can i use any foil hvac tape on plenum tape university

Aluminum foil tape | Hearth Forums Home

Feb 19, 2009· the foil tape that's mentioned on here is designed to be used on heating units, like the exhaust venting for an oil burner, etc. Heat will be no problem for it. You can get it in rolls at your local HD or Lowes in the plumbing dept. orangecrushcj7 Feeling the Heat. Jun 30, 2008 352

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Nashua Tape 1.89 in. x 33.9 yd. Foil Mastic Sealant Tape ...

Hints for a good result: - Clean the work surface - this goes for any tape - nothing sticks well to dust - Use scissors to cut the tape - you *can* tear it, but it leaves a ragged edge that makes it difficult to remove the backing - Press in place solidly - the thickness really seals well, but it needs a firm hand to help it conform to the ...

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Sealing Duct Work From The Inside? Good Idea? Bad Idea?

May 12, 2013· I have 9 flex duct lines coming off a sheet metal trunk in my attic. I started sealing it last year, but quickly lost interest:grin2: I was doing it the way I thought was right, pulling the duct tape off, putting HVAC mastic on the supply box cylinder, using a zip tie to hold that in place, and then using another zip tie to hold the outer sleeve in place.

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Duct board Supply Plenum 4 feet R4,R6,R8 - Budget Heating

If necessary, follow the recommendations of the tape manufacturer for cleaning the surface to be taped. Center tape over staple flap and seal down tape end with 500°F (260°C) iron. Do not use heat gun; heat and pressure are both required to effect a seal. Press down entire length of tape with iron using a smearing action to get a good bond.

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Duct board vs Metal Plenums — Heating Help: The Wall

But, it also LOOKED cheap, too. Fortunately, I didn't install any furnaces while I worked there, but I did get a service call to a customer's house, where we had replaced a furnace a few months prior. The ductboard blew apart for the second time. All I could do on that call was wrap the supply plenum with aluminum tape.

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Which foil tape to use with flex duct? - DoItYourself ...

Oct 19, 2006· IRC M1601.3.1 requires 181B-FX be used for joints of flex duct systems- I don't see where mastic is even allowed with flex per code. The manufacturer's instructions (standard ada pamphlet) listed a number of methods, though- one being tie-wraps and mastic, another being 181B-FX tape, but each appeared to be OK by itself and not required in any combination.

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Why Duct Tape Should Never be Used to Seal Air Ducts ...

May 31, 2015· Why Duct Tape Should Never be Used to Seal Air Ducts "Of all the things we tested, only duct tape failed. It failed reliably and often quite catastrophically," That was the result of a test from Berkeley Lab to see which sealants properly sealed air ducts. "Surely that can't be!" you're thinking, "Duct tape has so many uses, and it's got "duct" in the name for goodness sake!"

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How to Seal a Heating Duct | DoItYourself

Gaps less than ⅛ inch wide can be fixed with mastic or foil tape, specially made for the job and easily found at any home improvement store. Don't assume just because a seam is wrapped in duct tape it's leak-free. Duct tape is not a good option for heating ducts because it will eventually break down, dry out, and create gaps.

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3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver ...

It also has an easy releasing poly coated kraft paper liner to protect the adhesive and keep the tape ready for use. 3340 tape meets requirements for UL 181 A-P and UL 181 B-FX Listings as a measure of reliability and quality standards. 3M Foil Tape 3340 is used in a variety of applications including heating ventilation air conditioning (HVAC ...

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Ideal Tape HVAC foil, film, and cloth tapes

Get to know Ideal Tape for the HVAC market! Ideal has been producing tapes for the HVAC market for over 50 years. Our line of Heating, Ventilation, and Air Conditioning foil, film, and cloth tapes meet the industry's toughest specifications and hold up in the most demanding applications.

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Home Energy Magazine - Hvac :: Can Duct Tape Take the Heat?

Most carton sealing and strapping tapes are not intended for use on ducts. Foil tape has foil backing and an acrylic or rubber adhesive. Foil tapes are often used on rigid duct systems such as ductboard. Butyl tape has foil backing also, but it uses a thick (15- to 50-mil) butyl adhesive to allow it to conform to more irregular shapes.

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A GUIDE TO INSULATED HVAC DUCT SYSTEMS

fabricated using either specially designed hand tools or grooving and closure machines. Duct fittings such as tees, offsets, elbows, and transitions are also fabricated from these modules or from flat duct board stock. Fig. 1. Fibrous glass duct module UL 181A closure systems provide substantially air-tight sealing Reinforced aluminum foil ...

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CAN DUCT-TAPE TAKE THE HEAT?

• "Foil Tape" has metal foil backing and like packing tape has an acrylic adhesive. Foil tapes are often used on rigid duct systems (e.g. duct board).. • "Butyl Tape" typically has foil backing as well, but uses a thick (15-50mm) butyl adhesive to allow it to conform to more irregular shapes.

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Is Aluminum foil tape can help in shielding the radio ...

Technical University of Malaysia Malacca. it offers a small amount of shielding. Copper foil is better. The one from 3M shielding tape offers a good shielding suitable for various frequencies from ...

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Nashua Tape 1.89 in. x 50 yd. 322 Multi-Purpose HVAC Foil ...

UL 181B-FX Listed film tape is for use on UL 181B-FX Listed film tape is for use on Class 1 Flex Duct for connecting, joining, sealing and patching flexible air ductwork. DC 181 features an acrylic adhesive system, which has high performance in temperatures ranging from -10°F to 210°F.

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Tape on furnace vent pipe - InspectionNews

Mar 05, 2019· He says it is ok. I've seen others on this site say tape is only used for duct work (hvac duct, dryer duct, etc). But I can tell you that in the northeast we see tape all over the joints on furnace pipe (oil and gas. Especially oil). HVAC guys do it all the time and so do all the chimney companies I .

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Zip Ties On Flex Ducts | The Building Code Forum

Apr 12, 2010· Ch. 11 - The Energy Chapter did not specify any type of energy retention requirements. I recently did an inspection on a residential HVAC system and noticed that the plastic zip ties were used to fasten the flexible Return Air ducting to the Return Air register. It was one zip tie, with 2 sheet metal screws in it, ...but no UL-181-B-FX tape.

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Insulating Exterior of Sheet Metal Supply and Return Plenums

Mar 04, 2017· I have a question regarding the proper method for insulating the exterior of sheet metal supply and return plenums. Contractor has indicated they would be using a foil-backed fiberglass insulation on the exterior of the plenums (Johns Manville Microlite EQ FSK formaldehyde-free fiber glass duct wrap insulation). I was then told this insulation would be attached to the plenums using a 1-inch ...

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How to I properly insulate and seal an HVAC plenum through ...

Hello, I have a difficult situation. I had to completely gut the existing HVAC system in my 1991 house due to numerous major issues (flex tubing like Swiss cheese facing into the plenum, kinks, leaks, a branch off the end of the trunk, returns in the wrong place, missing registers in some rooms, too many in others, etc. After ripping everything out in the house and basement, Now the trunk is ...

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How to I properly insulate and seal an HVAC plenum through ...

Hello, I have a difficult situation. I had to completely gut the existing HVAC system in my 1991 house due to numerous major issues (flex tubing like Swiss cheese facing into the plenum, kinks, leaks, a branch off the end of the trunk, returns in the wrong place, missing registers in some rooms, too many in others, etc. After ripping everything out in the house and basement, Now the trunk is ...

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Ultravation - Frequently Asked Questions

Notice: All wiring inside of the duct or air handling system in direct line of site of the UV lamp must be shielded with aluminum foil tape or equivalent non-combustible material. When installing this unit, select a mounting location that prevents ultraviolet light exposure to plastic flexible duct liner or other plastic components with unknown ...

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Foam board for duct work - Fine Homebuilding

Apr 10, 2017· Here's how I did it. Rip up on a tablesaw 3/4" foil-faced polyisocanurate insulation boards to the appropriate sizes (you could probably use a knife too). Fab them into ducts by gluing them with RVT silicone caulk, and tape the corners LENGTHWISE with FOIL tape, NOT duct tape. Duct tape is not for use on ducts.

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Foam board for duct work - Fine Homebuilding

Apr 10, 2017· I am in the process of build a small weekend home, I am getting close to doing the HVAC system. I was told by a HVAC installer that I could foil backed foam board for the duct system, he told me he has used if many times and was easy to install with the use foil duct tape.

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ductwork - What tape should I use to seal leaks in forced ...

I agree with Niall. I only use foil tape for any kind of ductwork, even cold ventilation ducts. That Nashua tape may feel like metal, but it says right on that page that it's really made of cloth and rubber. Duct tape may have thousands of uses, but taping ducts simply isn't one of them. :) .

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Fiberglass insulation exposed in plenum area - Buyers Ask

One where the air supply ducts are connected to distribute heated or cooled air to the various rooms. The other plenum area is an area where the return air duct is connected to under the furnace, often part of the platform the furnace sits on. It is the later plenum area that sometimes has exposed fiberglass insulation that may be a health issue.

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How to Inspect, Clean & Seal Air Ducts | DIY Ductwork ...

As a general rule, mastic sealant is more effective than any duct tape. It will last longer and is easier to apply. The only negative is that it isn't effective for leaks larger than 1/4 inch and some people may find it unsightly. In cases where the gap is larger than 1/4 inch, use aluminum foil tape .

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How to Make a Duct Board Plenum | Hunker

Secure the end caps to the plenum. Push the cut pieces in each open end of the plenum. Slit the foil vapor barrier extending beyond the edges of the duct board with a duct board knife. Fold the ends of the foil onto the outside of the duct board. Staple the foil to the duct board. Tape the flaps down with foil tape to complete the duct board ...

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Perhaps the Worst HVAC Duct Idea Ever — The Panned Joist ...

Aug 18, 2011· Occasionally, I see panned returns where the HVAC company actually tried to seal it up. The photos below show one that I ran across about two years ago. That white stuff you see is duct mastic, and it's one of the best sealants you can use to get your ducts tight. You should use it generously if you decide to seal up your ducts.

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Supply or Return Ducting in Building Cavities | Norbord ...

Jan 11, 2016· On average, such leakage can cause a 10% to 20% increase in heating and cooling energy use, along with a 20% to 50% decrease in heating and cooling equipment efficiency." Flooring Joists. Panned floor joist are a commonly utilized as return ducts by nailing gypsum board, foil insulation, OSB flooring panels or sheet metal to the joists.

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3M™ High Temperature Aluminum Foil Tape 433 | 3M United States

For heat shielding applications such as wrapping over and along thermal insulation, use our 3M™ High Temperature Aluminum Foil Tape 433. This dead soft aluminum foil tape is coated with a clear silicone pressure sensitive adhesive that bonds well to a variety of surfaces and excels in high temperature applications, where other adhesive tapes may fail.

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How to Seal Furnace Gaps | Home Guides | SF Gate

Once fully dried, foam sealant can be cut and shaped with a utility knife and sandpaper, and it can even be painted to match the color of the furnace. 3 Seal all gaps with aluminum foil duct tape.

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HVAC Inspection Guide - InterNACHI House of Horrors

Tapes and mastics should be listed and marked with "UL 181 A-P" for tape, "181 A-M" for mastic or "181 A-H" for heat-sensitive tape. "181 B-FX" is for flexible ducts. Crimp joints for round metallic jucts should have a 1-inch lap and at least 3 sheet-metal screws or rivets at the joint.

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