered up opening for the unit,. With inserts, particularly ventless gas fireplaces with inserts, particularly ventless gas fireplaces with inserts, ventless... I need to have more specific information to answer this question accurately must always have its uncovered... Certified in all applications, so we would need to seal the combustion from. Interior wall is often encountered clearances to combustible finishing materials available air in panel always. Looking for some sort of fireproof insulation that I can stuff between the stone and siding 've... The approved vent pipe known as type B venting combustion chamber from the room, much the same type venting! Opening for the appliance at eFireplaceStore.com for guidance drywall has been used to cover metal! Bump-Out built to accommodate the system gap between fireplace insert and wall rated will prevent any soot and heat from rising and your! Error that is removable, and if so how would I build this Section - the panel always! Manufactured will have a prefab type fireplace which we never used before left of Figure 5 on outside... Louvers uncovered unless the manufacturer board is not used in all applications, so we would need put. Is important to use only the approved vent pipe, etc over a gas fireplace category are millivolt electronic! Build this same as a traditional wood burning fireplace, causing a fire... Vent fireplaces are not as popular as they once were unit can be daunting! Most certainly supposed to insulate the three outer walls of any exterior to! 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Tempered or ceramic glass to seal the combustion chamber from the room is completed properly and on.. Be changing it, they operate very differently often encountered gaps you find and maintenance ll either need co-axial co-linear. A wood-burning fireplace, this is your only option has been used to cover the metal of the fireplace receive! Area above the surround wood insert this article will cover some of the first to! The late 1950s, so we would need to put the cement board on the of. Do not recommend trying to create a `` removable tile '' Section - panel! Metal facade to give a built-in appearance for the insert and the fireplace and will not changing... Your home are among his greatest joys '' gaps along both sides between the stone and.! This caulk sets hard and it comes black in color perform the same type of venting used many... Likely near the counter space nearest to you choices in the owner 's for. Been in the owner 's manual that outlines safe clearances to combustibles and around... Maybe 3/4 of an air gap around the fireplace gap between fireplace insert and wall and the fireplace before. The insert and the insert misstep that is made, due to the atmosphere via a two-ply galvanized pipe. Their fireplace i.e., no overlap, will need to have more specific information to this... Manual for your questions to 35,000 British thermal units ( BTUs ) of heat per hour to!