First at above left we see a gap that has opened up between the fireplace floor and the hearth (above-left). 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. I am looking for some sort of fireproof insulation that I can stuff between the two in order to fill the gap. To understand these issues more clearly, we must first understand differences between gas appliance types. 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. We have a gap between our burning stove molding and the fireplace stone wall. Natural gas fireplaces with inserts, particularly ventless gas fireplaces, are considerably cooler. I have a gas fireplace and there was a bump-out built to accommodate the system. The inner tube will vent the exhaust to the atmosphere, while the outer tube will pull combustion air from outside. Working with a professional contractor is a great way to ensure that your room addition or remodel is completed properly and on time. Insert the caulk into the caulking gun, and cut the tip of the caulk tube as directed by the manufacturer. You are most certainly supposed to insulate the three outer walls of any exterior chase to prevent the issue that you are now having. While they both perform the same basic task, they operate very differently. 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. The pilot flame generates all the power that will be required. Should I make a tile area that is removable, and if so how would I build this? This gap is new as of this year, and we’ve been in the house for about 3 years so far. 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. … The best practice to ensure energy efficiency is to properly insulate the wall cavities around and above the fireplace but to not allow insulation directly against the fireplace itself. 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. A contractor's years of experience with various trades will be invaluable and many will offer solid guarantees on their workmanship. Installation requirements for fireplaces differ across product lines. 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. For anyone who has resolved to move forward with a fireplace installation but has doubts about completing all aspects of the installation properly, it is recommended to work with a contractor or home improvement firm. This means you must have a surround. Participate in over 40 different forums and search/browse from nearly 3 million posts. I wanted to clean and prepare the fire place for gas log use and noticed there is a gap between one (left) sidewall and back wall. Note the black terminal block with wire leads connected. 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. A fireplace surround is typically hollow in the middle, and is usually screwed or hooked straight onto the wall surrounding the fireplace using metal brackets. You Have a Gas or Gel Fireplace . 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. Its a rather sizable gap (maybe 3/4 of an inch). Paper faced drywall must never be used for this application, even if it is fire rated. 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. You will need to seal any gaps you find. When most people think of chimneys, they think of fireplaces. Depending on how wide the gap is, you could use joint compound (small gap), or even a sanded grout like you would use with tile. "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. (Ideally I … Do I need to put the cement board on the interior wall? 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. 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.. Yes... we are 20 years old. 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. Depending on the Direct Vent fireplace you choose, you’ll either need co-axial or co-linear venting. A final issue that is often seen in the field is improper use of combustible finishing materials in relation to the metal face of the fireplace. Smaller viewing area. Shown in Figure 5 on the left hand side is a common error when finishing the fireplace. This helps your unit work more effectively. 42 in. Shown in Figure 4 is the vent collar of a direct vent fireplace. Basically the gap goes from nothing toward the rear of the house, to about a 1/2” gap at the front. 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 … Inserts require very little if any construction because you are utilizing the existing fireplace and opening for the insert. Completing projects around the ranch and spending quality time with his family are among his greatest joys. On most gas logs, should the electrical hook up be on the right or the left? 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. 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. Slowly force the caulk into the gaps, filling them as deeply as possible. With the differences that exist in gas appliances, there is often confusion among installers as to what is acceptable for some installations. 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. Silicone covers can be cut to the correct size with kitchen shears or a durable pair of scissors. A B vent gas fireplace will draw combustion air from the room, much the same as a traditional wood burning fireplace. This is a classic indicator of a millivolt style of valve, but if there is any doubt, we encourage you to contact a technician at eFireplaceStore.com to verify specifics of your model. If you’re like me, you might be thinking the chimney is falling off the house. Over time, home fireplaces have increasingly become cooler. Shown on the right of Figure 5 is the drywall panel relocated to the proper spacing above the unit. This caulk sets hard and it comes black in color. Manufacturers will usually include a chart in the owner's manual that outlines safe clearances to combustible finishing materials. Manufactured fireplace often have refractory (concrete like) panels in them that are held in place by metal clips. More crumbs are likely near the counter space nearest to you. The outer tube will also help to keep the entire vent system cool by enshrouding the inner exhaust tube. However, we do not recommend trying to create a "removable tile" section - the panel should remain exposed. This is the same type of venting used for many gas furnaces and water heaters. Other fireplaces have a fairly large decorative surround, which is intended to touch combustible materials such as wood, or the paper on drywall. Mentioned earlier was the increasing interest in greater energy efficiency of a home as a whole. Inserts only come in fixed sizes so there will always be a gap between the edge of the fireplace and the insert. 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. 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. The #1 question asked by NEW MEMBERS. Ask Our Pros-Owner Assistance - NO DIY advice will be given. Sparks may fall into this space, causing a building fire. He is a Master Hearth Professional, which means he is certified in all three hearth appliance fields—wood, gas and pellet. In order to understand a common misstep that is made when installing gas fireplaces, one must first understand the difference between these valves. 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. RULES for AOP - Owner Assistance and Contractors, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories – Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. Hi Our home is about 3 1/2 years old and we have a prefab type fireplace which we never used before. Are you suppose to put insulation on the outside walls? 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. I would like to place tile around my contemporary fireplace that I have set into the wall, but it has a service panel underneath. Any unit that uses a louvered face must always have its louvers uncovered unless the manufacturer explicitly states otherwise. Resulting in a gap or the panel shifting. These gaps are dangerous because hot embers or ashes can escape the fireplace through these gaps, enter your walls and spark a fire. Components – Coils, Heaters, Motors, etc. I didn't think I could caulk such a large gap. To allow the fireplace to receive air for combustion, a double-walled vent pipe will be used. Place the cover into the gap… Squeeze the grout into the area between the metal corner and the brick. 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 cost of a full venting system can range anywhere from $200 to $1,500, or higher, … Drywall has been used to cover the metal facade to give a built-in appearance for the unit. After stripping wallpaper off a wall in our 1956 house, I discovered a small gap where the brick wall meets the wallpaper wall. 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. It could have been this way for 30 years but was covered up. In this case it was a stacked stone fireplace, which required commercial still toggles. The ARPA Zone/Open Membership Discussion Forums. (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. It is noncombustible. Second (above right) our photo shows a crack between the face of the fireplace and the fireplace box itself. 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. When replacing a gas fireplace with a smaller fireplace, can I put drywall on the framing or what should I to use? Anyone who wants a “sleek” trim around their fireplace i.e., no overlap, will need to consider another option. Fireplace Anatomy 101. To help you or your contractor avoid these mistakes, we've provided an installation video for guidance. Direct vent fireplaces will use a pane of tempered or ceramic glass to seal the combustion chamber from the room. The owner's manual for your particular appliance will cover other required clearances in detail. 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. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. Post photos, respond to polls and access other special features. This seems like something I should be able to take care of. 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. Most gas log sets will have a connection on the right side. Some models can be recessed into a wall or set into a freestanding fireplace cabinet. Step 3 - Caulking the Gaps. The standoffs are meant to be a guide for framing the fireplace into the wall enclosure that will house it, with a top plate running along the top of the standoffs. The unit will only be able to pull the available air in the fireplace cavity before it will begin starving for oxygen. Slowly force the caulk into the gaps, filling them as deeply as possible. In the case of a gas fireplace installation, there is a long list of the different valve and burner systems to choose from. 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. To begin, it is important to differentiate the three subcategories of electric fireplace inserts that exist on the market today. I don't think there is any insulation behind it. However, the difference between gas fireplaces vs. gas inserts is that a built-in gas fireplace doesn’t require an existing fireplace or chimney. Intensely hot wood fires are becoming a thing of the past, as more communities enact air-quality restrictions and fewer wood fireplaces are being built. With the increased dependence on insulation, a scenario like the one depicted on the left of Figure 3 is often encountered. Our 20th year anniversary is May 21, 2020. It will seal any air leaks you may find in your fireplace surround. Below is video that shows the proper method of mounting a tv over a gas fireplace. If the gap cover is shorter than the depth of your stove, leave a gap between the wall and the cover. 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. 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. It was built in the late 1950s, so that was my fear. Some places I can stick a small,screw driver about 1\\2”. Fortunately, this is an issue that can be easily rectified in almost all cases, even if it is discovered after framing has been completed. This article will cover some of the most common errors made by even the most experienced professional. 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