10% Off! Take measurements for the length, width, and height of the chimney’s flues. Choosing a chimney cap can be an overwhelming task but fortunately determining what size chimney cap you need is not as difficult as it seems. • Chimney pot should fit flue provided the flue is cut flush with the cap. Round chimney caps are installed either for metal chimneys or masonry chimney round clay pot flue tiles. Now if you have a single flue chimney with a flue that is either flush or does not extend high enough above the chimney to allow for a flue mount cap, gather the outer length and width of the flue. Feb 6, 2014 - The most dangerous element to a chimney is moisture. Here are some factors that can affect the chimney caps prices and the total cost of the installation: Size of your flue – if you haven’t had a chimney cap yet, the size of your flue and materials that would cater to its size. It will all depend on the size of the cap and what material is it made off. Hats can shrink with time from sweat, humidity, and washing, especially certain hat styles such as cotton baseball caps.Conversely, leather hats, straw hats, and felt hats can stretch a bit after use, but you should still go bigger if in between sizes. The Classic Bell copper chimney cap has a standard 24" inside height for the spark arrestor; the Suburban copper chimney cap a 20" height. You can still use a flue mounted cap you will just need to use a chimney cap leg kit that will allow the cap to be held into place from the inside of the flue. A single extended flue requires you to know the width and length of the flue itself only. Thus, chimney caps for oval flues always come with smaller than customary spaces between the screen mesh wires. The Vertical Skirt on Outside Mount chimney caps attach to the sides of the chimney with screws or chimney cap … Chimney flues that are taller than 1 inch need a chimney cap that sits on the outside of the flue that is bolted or clamped in place. For a circular flue, measure the diameter. Measure it using a metal measure. A Poly brush is recommended for metal chimneys since it won't scratch and wear down the inner stainless steel lining. Installing a chimney cap on your chimney will help to prevent damaged caused by water. Chimney caps with 5/8″ mesh, therefore, are considered the industry standard for all localities that require chimney caps with “1/2 inch spark arrestors.” Since so many of the chimney caps with the smaller, 5/8″ mesh are used in California, chimney caps with the 5/8″ mesh are also often called California-style chimney caps. Select either a round wire or poly brush that is the same diameter as your chimney. Video Highlights: 0:05 Free Shipping Day 0:09 Details 0:22 Promotion Code Needed The holiday shipping clock…, Video Highlights: 0:08 Our pledge to our customers 0:17 Shipping Deadline Dates 0:44 Gift Certificate Purchase…. 0:54 Measuring an oval or round flue chimney for a cap Single chimney flue caps and multi-flue chimney caps, which cover two or more chimney flues, can be terracotta, copper or stainless steel. When you choose a chimney cap, keep in mind that if the screen mesh is too small, it can become clogged more easily. As a general rule, the diameter of the chimney should match the flue collar on your wood stove. Feb 6, 2014 - The most dangerous element to a chimney is moisture. A single flue chimney with an extended flue is going to be the most common chimney style. Round caps for metal chimneys will either slide in place or tightened with pressure screws. Using a ban saw, cut the materials to the approximate chimney dimensions. For example an 8″ x 8″ cap may mate to flues from 6″ to 8.5″ in both width and length. A **single **flue chimney with an extended flue is going to be the most common chimney style. You can find more information on Chimney Chase Covers here. Rohlin holds a Bachelor of Fine Arts in English from Madonna University. Your chimney cap can be any screen size between the dotted red rectangle and the dotted black rectangle. Some top-mount chimney caps can be installed with the mounting … This measuring guide will help you choose the correct size clay chimney pot. If your flue is oval or round you will need to use a top mount style cap.Measure the total crown width and length, length and width of the area surrounding the flue, and the height of the flue if extended. With masonry (at least here in the Kansas City Metro) the common sizes are 8 by 8, 8 by 13, 13 by 13, 8 by 17, and 13 by 17. A chimney flue is a round pipe located on the roof of a home that is connected to a fireplace chimney. Diameter - Straight measurement across the center of a circle. If you have one square flue, take measurements of the length and width of the outside of your chimney. This how to video takes the confusion out of measuring your chimney. Single flue chimney with the clay tile raised from the crown is the most common. It will also be the easiest cap to measure for; you will simply measure the outer width and length of the flue extending from the chimney. They can also be used if you have only one flue on the chimney. Use the sheet metal to form the roof of the cap, and then use the wire netting to form the walls of the cap. Select a chimney cap that fits over the chimney top and provides a 5-inch clearance space between the top of the flue pipe and the roof of the chimney cap. Leave at least 6 inches of space between top of cap and flue edge. A chimney cap is basically a metal base that sits along the rim of your chimney, topped with a mesh box and a metal cap above that. Accurate measurements are important when ordering your chimney chase cover. Measure the height of your chimney flue, from the top of the chimney, called the chimney crown, to the top of the flue. Installing Chimney Caps. If you can match a picture of a flue to the flue or flues you see on your chimney, you can now get a safe, appropriate, correctly sized chimney cap or chimney caps for your home. And, finally, measure the height of your flue. Choosing a chimney cap can be an overwhelming task but fortunately determining what size chimney cap you need is not as difficult as it seems. What size chimney cap might you need? It will also be the easiest cap to measure for; you will simply measure the outer width and length of the flue extending from the chimney. Chimney Caps Installation Cost Factors. Then measure the length and width of the area that encompasses your flue. If your flue doesn’t stick up at least an inch, or if you have multiple flues, measure each side of the area you want the chimney cap to cover. Measure the length, width, and circumference of your chimney crown, and flue vents. Size Up. So, naturally you are going to want to be vigilant against any rainwater entering your chimney. This will allow air to flow down the chimney flue and properly ventilate fire smoke. Slide the cap over the flue or insert into flue depending on design of cap. Select a chimney cap that fits over the outer perimeter of the flue pipe with a diameter similar to the outer diameter measurement of flue pipes that are more than 1 inch above the chimney crown. Unlike chimney caps that bolt directly to the flue or chimney crown, these single-wall chimney caps slip right inside the flue’s opening (the interior pipe). Step 1. You need to make sure you get the right measurements for your chimney so you can buy a cap that fits properly. For masonry chimneys with round clay pot tiles, the cap is inserted into the flue and a bead of silicone sealant is applied to seal the edges. If you look at your chimney and think that none of the shapes really seem to match or you are unsure of your measurements, some companies will be able to help if you send them a picture of your chimney. If you are in need of purchasing a chimney cap, whether you are buying one for the first time or buying a replacement you want to make sure that you purchase the right size for your chimney flue. Choosing The Correct Size Chimney Cowl - If you can accurately guess the size or width of the chimney pot from the floor you can order the right Cap or Cowl from Chimney Cowl Products. This rule is fairly simple and must be followed in every chimney installation. Whatever type you have, keep it well-maintained and it will be a huge asset to your heating system. If you have questions about measuring for a chimney cap or need assistance choosing a chimney cap please give our experts a call at 866-667-8454, we are always glad to help! The best chimney cap will be an outside fit with 4 simple pressure screws. When you go up the ladder to measure, bring a pad of paper and a pen with you. Here you will get step by step instructions on how to measure for a successful outcome. Step 3: Place New Cap. Most chimney caps have mounting flanges that add 1 1/2 inches to each side of the screen. But for the best looking cap and the added protection of covering the chimney crown most people choose a full size cap. Fireplace Flue Size Specifications Relation of fireplace size to flue opening dimensions, Table of required chimney flue size and flue dimensions for masonry fireplaces. For metal or pre-fabricated chimneys you'll need to remove the chimney cap then measure the distance across the inner diameter of the chimney. 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