how to insulate furance pipe going through wall board

"Flex Line" going into Air Handler/Furnace

On the furnace install, the hard piped gas line stops about 2" outside of the furnace, and transitions to flex. The flex runs through a pre-installed hole (looks like a knock out type hole) in the furnace housing, does a u turn inside the furnace, and connects to the furnace near the burners. I'm perplexed because: 1.【Get Price】

What is the correct way to seal/flash coolant lines through

We normally enter the home through the wall and calk the opening. Going through the vent in my area is not allowed, you can bore a hole through the foundation, but most lines run in the wall / ceilings to the air handler so this method is industry standard in my opinion. – Ed Beal Sep 19 '18 at 13:46【Get Price】

Chimney Thimbles: Passing Safely Through a Combustible Wall

Single wall stove pipe, going from the stove to the chimney must have a minimum of 18" clearance to combustibles. 180 degree heat shields are available for single wall pipe, to reduce clearances to 6" for walls and 9" to the ceiling. Clearance for double wall stove pipe is 6" for these areas. More examples of Chimney Thimble installations:【Get Price】

The Temperatures for a Double Wall Chimney Pipe | eHow

Double wall chimney pipe is made from galvanized or stainless steel with some kind of insulation, such as fiberglass or asbestos, packed between the walls. Unlike stovepipe, it can pass through walls and ceilings. Class A chimney pipe is used to vent fireplaces, boilers and furnaces that burn oil, wood or coal, and must meet Underwriter 【Get Price】

How to Insulate Walls: 14 Steps (with Pictures) - wikiHow

In wall-insulation, small holes are usually made in the drywall, into which the sprayer nozzle is inserted to fill the cavity with the spray inside the wall. For this method, open-cell is most often used, especially for ceilings and interior walls.【Get Price】

Clearances to Combustible Materials for Fireplaces & Stove Pipe

This is not the case and can only run from the stove to where it will go through a ceiling or wall. At that point it needs to be connected to a Class A pipe if going into the ceiling, attic and roof. This pipe has a 2" clearance from combustibles and is insulated. Going into a combustible wall requires an insulated thimble.【Get Price】

Insulating plumbing vents and drains? - GreenBuildingAdvisor

Drain pipes have no connection with outdoor air; they connect to septic tanks or municipal sewer pipes, which are below grade and generally fairly warm. I have never heard of anyone insulating a plumbing vent pipe. The vent pipe only pulls in outdoor air when water is draining down a pipe, so the cfm flow of outdoor air is quite low.【Get Price】

Wall Insulation - How to Insulate around Electrical Wires

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators 【Get Price】

Foundation Wall Pipe Penetration Leaks

When pipes are run through the walls of your foundation, they are typically sealed up with concrete, hydraulic cement, or caulk. Sometimes, they're not sealed at all! These penetrations are one of the weakest links in the foundation walls when it comes to holding back groundwater, and it's very common for them to leak water.【Get Price】

heating - How can I prevent my HVAC condensate drain line

When your furnace burns, the exhaust gas has to go somewhere. In an old furnace, it goes out a metal pipe. In high efficiency furnaces, the gas temperature is low enough that it can go through pvc, which is good, because the low temp gas produces lots of condensate, which would corrode a metal pipe.【Get Price】

Soundproofing a Room or an Entire House — The Complete Guide

These channels or clips absorb sound so it isn’t conducted through the wall studs, resulting in an STC rating of about 46. Typically, the drywall is screwed to a flange on the channels, not to the studs. Combining insulation, channel-mounted wallboard, and a dual layer of 1/2-inch gypsum on one side achieves an excellent STC rating of 52.【Get Price】

safely insulating around hot vent pipes - Fine Homebuilding

On my woodstove and a few other hard to insulate items, I caulked the penetration of the exterior thimble and the pipe. Either furnace cement or high-temp automotive silicone as appropriate. Also caulked the framing inside the wall and the interior thimble. Nothing you can do about the air gaps. You can't fill them with anything.【Get Price】

Chimney Pipe Installation for Wood Stove Through a Flat

Installing a Class A Insulated Double Wall Chimney Pipe through a flat ceiling can be done by DIY homeowners and is an economical, efficient way of heating your living space. We explain in depth how to transition from single wall black stove pipe to double wall insulated chimney pipe.【Get Price】

Flexicraft Pipe Penetration Seals

OVERVIEW: Flexicraft PipeSeals make a rubber seal for pipes and conduit going through walls, floors, tanks, etc. Easy to install and economical, PipeSeals come in a wide range of sizes. By choosing the correct model and number of links, the PipeSeal belt will expand when wrench tightened to fill the gap and create a seal.【Get Price】

Furnace in attic/insulation problem - Fine Homebuilding

I insulated all the duct and built a small “room” around the furnace to keep the drain pipes and water pipes for the humidifier from freezing. I used 1/2″ foil-lined foam board for the “wall.” It got so hot in there that the thermal overload kicked out and I had to vent it into the attic.【Get Price】

running exhaust pipe through walls | Smokstak® Antique Engine

We had a "thimble" (round sheetmetal with a hole in it) made by a local hvac company. cut a hole in the wall, ran the pipe through that, put a slightly larger pipe over the part that went though the wall, and put some asbestos between the two. the outer pipe just gets warm to the touch. we made sure to add insulation and keep everythign away 【Get Price】

A Visual Guide to a High-Efficiency Condensing Furnaces

The flue gases from a condensing furnace can exit through a PVC, ABS, or CPVC pipe because of their low temperature (around 100 degrees F or less). They usually vent out through a wall of the home, at least 12 inches above grade or above the anticipated snow level.【Get Price】

How to Run a Stove Pipe Through a Wall |

Step 3 - Make a Wall. Make a 3½ inch thick wall made of bricks against any combustible wall to which you want to pass the stove pipe. Have 12 inches of space between the combustible and brick walls. Step 4 - Install the Stove Pipe. Install your stove pipe. Leave 9 inches of air space between the pipe and any material that is combustible.【Get Price】

How to run pipes through insulation | Insulation | Kingspan

Any damage to the insulation should be made good by filling any large gaps (10 mm +) with expanding foam insulation and the pipe perimeter should be sealed with flexible sealant. Flue pipe. For flue pipes there may be a requirement to create a separation layer between the insulation and the flue pipe.【Get Price】

Weekend Project: Insulate hot-water pipes to cut down on heat

Cover the pipes up to the point they go through the wall or ceiling and are no longer accessible. Every few feet you might want to secure the insulation to the pipe using acrylic tape, wire, or a 【Get Price】

Make Sure Your New High-Efficiency Furnace Condensate Pipe says a high-efficiency furnace can produce as much as 5 or 6 gallons of water from condensation each day. Condensate Pipes May Freeze Up in the Winter. Most of the time, condensate pipes are set up to carry condensation outdoors through a hole in an exterior wall. The water is able to drain harmlessly into the ground.【Get Price】

Insulating around wall thimble | Forums Home

The regular insulation you see on the pictures stops at the outside of the thimble. In the inside there is the pipe, then around that is the thimble, then open space, and then our blockwall. Our double wall pipe runs through the thimble and to the outside 4 inches or so and then connects with the elbow so we are 6in away from the siding.【Get Price】

Here are seven of the basic rules for getting your ducts in a

Ducts that run through unheated spaces should be insulated. An uninsulated duct will lose a lot of its heat on the way to the register. (This rule is especially important if you're putting an 【Get Price】

How to Install an LP Gas Line Through the Wall of a House

Drill a hole through the house wall using a drill bit long enough to pass all the way through the wall. Drill bits of this size can be rented at most tool rental businesses. Position the hole as close to the appliance that will be using the propane as possible, so most of the pipe run is outside rather than inside.【Get Price】

Crawl Space Insulation Tips for Insulating Crawlspaces

Hi Jacques, that's a lot going on there for sure. To recap just to make sure I'm getting it right - walls are insulated, floor insulated, insulation between joists but heating ducts running through the space? Rigid insulation on an unever surface is for sure not going to perform well, though the vapour barrier is likely helping a lot.【Get Price】

Framing furnace exhaust pipe | DIY Home Improvement Forum

In this wall was the old space for the chimney/exhaust from the furnace room directly below. Because we removed that wall, we moved the chimney over to a different wall space and this meant framing in a new opening for it to go through to the attic and then the roof.【Get Price】

Running a Wood-Burning Stovepipe Out of a Wall | Home Guides

Running a Wood-Burning Stovepipe Out of a Wall. If you're setting up a wood-burning stove or pellet stove, running the chimney pipe through an outside wall saves the time and costs of installing a 【Get Price】

How to avoid ice-clogged furnace air intake pipe? - Google Groups

longer than the flange on the furnace, and feed a heat tape through the pipe to the outside. Use the slot to bring it out at the furnace, and seal the slot with furnace tape. The intake should slope down from the furnace end to the outside; otherwise condensate would flow into your furnace, which would not be good for it.【Get Price】

How to Insulate a Furnace Room | Home Guides | SF Gate

Make precise cuts around pipes and vents that go through the ceiling, as well as any light fixtures. 8 Seal the outer edges of the ceiling insulation where it meets the walls with silicone sealant.【Get Price】

Flue pipe wrapping | Insulation/Energy/Building Envelope Q&A

However, where my furnace flue pipe exits the mechanical room ceiling into the attic (then out the roof) it is a very small/tight area (low pitch roof.) Because of this, I want to somehow have the contractor wrap it with super high temp blanket/insulation and mechanically strap it on.【Get Price】

Venting HE Furnace through wall with wrap around porch

Having the pipes come out of the wall under the porch, I think, Would allow a buil Venting HE Furnace through wall with wrap around porch. - GreenBuildingTalk - GreenBuildingTalk - Green Building Forums on Insulating Concrete Forms (ICF), Structural Insulated Panels (SIP), Radiant Heating, Geothermal Heat Pumps, Solar Power, Green Construction 【Get Price】

Improving Firestopping for HVAC Duct Penetrations in Fire

The average insulation contractor may be faced with situations where he or she needs to firestop HVAC duct penetrations through fire-rated walls. Additionally, many insulation contractors provide integrated firestop installation as a service. Knowledge of how to properly firestop HVAC ducts can go a long way toward making jobs run smoothly 【Get Price】

Pipe Insulation - Community Forums

Probably the best is fibreglass use at least 20-25mm wall or you could use that rubber stuff Amaflex. Also if possible try an allow the atatic insulation to go over the top of the pipe rather than under it so the heat from the house helps keep the pipe above freezing【Get Price】

How to Run Pipes Through Walls and Floors | Better Homes

If you need to run a new stack, assess your framing. An installation with a toilet must have a 3-inch drain, which can be installed only if the stud wall is made of 2x6s or larger (2-inch pipe can be run through a 2x4 wall). Remove the wall surface up to the ceiling.【Get Price】


Heat Recovery Ventilator: Punching Holes Through Outdoor Walls. Creating two 6-inch diameter duct holes through an exterior wall – one for fresh air intake and one for stale air exhaust – is usually the most challenging part of any HRV installation job, especially if you’ve got to go through a masonry wall.【Get Price】

Wood Stove through wall Chimney Pipe Installation Howto

Here is my video, How to install Chimney Pipe through the wall for a Wood Burning Stove.【Get Price】

Plastic Vent Pipes for High-Efficiency Condensing Furnaces

Traditional gas-fired, forced-air furnaces produce hot combustion exhaust gasses and therefore need metal vent pipes, or chimneys. In contrast, modern high-efficiency condensing furnaces exhaust much cooler gasses and need only plastic pipe materials—such as PVC, CPVC, or ABS—for their exhaust vents.【Get Price】

How to Run a Stovepipe Out a Window | Hunker

When placed through a window, it is meant to exhaust the fumes out of the house. These pipes are often present on wood stoves and an improper installation can be a fire hazard. In order to run the stovepipe out of a window, the proper materials and a plan is needed. It is important to purchase a pipe that is thick as it will increase the 【Get Price】

Chimney through concrete wall questions | Firewood Hoarders Club

It'll likely be steel studs and stone veneer. I'll insulate that area as well. The issue I'm having is what to use to run through the poured wall. The "through wall kits, give you a thimble and class A pipe to use when running through a framed wall. Since I'm going through a hole in the concrete, do I really need all the thimble stuff.【Get Price】

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