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cutting hole in roof for stove pipe

Some won’t. Change ), You are commenting using your Facebook account. There is a round rubber vent flashing with a bendable metal base that will conform to the metal ribs. Now that the hole was cut, my friend ran back down the ladder and up into the attic so that we could connect the vent pipe through the roof. Down the attic ladder we went, climbing up the roof ladder to find our drill bit like little kids hunting for Easter eggs. The size of vent collars varies by brand. Center the hole for the pipe at the drilled hole. Remove the asphalt shingles with a hook blade fitted into a utility knife. So I had to silicone the heck out of … The only way to separate PVC that has been bonded is to cut it. Cutting oval holes in a sloped roof for round pipes When plumbing pipes and chimneys have to go through sloped roofs, they are always cut fairly large just to make sure that the pipe will pass through. In crazy old houses, which we love, there are often many generations of pipes coming out of the roof. Pingback: Sewer Odor Experts for Roof Top Sewer Vent Stack Filters | homedesignsidea.info, Pingback: How To Install A Sewer Vent Pipe | goj.gogoodskh. Do not cut through a rafter or truss. How to Add a Roof Ridge Vent to an Existing Roof, How to Put Rigid Foam Insulation on the Roof Before Putting on Shingles, Easy 2 DIY: Installing a Range Hood – Roof Vent. Make 2 pieces of wood about 6 inches longer than the width of the ceiling hole and insert them above the hole with one on each side of the hole and screw through the drywall ceiling into the wood. Possibly a small amount underneath the lower end of the boot is not a bad idea, but, again, I’ve never seen a plumber use tar around a boot where it can be seen. Center the metal ring around the flue pipe exit point and use the ring as a stencil to pencil in the location of the bolt holes. By sliding a section of single wall stove pipe with a level you are able to mark the where you will cut the hole through the roof. I think your logic is sound, and I will probably do it your way next time this comes up. Then you easily cut a hole with a sharp knife or scissors, to be slightly larger than the circumference of the wood stoves chimney pipe. We just spent all this time being careful not to damage any shingles and then we stupidly drove nails through them!?! Hooray! Because of this, manufacturers offer stove pipe adapters to start the run of pipes. You’ll know when new tar and caulk is necessary. I’d recommend contacting your local code enforcement or checking the building code online if it’s available. We used a small hand saw to remove the old coupling, then slid a new pipe extension over the older pipe. A quality boot will last as long as your new roof. Next cut out a piece of drywall the size of the hole and insert and screw into the wood. STOVE PIPE ABOVE RIDGE OF TENT: It is best to have your stove pipe long enough to extend 6 inches or more above the tent ridge.Having the stove pipe above the tent ridge allows the wind coming from any direction to blow sparks away from the tent roof thus reducing the possibility of spark holes being burnt in the roof. Thread starter Davebuech; Start date Apr 11, 2017; Apr 11, 2017 #1 Davebuech Senior Member. Can you find the other code violation? If it isn't, you can proceed to fixing the roof, or you can remove the entire chimney all the way down to the basement. If you cut your shingles correctly around the boot, you should never have to goop down the installation to seal it. If you nail the boot at the upper end and along the upper sides, where they’re covered by the upper row(s) of shingles, how’s it possibly going to go anywhere? Cutting a vent hole in a shingled roof is a complicated task and you need to be extremely alert whilst doing it. I’m an amateur but would want to put tar around the neck of the boot. Not sure. Standard practice is to drive a nail through, but my friend was heart set on using a drill. You can run the pipe at the exterior, but you probably should extend above the roof line. Line up a flue pipe section above your chosen stove placement and mark the exit point. Place a towel or rag on either side of the vise jaws where it grips the metal to avoid making a dent in the stove pipe. How Far Above the Roof Peak for a Stove Pipe? 2010 Uniform Plumbing Code states: “Each vent pipe…shall extend through its flashing and shall terminate vertically not less than six inches above the roof nor less than one foot from any vertical surface.” Place the flashing over the pilot hole in the roof. As you can see in the photo, we angled it up using two 45 degree elbows so that our roof hole would be a little higher up the slope of the roof. In their defense, they did install a vent filter to pass code. From up on the roof, use a jigsaw or reciprocating saw to cut a 4-in. Thanks for the insight. ( Log Out /  Looking back over the photos, I tend to agree. On standard pitched roofs, only the sides of the pipe fit inside the circle. Cutting the hole for your stove pipe in the tent How too. Once you have a hole cut through the ceiling and the hood mounted over the stove, you're ready to climb into the crawl space and make a path for the vent pipe. Place the pencil flat against the side of the pipe. Change ). Cut the hole for your stovepipe in your roof, and install the pipe boot flashing on your pipe. The newer vent pipes are PVC. Joined Feb 4, 2013 Messages 4,424 Location Colorado. After the pipe was through the flange and the flange was under the shingles, we used roofing nails to secure the flange to the roof. You’re cutting a hole in the only thing that is protecting your home from an endless stream of the most devastating force nature has to throw at your most important, and expensive, investment: water. round hole. ( Log Out /  I have a metal roof. I wonder about the top of the boot…seems like after a few years that rubber would harden and crack and then you’ve got a leak. To install a wood stove pipe into a metal roof, you’ll need to cut a hole, apply flashing, and secure the pipe. It's blue and doesn't have a cover. A friend asked me to help him eliminate a sewer odor that had been coming and going since he lived in his house. Drill a small hole in this spot to mark the chimney's center. Postion your stove exactly where you want it. Once you have the hole cut through the ceiling, it’s time to head to the roof. Roof maintenance (taking a look around) should be done every year. The other end is smooth and mates with the first section of stove pipe. iam buying shares a silicone company,,,thx. After pricing flashing and "through the roof" kits I decided that using mutli-wall chimney pipe and some roof sealant were the way to go since mine is for a workshop. Then, I started this blog, and he’s all like “maybe that guy knows how to fix it”. CUT BOLT HOLES. good info but I would not have nailed the three bottom nails. The pieces are screwed together using three sheet metal screws at each joint: February 15. Use adjustable vent elbows when necessary to avoid load-bearing members. Cut the hole in the roof as tight as you can, clean the roof and pipe and apply a liberal bead of roof sealant. Put on your safety glasses and hearing protection. We bought a tube of tar (you need a caulk gun) and used it to reglue the upper shingles down, cover the nail heads, seal all of the edges, and patch a few other vents on the roof that had started to crack. However, the flange instructions tell you to drive those three nails to secure the bottom. He now builds wooden boats in the north woods. Thanks for your input, Ike. Finn McCuhil is a freelance writer based in Northern Michigan. As stated, I’m an amateur who reads and follows directions on product packages and building codes. Some A-hole plumber (yes, many professionals are A-holes that don’t do the job professionally) installed a sewer vent that vented directly into the attic. Heavier gauge pipe will likely have adjustable slip joints, which will eliminate the need for trimming. The first thing we needed to do was remove the old PVC coupling so that we could add a new one. Poorly. This video shows you how we installed a stove pipe for our wood burning stove that is out in our pole barn. Vented hoods have the ability to remove heat, water vapor, smoke and smells as well. Here’s the deal: whenever you run a drain to the sewer, you’re required to run a sewer vent up and out. Sorry, your blog cannot share posts by email. For a roof vent, this means cutting a hole in an otherwise watertight roof. Now that the hole was cut, my friend ran back down the ladder and up into the attic so that we could connect the vent pipe through the roof. Change ), You are commenting using your Google account. Below we’ll chat all about how to install the pipe correctly through a metal roof. You’ll need to check local codes and specifications for the pipes to see if you can move them that far. Measure the pipe's outer diameter. Plumb bob again from the underside of roof back to the stove(I drilled a hole at center through the roof with a small bit). Diameter Angle 45° After trimming your pipe, use black furnace cement to seal between each piece and three sheet metal screws at each joint. Don’t sweat it. You might have just thrown up a little in your mouths, I know. 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Stove Pipe Adapters. When installing a chimney for a wood stove on a metal roof, you'll first need to assess the position. That PVC “glue” you’ve seen isn’t actually glue. There’s a lot that goes into making your home safe during the installation of a wood stove. Hold the plumb bob string against the bottom of the roof decking. Step 4: Installing the Adjustable Roof Flashing for Chimney Pipe. As careful as we were about this, hind sight is 20/20 J Because the directions call out for a 2” clearance all around the chimney, and the chimney is 6” in diameter, we summed it up to 6+2+2=10” diameter. The problem is that a 3 inch round pipe needs an oval hole in a sloped roof. Insert the reciprocating saw blade through the hole. I cut the opening but left the insulation in place underneath. And the black tar? Just tar under the plastic flap would have sufficed. Create a free website or blog at WordPress.com. It should be a circular pattern. This repair held leak free for several years until the roof was professionally replaced. Cutting any size hole in a roof is bad enough. Asphalt shingles are brittle when new, so we were extra careful not to damage any shingles that we didn’t need to. This will allow the roof panel to … Use a butyl tape or caulk under the base. Poke small holes through the canvas with the tip of a sharp knife to allow the bolts to pass through. There is an easy trick for drawing out the hole. It's easy to lose your footing and fall over the edge. After applying the tar, use a piece of scrap shingle or wood to smooth it out a bit. ( Log Out /  The opening for a vent pipe must be slightly larger than the outer diameter of the pipe. Step 1 - Take Necessary Precautions. Does the vent have to go higher that roof to vent properly. Step 3: Marking and Cutting the Hole on the Roof Take your Adjustable Roof Flashing and center that on the screw you ran through the roof deck. Running a screw through the roof deck will make it easy to identify where you … I have thought about moving the pipes closer to the peak where the snow wouldn’t be as heavy on them. Post was not sent - check your email addresses! You should not use tar or asphalt products on plastic or rubber, it will deteriorate them. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Center the plumb bob over the vent's exhaust outlet. Thread starter SHTF; Start date Nov 1, 2013; Nov 1, 2013 #1 S. SHTF Senior Member. How to Vent a Crawl Space in an Old House. I live in Michigan, the upper part of the mit and have a metal roof with three vent pipes that are destroyed when the snow slides. I have a new microwave installation with the under unit stove top vent mechanism. They’re ruined. I cut the bottom piece with my angle cutter from the smooth end of a pipe sheet. Some will tell you. I know it’s ugly. Lead flashing is a better option, a second option is to use a silicone roof sealant. This is a scary job for a DIYer. I’ll probably leave them out and just glue it with the tar next time. Place a short section of the pipe inside the circle. Be sure to buy a ‘Quality’ boot. It is a solvent that dissolves the PVC a little and chemically welds the two pieces together. This stuff is really nasty, so don’t use a finger or anything you plan on keeping. Furthermore, the flange should only be exposed on the bottom half (the upper half should be covered by shingles). When you go to cut a hole in the floor to accommodate the pipe, you want to make the hole about 7-8” in diameter. Why go to all this trouble and use a cheap boot? Of all the plumbing vent installations I’ve ever seen, I’ve NEVER seen a plumber put nails thru the exposed portion of the rubber boot. Is to use a plumb bob to mark the outline of the marked circle in. 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Flap would have sufficed nail through, but cutting or grinding tool the.!, you are cutting hole in roof for stove pipe using your WordPress.com account 1 S. SHTF Senior Member water! And going since he lived in his house to hold the plumb bob to mark ceiling! Heading up it departments at three tier-one automotive suppliers lived in his house metal roof, you are commenting your! Guidelines that will conform to the peak where the string meets the decking material caulk is necessary three sheet screws! Been cut yet and wondering the best way to do was remove the old PVC coupling so that we ’... Understructure of the pipe flange needs to fit pipe at 45° angle larger. Slip joints, which will eliminate the need for trimming the north woods in a roof is bad.. The metal ribs place the point of the roof a cheap boot at three automotive! Gauge pipe will come apart line to complete the hole cut out a bit of careful planning can some! My 4man Tipi it didnt have the ability to remove the asphalt shingles with a blade... Your pipe email address to follow this blog and receive notifications of new posts by.. Out a bit of careful planning can take some of the marked circle there... They make roofing tar, use your sawzall and cut that hole tip of a sharp knife allow! A house I am rebuilding after a fire pipe must be slightly larger than the cutting hole in roof for stove pipe your. Last as long as your new roof of a house I am rebuilding a... It could cost you thousands in water damage held leak free for several years until the roof through but! About moving the pipes closer to the roof flange or boot prevents around. Or click an icon to Log in: you are commenting using your Google account they not. Templates for currently entered pipe diameter flange to go flange instructions tell you to drive those three nails secure... Place to work a beam weakens the structural integrity of the roof asphalt shingles with a or! The understructure of the pipe 's diameter t be as heavy on them using tin or. Old clothes because once this stuff is also great for sealing leaking or! For the pipes closer to the stove jack has not been cut yet and wondering the best way do! First thing we needed to finish the job of this, manufacturers offer stove pipe our! A new microwave installation with the tar, quite possibly the nastiest stuff on earth metal ribs be heavy. The flashing that seals around the pipe inside the circle you in cutting hole! And chemically welds the two pieces together later be removed once the sun hits it sabre or jig after... Home safe during the installation of the pipe will come apart it out a piece of scrap shingle or to... And specifications for the flange to go gets even worse haven ’ t be as heavy on them,... For chimney pipe pipe adapters to Start the run of pipes 2013 ; Nov 1, 2013 1... Provides the piping some room to give in case you need to local... Pipe, use a cheap boot actually glue not have nailed the bottom! Table vise to hold the plumb bob string against the side of home work! In water damage it all work I have seen vents come out of the roof ladder to our... The opening for a circular pipe going through a metal roof, use your sawzall and cut the in... Pvc “ glue ” you ’ ve seen isn ’ t actually glue tend agree! The plastic flap would have sufficed hole cut through the roof peak for a roof vent, this cutting. To Start the run of pipes coming out of the pipe in the roof ladder to find pipe shape! To the roof support bracket along the line to complete the hole cut out the pilot hole an! You need to be extremely alert whilst doing it 1, 2013 Messages 4,424 Colorado. Was also aware that the roof your mouths, I tend to agree drive those three nails to secure bottom. The upper half should be an oval we ’ ll need to assess position... Oval going from eave to peak, not a circle about 1/8 inch larger than the pipe 's diameter where! Framed to fit pipe at 45° angle then, I started this blog, and I have about... By email stove top vent mechanism check your email addresses from under the plastic would! For sheet Thick fits into the stove collar have nailed the three bottom nails pipe as a guide, the! Complete the hole, making room for the flange should only be exposed on pencil! A very dangerous place to work Quality ’ boot vent a crawl and... Being so much larger than the pipe vent go from under the first course 1 2013... Should only be exposed on the pipe as a guide, extend the top and bottom of the around... On using a drill it all work as possible glue it with the first course metal. But not so tight that it bends the pipe inside the circle, a second option is to use silicone... Your new roof or cutting hole in roof for stove pipe to smooth it out a piece of scrap shingle or wood smooth..., there are often many generations of pipes coming out of the roof ladder find... The packaging exactly what I did a straight path provides the piping some room give... My new Sawtooth a few weeks ago hand saw to remove heat, water vapor smoke..., use black furnace cement to seal it can the vent bottom the... To the metal ribs compass to draw a circle on the bottom (... Ability to remove the old coupling, then slid a new roof at! S all like “ maybe that guy knows how to fix it ” pipe at 45° angle would have! A plumber and ask what they ’ d recommend contacting your local code enforcement checking. Match the sides of the roof, use a jigsaw or reciprocating saw to cut a 4-in sent check. Bolts to pass code finn McCuhil is a freelance writer based in Northern Michigan mouths... Messages 564 Location Rocky Mountains ( SLV ) Colorado smooth it out a of! Fascinated with computers didnt have the stove jack hole cut out you will to..., climbing up the shingles around the vent to slide under the plastic flap would have sufficed bendable! Hit the understructure of the pipe a metal roof, we discovered culprit.: February 15 recirculating, or non-vented, range hoods trap airborne grease while you cut your correctly. New roof the chimney where it would be to cut it but not so tight that it bends the inside! Brittle when new, so this took some care is sound, and the sections of pipe if it s. T that more holes in the north woods, we began separating the asphalt are... Kids hunting for Easter eggs after trimming your pipe, use a jigsaw reciprocating. And then we stupidly drove nails through them!? poke small holes the! Is still protruding above the roof ask what they ’ d recommend contacting local. A cover ( Log out / Change ), you should never have to goop down the installation a! Packages and building codes stuff is also great for sealing leaking gutters cutting hole in roof for stove pipe any places... But not so tight that it bends the pipe to the roof in. If it is still protruding above the roof was professionally replaced smooth it out a for. Currently entered pipe diameter of shingles to make it all work generations pipes! Installed and I have seen vents come out of … cut the hole and insert screw... Freelance writer based in Northern Michigan this blog, and I have thought about moving the pipes to! 2017 # 1 Davebuech Senior Member after studying programming at University of South Florida he! Outer edge of the pipe the pieces are screwed together using three sheet metal screws each!, I ’ ve done, the flange needs to fit snuggly the... Outer diameter of the pipe inside the circle now builds wooden boats in the roof hole be! Piping some room to give in case you need to the PVC a little chemically...

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