Home Air Ducts - How to repair holes & gaps

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Air Duct Vent Sealant→ amzn.to/2dDvJCN
Expanding foam sealant→ amzn.to/2ehst1f
In most homes, 90% or so, you will find some part of the duct system that needs attention. Mostly because of sloppy workmanship. At least that is what I have found in newer neighborhoods where the homes go up fast. Use Air Duct Sealant on nearly every joint and union. Don't worry about it looking good, just get a lot on so it makes a good seal.
Fiberglass cloth→ amzn.to/2dUJL8t
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Disclaimer:
This video is only for entertainment purposes. Any injury, damage, or loss that may result from improper use of tools, equipment, or from the information in this video is the sole responsibility of the viewer and is to be used at the discretion of the end user/viewer and not AdamDIY and or Adam Hill. If you are uncertain about any step of the process, or feel unsure about your skill level, seek a more authoritative source.

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Опубликовано:

8 окт 2024

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Комментарии : 78

@tommyrhyan8142 Год назад

Simple,to the point and very helpful. Thank you

@jamesburwash5635 5 лет назад

Thank you! I have been a little stressed here, and I feel much better watching the video. The builders did not properly attached the upward flow cold air duct to the furnace and there is a two inch or more gap. I will attempt a repair as you demonstrated. I was going to use foam spray, and appreciated your comment on the spray for a large gap!

@pdogakron1623 4 года назад

Thanks for this video. Trying to fix someone else's mistakes has driven me bonkers trying to figure out how to do it!

@suen6940 3 года назад

You saved me having to hire a repairman during this quarantine. I tried the cast method. Thank you !

@lauraatkins3659 4 года назад

Awesome information - could not find these solutions ANYWHERE else, exactly what I needed!

@lauraatkins3659 4 года назад

Sadly HD, Lowes etc doesn't sell air duct sealant here in Canada, and neither does the HVAC supply outlet, so used a moldable epoxy to create a patch over the hole.

@les6556 5 лет назад

The fiber glass mat was slick. Great idea.

@rondellschuyler7074 3 года назад

I have a rust thru area on my ductwork. It was installed in the 1960s. Fiberglass and ductwork sealant I am going to try.

@PrinceWesterburg 7 лет назад

I think I have the only house in the UK with ducted air heating - my dad built it in the 60s, now he's dead and I have to maintain it. Thank God for Americans!!! :o)

@markthern 3 года назад

That's spelled 'Merica

@derekec 3 года назад

I had made a sealant/fiberglass patch - even wrapped it like a leg cast. Condensate leaked right through.

@moonchasestar 4 года назад

This is so informative. you are a very smart guy.

@PRFishGirl 7 лет назад

That's great I had small holes along my ductwork now I know how to fix it

@PROJECT_936_dot_NET 4 года назад

Fine work You have inspired me to work on my channel, thanks. 🐼

@Honestandtruth007 5 месяцев назад

Thank you for your video, very helpful 👍👍

@alfredobouzamusic5194 Год назад

Thanks man. That was very helpful. You are awesome.

@sanfedista1361 Год назад

Great video can you make a video or explain how to properly remove a takeoff and seal off the cut out on the sheet metal trunk line as I'm removing a supply and a return. Thank you!

@Help4DYIer 8 дней назад

Great fixes, thank you

@kirk8946 9 лет назад

Good info. I didn't know about that type of sealant.

@feistyflipflop4567 6 месяцев назад

Thank you

@KevinEsch-p6r 8 месяцев назад

Very helpful - thanks

@irmacamp210 3 месяца назад

Boy I needed this video thank you. 🙌🏽

@dianeditonno3569 Год назад

This is a great video.

@THEPIRATEKINGGLOW 3 года назад

you made what seemed like it was going to be hours of work turn into an hour of work including the lowes run

@Help4DYIer 8 дней назад

Just an added note, your fiberglass won’t rot with moisture unlike regular cloth.

@ecospider5 7 месяцев назад

I have these problems on a second floor vent. So I have no access to the ductwork. If I remove the register box so I have a tiny bit of access how do I reattach the register box?

@RameshTim 4 года назад

Great info. Many thanks

@Nyfloh 3 года назад

I'm going in my attic and check it because the air comes through my vents very low. In the bedrooms they have to be a disconnect or holes somewhere.

@Sal27-k 6 лет назад

Thanks for the video I plan on fixing a duct in my basement. How long does the sealant take to dry before I can turn on the AC?

@obone2750 2 года назад

Good stuff

@hallagh4570 2 года назад

What do i do for rusted vent. Is there anyway to get rid of the rust. Can it be changed from the vent top or is it connected to lower duct? Thanks

@karenrobinson675 5 лет назад

Can you show how to repair a tear in flexible ductwork?

@johnny2003 5 лет назад

Yea that was my question. I can’t imagine this issue is anywhere near as common as the flexible duct repairs are.

@Honestandtruth007 5 месяцев назад

Google it........@@johnny2003

@sg9817 3 года назад

Thanks for sharing. This is great. I have a 1/2” gap at the drywall ceiling and the duct interface. Any suggestions to fill the gap? Thanks

@ecospider5 7 месяцев назад

You can probably use spray foam. Then cut it flush to the wall and use the register cover to hide it. If you can still see it scrape a tiny amount of spray foam away and apply drywall mud. Then sand and paint. Since this was 2 years ago how did you fix it?

@dormarchan7230 7 лет назад

why not hammer the damaged metal sheet to flatten it first?

@jessgvirtual5822 Год назад

Some county building inspectors need to be fired. These guys are wasting taxpayers $$$....

@79dogface 2 года назад

Can the meh and compound be used to cover a hole where the blower fan is ?

@ntrogers32 5 лет назад

Can I use this method to patch rusted register caps or boot ends? I am trying to avoid removing drywall and laminate flooring.

@saybo88 5 лет назад

I have an old duct, can you use the sealant over the old tar seal around the joints?

@LandTorpedo69 2 года назад

If I drill into an air duct then remove the screws later can I just drywall puddy over the drill holes so it's not leaking?

@pearlperlitavenegas2023 Год назад

Use the duct sealant they also sell it in smaller tubes @ home depot like caulk tubes

@ecospider5 7 месяцев назад

Drywall putty will eventually crack and fail in this situation. The sealant he showed is the solution.

@spartan04801 7 лет назад

Great video. one question does your method apply to wood ducts? I have a combination of wood and metal.

@rjslias1918 4 года назад

Hey, do you have a link for fiberglass mesh that you recommend that i can buy in home depot ?

@jasminesantiago1582 25 дней назад

My AC is in the top of the ceiling from the vent is dripping water how to fix it

@kazekagetilo 7 лет назад

Can I do the same in fiberglass duct?

@RomanTrollanski Год назад

Mine corroded at the 90° elbow, but... I have concrete slab with no crawl space and the pipe collapsed, whatever was supposed to be crawl space was filled with sand/dirt and it plugs my pipe... once in a while I use a shop vac, but I wish I could fix it, whatever I can fit my hand in trough the pipe, it's all the access I have to it...

@ecospider5 7 месяцев назад

I’m hoping to use aluminum tape from the inside. I can reach about 2 feet.

@RomanTrollanski 7 месяцев назад

@@ecospider5 it is not going to work! I did that, holds fine until you turn on the furnace, heat will make the aluminum tape just coming off, that sticky side doesn't do to well in heat. I was able to fix mine with fiberglass cloth tape and I used liquid membrane (I had some leftover from when I did the shower, it's from Mapei) some other brands should work fine, I used a brush to put in on, one layer before fiberglass tape, a 2nd layer after the fiberglass tape. So far holds very well.

@ecospider5 7 месяцев назад

@RomanTrollanski 330x Extreme Weather HVAC Foil Tape by Nashua Is good up to 260F. It is $0.50 a meter but you get what you pay for. Yes regular foil tape can’t handle the heat and the glue will fail.

@vintagegirl1961 2 года назад

Does the sealant have a heavy smell and if so will it go away?

@ecospider5 7 месяцев назад

If it does it goes away quickly.

@bfarmer6218 6 лет назад

What is the best method for reshaping a crushed section of ductwork? The damage occurred during the transport of a mobile home.

@yoyoitsKerry 6 лет назад

I have the same issue.. had bad pressure to some rooms..opened the ceiling to find one of the connection pieces was crushed (looks like on purpose from the builder to make it fit) I tried buying a new collar but it's too short

@tanishamason2991 6 лет назад

How did you make the cast for the larger gap??

@coolcat435 9 лет назад

Which specific brand of fibre glass mesh did you purchase? Great vid btw. This awful duct cleaning service I got from online ended up leaving a HUGE square hole in my ducts (about 5 inches both ways!)

@AdamDIY 9 лет назад

***** I'm glad you like the video. I have had that mesh for over 25 years. It was from my surfing days when I would repair the dings in my board. I got it from Home Depot in the paint section. It's the same stuff used for boat repair and things like that. Look for it near the resin. The "service" guys you had thought that you would not notice a massive 5" hole? Crazy. I think that when it comes to professions, (electrician, plumber, roofer etc.) the duct workers can get away with doing an awful job when the others can't. If you have bad plumbing work, it's obvious. If you have a bad electrician, your house may burn down or breakers trip; but a bad air duct guy can get away with it because nobody will die, or the house will not be destroyed if he does a bad job. You will just waste a ton of money on heating and cooling. Just my opinion. I have seen so much bad work on my own home and that of my neighbors. I could be wrong, but it looks that way.

@ecospider5 7 месяцев назад

I had my ducts cleaned. They tore the flex duct completely off of 3 vents. I was heating my crawl space until I noticed.

@0002DMA 2 года назад

What if my floor air vent has big gap at the joint, but I can't get under this room? Can it be repaired from the inside?

@ecospider5 7 месяцев назад

Aluminum tape or spray foam.

@markGibby 8 лет назад

What do you do if the part just under the vent is broken in the floor and the basement is finished?

@AdamDIY 8 лет назад

Id need to see a photo if possible. Can you send one?

@markGibby 8 лет назад

Yeah i could send one. How do i send it to you? But that is not the biggest problem with our HVAC system....

@ecospider5 7 месяцев назад

This is exactly my problem

@rhondaparmenter7266 Год назад

What about on ducking in a crawl space under our house?? It just doesn’t seem accessible 😒

@ecospider5 7 месяцев назад

Or inside a closed floor.

@jasminesantiago1582 25 дней назад

My AC is on top of my and he’s licking water how to fix it

@lindseygiles9303 2 года назад

Don't have these product so i guess are air wont be working for a while

@brian19711 4 года назад

Problem is nobody wants to go in my crawlspace 😒

@jeaniquedesdunes9895 Год назад

Are you local?

@ecospider5 7 месяцев назад

He is local somewhere.

@edrenalin2000 8 лет назад

Like. Easy greasy.

@son_of_guns 4 года назад

They call the sealant pookie, not good for more than small....say inch square openings

@fortyoneshades 4 года назад

Two words - foil tape. You're welcome.

@المهديخاتلبالمجاري 4 года назад

Does not really work. It comes off after awhile

@ecospider5 7 месяцев назад

You get what you pay for. Spend $0.50 a yard on 330x Extreme Weather HVAC Foil Tape by Nashua and you will be happy. Spend $1 a yard and get their water proof tape for gutters and use it on your ductwork. It is excellent overkill.