DO NOT Use This Insulation for a Cabin Cathedral Ceiling or This Could Happen

DO NOT Use This Insulation for a Cabin Cathedral Ceiling or This Could Happen - EP 59

Рет қаралды 100,044

Күн бұрын

Air leaking from the cabin to the roof assembly could have dramatic consequences, that is why it is extremely important to properly select the right insulation, air barrier and finish materials to prevent these issues from happening.
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I am Tristan, I am building a 400 SF cabin at the back of my house. I plan on doing it all by myself. I plan on sharing this journey here on KZfaq where I will show you every step of the way, all the struggles I run into and everything I will learn from this experience. I will then rent the cabin as a short term rental in hope of covering most, if not, all my house mortgage (House Hacking). Follow me here as this will absolutely be one of a kind journey.
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Disclaimer:
If you choose to imitate, duplicate or copy anything you may have observed in these videos, you do so at your own risk. The creator of this content does not take any responsibility for any action taken as a result of the information or advice on this KZfaq channel (or other platforms) and shall not have any liability in respect of any injury or damage that may result.
Content of the video :
00:00 - Intro
00:37 - Cabin Floor Insulation
04:29 - Ceiling Baffles
07:45 - Cabin Wall Insulation
11:52 - Cabin Ceiling Insulation
13:29 - Window/Door Foam
13:55 - Bathroom Exhaust
15:33 - Heat Pump Line Set Opening
16:07 - Next Time !
#CabinSeries #TheDIYCabinGuy #Cabin #TinyHouse

Пікірлер: 122

@SciaticaDrums 4 ай бұрын

I only use Rockwool. It's water, fire, bug and mouse proof. I've only ever found one mouse nest in it and the nest had been abandoned. Your point is excellent though. Rockwool is un-faced so it meets the goal.

@TheDIYCabinGuy 4 ай бұрын

Thanks for sharing!

@_Wake_Up_If_U_Can Ай бұрын

I was going to post the same thing. Our 1890 house was built with air flowing through all the walls and zero insulation. It is hard to keep the temperature stable to keep it comfortable. We have been adding rockwool in walls when we open them over the years. Makes a huge difference not only for temperature stability but also makes it much quieter! Although the double pane Pella windows we installed made the biggest difference.

@phyllismccurdy2984 4 ай бұрын

You have done a fabulous job making your cabin air tight and rodent proof. Great job! 👏 Lots of hard work. Love your videos. 🙋🏻‍♀️🇨🇦

@TheDIYCabinGuy 4 ай бұрын

Thanks so much!

@michaelprosperity3420 4 ай бұрын

Nice. Once you get to the smell of fresh cut pine on the finishing is the most rewarding. The tedious behind the scenes where the rubber meets the road.

@TheDIYCabinGuy 4 ай бұрын

Thanks !

@frankrobinson5453 4 ай бұрын

At my lake house in south Texas, I re-did a cathedral ceiling upstairs. I used perforated hardie plank soffits outside and instead of those preformed plastic baffles to the ridge vent, I used 1" thick Styrofoam sheets cut into strips the width of the joists and used 1x2's to space the gap between the roofing plywood and the insulation sheeting. My thought was this gives me more R value in my ceiling after adding the fiberglass insulation. That was 10 years ago and the Texas summer heat does not make the house as hot as before I did this install. Previous ceiling was plywood, fiberglass and 1/4" paneling. Ugh.

@emanuel2cool1 4 ай бұрын

The looking around in the forest while holding the fiberglass insulation had me LOL!

@TheDIYCabinGuy 4 ай бұрын

Lol you know those dang rodents are just waiting for it

@frotobaggins7169 4 ай бұрын

I like your attention to detail. Tape the seam in the vent pipe with foil tape to keep it from springing open. The seam joint is called a Pittsburgh join and often they aren't fully formed. If you close the female side a little bit it fits tighter. Always tape the seams.

@TheDIYCabinGuy 4 ай бұрын

Great tip!

@LarchLine 4 ай бұрын

We are building our own cabin too. We are going to use mineral wool and double bubble alumin foil because it is acting as extra insulation plus as vapor barier, overlapped, and taped it with aluminum foil. Under the roof we are doing the same, with the higher R value insulation but we are waiting for warmer weather because we want to apply 3 in of closed cell foam first to encapsulate it ( is going to be unvented) and then place the mineral wool leaving 3/4 in of air gap and bubble foil, then dry wall painted with 2-3 coats of latex paint to act as an extra vapor barrier. Probably, the entire inside will be painted with 2 coats min of latex paint for added vapor barrier. A lot of work, regardless of what type of insulation is used

@TheDIYCabinGuy 4 ай бұрын

Sounds like a good plan !

@davidmaier343 4 ай бұрын

Great episode🎉

@TheDIYCabinGuy 4 ай бұрын

Thanks a lot !

@getintothewildwithjeffruma8777 4 ай бұрын

You did a great job👍

@TheDIYCabinGuy 4 ай бұрын

Thank you! 😊

@user-li3cs6yn7s 4 ай бұрын

Looking good!

@TheDIYCabinGuy 4 ай бұрын

Thanks!

@jerryf609 4 ай бұрын

Its not heavy work but it is work. Great job

@TheDIYCabinGuy 4 ай бұрын

Surely still took a decent amount of time !

@laruedouglas7972 4 ай бұрын

Great job 👍.

@TheDIYCabinGuy 4 ай бұрын

Thanks 👍

@JorgeAguilar714 4 ай бұрын

To appease some of the keyboard comandos, you can use some Rockwool comfort board as the protection layer under the cabin. It will add more insulation value, a fire barrier, animals won’t nest in it and also stop the thermal bridging at the floor joists which is what you were panning on achieving with your foam panels and plywood. Good job.

@TheDIYCabinGuy 4 ай бұрын

Thanks !

@robertlivingston1634 4 ай бұрын

Mice and squirrels are perfectly happy to nest in your rock wool, little bastards just don't care what they're not supposed to like.

@whitehorse1961 4 ай бұрын

Yup, the a holes made nests in rock wool like it’s nobody’s business. Even my cats like rock wool .

@TheDIYCabinGuy 4 ай бұрын

@@whitehorse1961 hopefully me having the hardware cloth plus some rigid foam insulation plus 3/4 in pressure treated plywood will slow them down some.

@freeman3978 3 ай бұрын

get a dog or cat haha, thatll slow them all the way down to dead@@TheDIYCabinGuy

@rayreyes2490 2 ай бұрын

great vid!

@TheDIYCabinGuy 2 ай бұрын

Thanks !

@dougfraser8698 4 ай бұрын

Hey Tristan,you made that look easy lol ,in our cottage we are building here in Ontario we used the rockwool on the walls and spray foamed the ceiling ,cost me 11000.00 just for the ceiling, it took me awhile to get the hang of installing the rockwall ,we are using 6 mm plastic vapor barrier, curious as the the vapour barrier you have going on in your next video,never thought about planning the blocking tho so hope I dont have a problem when we start the drywall come spring , keep the videos coming,thank you,, Doug

@TheDIYCabinGuy 4 ай бұрын

Im curious how much I would have been charged to get someone to spray foam the ceiling. The air barrier / vapor barrier I used is called intello plus, I’ll cover that in the next episode.

@MalleusDei275 17 сағат бұрын

Foam board makes an excellent air/ vapo/ insulation barrier....

@TheDIYCabinGuy 16 сағат бұрын

Yes, I also thought about using that

@ForceMyGarnetHand 2 ай бұрын

When you install the Hardware cloth, make sure to run it the same direction as the joists. If you go perpendicular to the joists you will create a gap between the layers and animals (especially raccoons) will find it. Also, you should use PVC coated hardware cloth so you don’t have to do it again. Depending on how humid your area is, the regular hardware cloth will rust out after a few years.

@TheDIYCabinGuy 2 ай бұрын

Great points !

@bobstewart4342 4 ай бұрын

propper vent in all the ceiling bays is a must or you'll have no airflow

@johndough1966 3 ай бұрын

THIS is correct. Any attempt at adequate insulation with a proper vapour barrier will only work as well if the air above can be ventilated. Without ventilation, warm air will only collect and thus create moisture. The floor insulation should also include a vapour barrier over the joists, before sheeting. Alternatively, best practice would be closed-cell spray foam which will create a vapour barrier in itself and not be penetrated 5000 times with fasteners as poly vapour barrier would end up.

@paullockyer7230 4 ай бұрын

if you have an angle grinder it can be used to quickly and easily cut hardware cloth.

@TheDIYCabinGuy 4 ай бұрын

That makes sense!

@umchoyka 4 ай бұрын

Lots of rockwool salesmen in your audience. Pink insulation is just fine, ignore the haters. Venting eliminates the mold issue, and the rest of the construction looks well thought out and executed so there should be no moisture problems.

@TheDIYCabinGuy 4 ай бұрын

Thanks !

@Lorne55 4 күн бұрын

I learned alot... thank-you... ou merci si vous etes Acadien...

@TheDIYCabinGuy 4 күн бұрын

Merci! Et je suis français

@_Wake_Up_If_U_Can Ай бұрын

How do the external walls deal with water? Looks like there are horizontal gaps of 1 or 2 inches every 8 to 12 inches? When it rains or snow or ice melts where does the water go?

@TheDIYCabinGuy Ай бұрын

It’s just part of the siding, water would get on it, and then dry.

@greggapowell67 2 ай бұрын

Would like to see you do a "mini cabin" sauna build.

@TheDIYCabinGuy 2 ай бұрын

Sure would be nice !

@bengt_axle 13 күн бұрын

I've watched many videos on insulating the floor and many KZfaqrs end up doing what you do: insulating from underneath. Why not put the wire mesh down when the floor joists are being installed and then fill the spaces between the joists before putting on the subfloor material? In other words, why does everyone work from underneath when they could drop the insulation down? Also, is there some kind of breathable material that can be put behind the screen to prevent the incursion of insects into the insulation?

@TheDIYCabinGuy 13 күн бұрын

It’s a simple answer, If I did what you described, the insulation would have gotten wet and would have been completely trashed. You can’t really insulate until you’re dried in, meaning you have a roof on to keep the place dry.

@madman432000 3 ай бұрын

whats with the waterproof thing around the electrical boxes and the sealant?

@TheDIYCabinGuy 3 ай бұрын

So that no air leaks though electrical boxes

@navydave1 4 ай бұрын

I'm starting to do my cabin ceiling also. I used Durovent (the egg carton style). If I'm using the vent, and fiberglass insulation and a vapor barrier and tongue and groove, what problem does the faced paper do at that point?

@TheDIYCabinGuy 4 ай бұрын

Im installing intello plus, it’s an air barrier and vapor barrier. According to the manufacturer, you’re not supposed to put faced insulation below that.

@navydave1 4 ай бұрын

@@TheDIYCabinGuy Cool. I'll have to look into that.

@TheDIYCabinGuy 4 ай бұрын

@@navydave1 I guess because the intello plus is a smart vapor barrier, having Kraft paper below could mess with its properties and having it work properly.

@donaldstrickland8093 4 ай бұрын

Other than cost why not use foam for the floor and walls then that insulation for the ceiling or would that have still been too much moisture if not adding a exhaust fan

@TheDIYCabinGuy 4 ай бұрын

Just didn’t feel like paying someone to spray foam

@donaldstrickland8093 4 ай бұрын

@@TheDIYCabinGuy ok but what would have been the difference in it's cost just out of curiosity if you checked

@TheDIYCabinGuy 4 ай бұрын

@@donaldstrickland8093 that’s a great point! I actually didn’t even try to get a quote. You’re absolutely right, I could have saved myself a lot of time BUT I’m just stupidly stubborn and want to do everything myself 🤣

@user-hg3dj7ek8s 4 ай бұрын

If insulation is used below the roof sheathing, cold air must be able to flow between the insulation and the interior side of the roof sheathing (2 inch air space). You'll also need to have ventilated soffit and ventilated ridge vent. Or, you could put rigid insulation above the plywood roof sheathing and then heat and cool the attic or cathedral portion of the roof.

@TheDIYCabinGuy 4 ай бұрын

Yes I do have a ventilated roof assembly with baffles that provide a continuous space between my ventilated soffit and the ridge vent on the roof.

@Growstuff70 4 ай бұрын

Where can I get those baffles?

@TheDIYCabinGuy 4 ай бұрын

I got these at lowes, they should be readily available in either lowes or Home Depot.

@jamesdewiel4736 4 ай бұрын

Paper goes towards the living space 😂

@TheDIYCabinGuy 4 ай бұрын

Indeed , but I used unfaced

@COCCOMOJOE 4 ай бұрын

Wouldn't Rock wool be better for the underside?

@TheDIYCabinGuy 4 ай бұрын

Not sure, some other people commented having issues with rodents even with rock wool

@COCCOMOJOE 4 ай бұрын

@@TheDIYCabinGuy I was thinking it was more for the fire, sound, and water retardant that rock wool offers. I'm not sure about the rodents.

@stevebrockway4738 4 ай бұрын

We used faced insulation for walls and ceiling. We only use the cabin for weekend or 3 day stays. Is the mold problem really something for us to consider before we tongue and groove the ceiling? Thanks for the heads up about it. Also, we never had a mice until we insulated.

@TheDIYCabinGuy 4 ай бұрын

I would advise you to do some research about it, there are several posts on green advisor about this and then make an educated decision. Of course, from a cautious standpoint, It might be better to be safe than sorry. Another consensus is to install sheet rock (taped and floated) before installing the T&G, of course, one shouldn’t install a bunch of leaky can lights.

@stevebrockway4738 4 ай бұрын

@@TheDIYCabinGuy Thanks for the advice. Merci!

@MultiMacnasty 4 ай бұрын

Heads up...I was renovating my home. I wasn't intending to touch the insulation. When I opened the walls all the fiberglass insulation, in the outside walls, was resting on the bottom 3 feet of the wall cavities. Fiberglass sucks. I had to replace all the outside wall insulation. I put rock wool back in it. This stopped my renovation for 2 years. I don't know if the fiberglass was installed wrong. The paper around the fiberglass was still stapled in the wall cavities..........If the fiberglass had gotten wet, I found no rot in the walls......

@TheDIYCabinGuy 4 ай бұрын

Dang not a fun discovery !

@spectrepro 2 ай бұрын

Cath-eh-drill 😂

@mountain_man89 4 ай бұрын

Spray foam it and forget the pink stuff. You won't need any of this extra steps for venting

@TheDIYCabinGuy 4 ай бұрын

Have you ever diy spray foam insulation? I didn’t feel like paying someone for doing it.

@Grizzlife 4 ай бұрын

Bro you should of used bubble foil insulation and it would of been easy. I have it in ceiling walls and floor and love it.

@TheDIYCabinGuy 4 ай бұрын

Not sure that the inspector would have agreed with that. Not sure I could have gotten the required r30 in floor, r19 in walls and r38 in ceiling

@Grizzlife 4 ай бұрын

@@TheDIYCabinGuy I was an inspector for 20 years and approve this method I mentioned. Fiberglass insulation is a mouse home for the duration of the build. I’m not required to have inspections anyway so I see your point. The foil bubble wrap reflects heat on both sides and eliminates mouse houses. It works very well and to me meets all the R values plus more.

@Grizzlife 4 ай бұрын

kzfaq.info/get/bejne/bNqIosiqlrfeZnk.htmlsi=hgLaoFKveYftFugj

@TheDIYCabinGuy 4 ай бұрын

@@Grizzlife that’s very interesting but again, I really doubt the inspector would have approved. Seems like the actual values given by the manufacturer for bubble foil insulation are quite low. Doesn’t seem that I would have been able to get my r38 ceiling or r30 floor.

@judsonmeraw6294 4 ай бұрын

Never use fiberglass insulation, OSB, non stainless staples. The floor insulation could become a rat hotel.

@TheDIYCabinGuy 4 ай бұрын

Time will tell

@diegoruiz7600 4 ай бұрын

Wood stove?

@TheDIYCabinGuy 4 ай бұрын

Heat pump mini split. Wood stove would have been nice but since this cabin will be rented as an Airbnb, I don’t trust tenants making fires.

@diegoruiz7600 4 ай бұрын

@@TheDIYCabinGuy smart man😅 good luck! The cabin looks fantastic and very well built

@TheDIYCabinGuy 4 ай бұрын

@@diegoruiz7600 thanks 😀

@kirkmiller6493 4 ай бұрын

You need to allow your soffit to vent out to the ridge. Pretty sure the blocking you installed would block the ventilation.

@TheDIYCabinGuy 4 ай бұрын

As I mentioned in the video (probably hard to see), I left a 1.5-2in gap at the top of the blocking

@Matthew-bp9yd 4 ай бұрын

Why didn't you go with Rockwool insulation?

@TheDIYCabinGuy 4 ай бұрын

I’m not sure that rockwool makes R38C (compressed) which is what I needed for my ceiling. And if they do, it’s probably not readily available in my area. Also I think that rockwool is more expensive by 25-50% compared to fiberglass.

@lyntwo 4 ай бұрын

It is hard to obtain and usually must be purchased in pallet quantities. But, yes, a far superior product

@aidanschurg3068 4 ай бұрын

At least where I am you have to have some venting over the soffit, you cannot seal it airtight

@prestonthomas9406 4 ай бұрын

You may have saved yourself a little misery installing Rock Wool insulation between the joists and eliminated the hardware cloth and stapling. Rock Wool is easier to install (no staples) and use tension wire rods between the joists to hold it in place. Though it is a bit more expensive than fiberglass the elimination of the hardware cloth and installation should balance out in my opinion. It’s also hated by insects (even termites) and rodents, including raccoons. My 2 cents…

@TheDIYCabinGuy 4 ай бұрын

Thanks

@chrisparker9886 4 ай бұрын

You shouldn't use fiberglass insulation in the first place! 😂

@TheDIYCabinGuy 4 ай бұрын

Yes, could have use spray foam but didn’t feel like hiring someone for it

@chrisparker9886 4 ай бұрын

@@TheDIYCabinGuy Spray foam is even worse than fiberglass! 😳

@TheDIYCabinGuy 4 ай бұрын

@@chrisparker9886 what would you have used that could have given me the appropriate R values I needed to achieve ?

@chrisparker9886 4 ай бұрын

@@TheDIYCabinGuy Rockwool

@TheDIYCabinGuy 4 ай бұрын

@@chrisparker9886 not sure that R38C exist in rock wool or if it does, that it’s readily available

@oregonNYC 4 ай бұрын

This is the most depressing ‘cabin’ build series on YT, to be frank. It’s so focused on code and the structure so overbuilt that it makes building a small cabin into a monumental task. It’s more like ‘DIY mimicking commercial contractors’, very soulless, modern and inaccessible. All the comments are people pretending there is some perfect way to do this or that activity, as if well maintained structures from almost any era can’t be wonderful cabins or homes.

@TheDIYCabinGuy 4 ай бұрын

Interesting twist, well, if you want to pass inspections, you’ll need to get into the nitty gritty details of construction codes (structural, plumbing, electrical, hvac), and yes, building a cabin that has water and electricity is a monumental task. It sounds like you’d be more interested into off grid cabins where rules are not as important and people tend to do whatever they feel like.

@oregonNYC 4 ай бұрын

@@TheDIYCabinGuy yes, that defines a cabin. This seems to be a house in an semi/urban area, and subject to all the barriers and costs that plague our ability to develop housing. Maybe the algorithm doesn’t respond a ‘building a code compliant house in my yard’ in the same way it does to ‘cabin’.

@TheDIYCabinGuy 4 ай бұрын

@@oregonNYC I’m actually in the countryside away from all city rules, no HOA either, I’m only subject to the county but still have to abide to typical permitting, inspections and meeting code requirements. You’re correct that at this point, this becomes more like a house but I guess it depends what the definition of a cabin is. People here also call their cabin a 4,000 SF house in the mountains, cabin could also just be a non permitted small shed next to a river with no electricity or water…. The reality is that building a cabin/small house with utilities, no prior experience and mostly alone is a difficult endeavor that is not accessible to everybody. Sorry for the reality check… Just as a note, as I worked in commercial as well, I can assure you that commercial buildings are even more difficult, complex, full of red tape and rules to abide by. Residential (what my cabin is) is a joke compared to commercial.

@oregonNYC 4 ай бұрын

@@TheDIYCabinGuy I’m not trying to criticize your build or your efforts. You’ve obviously invested tons of time and it’s of value to film and share your process. What is depressing is how impossibly expensive and inaccessible housing is for average people as a result of this constant chasing of supposed perfection and code compliance (which will be totally different long before this structure ceases to be of value). I get why a multi/story apartment building in an urban area needs strict code, but a dude building a tiny home in his yard tripling cost and time to stay complaint is just awful. It’s an indictment of a sickness in our bureaucracy that has led to housing being inaccessible to so many.

@danrichards496 4 ай бұрын

He builds just like it do. You do not want ANY air movement. Air leaks bring moist air with it and causes mold and rot. Moisture also brings insects as a lot of them need moist places because their bodies don’t hold it in well. Do it right or don’t do it at all. It’s a cabin, not a lean to in the woods.