Make sure to do this on the grass or a soft surface so you don't puncture it. Straighten the liner out as best as you can. For this application we will be demonstrating the two part tee connection. The part of the tee connection with the cut out on the side is known as the vertical part of the tee. The part of the tee with the looping hose clamp is known as the horizontal part of the tee. Start by locating the vertical part of the tee and insert the liner into the top of the female end.
Tighten the clamp at the top of the vertical part of the tee around the liner with your flat head screw driver. This will give you a great, tight fit without having to drill screws through the liner. The first part of the chimney liner that will be going down the chimney is the vertical part of the tee connection attached to the liner. Proceed to lower the liner down the chimney until you reach the thimble. The thimble is referred to as the hole on the side of the chimney in the living space that allows stove pipe to attach to the chimney.
Twisting the flexible liner will help you install the liner if you are getting caught or hung up on the chimney walls. Now you will need to head into the house to finish connecting the tee. Locate the horizontal part of the tee connection. First, insert the horizontal section of the tee, hose clamp end first, into the thimble. Snake the vertical part of the tee through the horizontal hose clamp until the lips of the tee are inside the horizontal part.
You will find when you look through the inside of the horizontal part of the tee that there is a worm screw. With your flat head screw driver, tighten the worm screw until the two parts of the tee connect. Take this step slowly. As stated above, the lips of the vertical part of the tee should be inside of the horizontal part. Once the tee connection has been installed correctly, it is time to connect the stove pipe to the stove.
Most stove pipe comes with three screws per connection point. Use your drill and drive the screws into the horizontal part of the tee and through the exhaust collar of the stove. Now it's time to head back onto the roof to finish installing the top plate and rain cap. Once the chimney liner is all the way down the flue to the point of the thimble, the next step is to connect the top plate to the top of the chimney.
The main function for a top plate is to seal the existing flue from rain, wind and critters from entering the chimney. It also has a clamp located on the inside collar of the top plate to support the weight of the liner. Start by using your caulk gun and a tube of weather resistant silicone to run a bead of silicone along the top edge of the clay flue.
Next, thread the chimney liner through the round collar of the top plate so that the top plate is sitting on the top edge of the clay flue. Locate the locking bolts welded on the four sides of the top plate. Center the top plate on the clay flue and use your flat head screw driver to secure the top plate to the side of the clay flue. Warning: Make sure not to overly tighten the locking bolts. If tightened too much the clay chimney flue could crack.
When you have successfully installed the top plate, the next step is to cut the excess liner flush with the top of the collar of the top plate. The grinder will give the best cut, but a sawzall or hacksaw will work just fine. Once you have cut the excess chimney liner, the next step is to connect the liner to the top plate.
The top plate is meant to bear the weight of the chimney liner inside the flue. On the inside collar of the top plate is a hose clamp. On the outside of the collar is a worm screw that will tighten the hose clamp. Once the liner is flush with the top of the collar of the top plate, take your flat head screw driver and tighten the worm screw so that the hose clamp tightens around the liner.
The next step is to secure the rain cap to the top plate. The collar of the top plate will get inserted inside of the rain cap. There is a suspended hose clamp at the bottom of the chimney rain cap.
See the bubbled-out flange on the collar of the top plate? The chimney rain cap will bottom out on this bubbled flange. The clamp will be suspended just below the bubble to ensure a secure fit. Tighten the rain cap clamp with your flat head screw driver.
Congratulations, you have successfully installed a stainless steel, flexible chimney liner! Please feel free contact me if you have any additional questions. Question 25 days ago on Step 1. I have a century old house with coal burning fireplaces, the chimneys each service 4 fireplaces, 2 back to back upstairs and 2 back to back on the first floor.
This greatly assists in keeping your chimney operating in a safe and enjoyable way. The liner accomplishes this in a few key ways. First, it prevents improper heat transfer; without the liner the wood framing around your chimney is far more likely to catch fire.
Second, it prevents the actual structure of the chimney itself from deteriorating from the byproducts of the combustion process. That being said, this is a fairly complex and involved process — it will take some dedicated following but definitely be worth it for anyone looking to complete this type of install. First, you need to get a review done on the chimney itself. Use a flashlight to look up into it and survey for any bends or restrictions that will pose a challenge to pulling the liner through.
If you have either a wood stove or insert consult with the manufacturer on this. If you have an open fireplace you can find calculators online that help you deduce the appropriate option — we recommend the one found here. Now go ahead and measure for the length of the liner. Time to go buy a liner using the measurements and specs that you have deduced above. Flatten out the liner on a level surface and then hook up the bottom connector to the bottom of the liner and then fasten a hose clamp to the connector with a wrench.
If you do move forward with a blanket go ahead and measure the circumference of the bottom termination, multiply that by 3. Get that insulation, the blanket, laid flat on the ground with the foiling facing down, center the liner on it, and then wrap the insulation around.
Do this until the liner is completely wrapped. Seal the long vertical seam with one long piece of foil tape. Roll out the wire mesh that came with your kit and cover the entire liner including the bottom connector. Down at the bottom connector use a hose clamp to hold the mesh in place, go and pull the mesh taut at the top, and then use another hose clamp to secure it in place; use snips to cut any excess mesh that goes past this. Hook up the bottom connector to the bottom of the liner.
Fasten a hose clamp to the connection with a wrench. Don't fasten it too tightly. Determine whether to use an insulation blanket or a pour-in insulation. If there is more than 2" clearance between the liner and chimney wall on all sides, the blanket liner is best.
If using the blanket liner, measure the circumference of the bottom termination connector, and multiply the number by 3. Add 1 inch 2. The overlap can be trimmed later if necessary.
Cut the blanket insulation from your chimney liner installation kit to the calculated measurement. Lay the cut insulation flat on the ground with the foil-side down.
Center the liner on top, and wrap it with the installation. As you pull the chimney liner insulation closed, leave a minimum of 1 inch 2. Glue the wrap to the liner with adhesive spray as you go.
In 12 inch Repeat this process until you have completely covered the liner with insulation. Secure the seam with 1 long, unbroken piece of foil tape to complete the insulating layer.
Unroll the wire mesh from the installation kit, and cover the entire insulated liner, including the bottom connector. Attach hose clamps to 1 end of the liner to hold the mesh in place. From the other end, pull the mesh taut over the liner. Fasten the remaining host clamps on that end, and make sure to keep the wire meshing tight.
Use your tin snips to remove any mesh that overhangs the liner. Check the instructions on the liner kit. Specific instructions on how to pull the liner through the chimney may vary slightly from the guidance here. When in doubt, always follow the manufacturer's instructions. The most difficult point is typically the damper in the top of the fireplace.
Attach the rope found in your installation kit to the pulling cone or directly to the bottom connector, whichever applies to your specific kit.
Climb to the roof, and position yourself near the chimney. Have a second person feed you the liner from ground level, and return to the bottom of the chimney to assist you in the installation process.
Throw the pulling rope down the chimney for the second person to guide down the liner. Position the bottom connector at the rooftop opening of the chimney, and make sure it is centered to prevent damage to either the chimney or liner. Slowly guide the liner downward. The second person should aid in this process by gently pulling the rope to help the liner's descent. Complete the installation when the bottom connector has reached the appropriate position for your chimney height.
If necessary, cut the top of the liner with your tin snips to equal 4 inches Instruct the second person to hold the bottom connector into place.
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