DIY Spray Foam Insulation (plus two more insulation tips!!) — by Home Repair Tutor

DIY Spray Foam Insulation (plus two more insulation tips!!) — by Home Repair Tutor

Hey there. This video is going to show you
how to do DIY spray foam insulation, how to use it in your house to improve the efficiency
of your heating and cooling system. I’ve also got two other awesome tips for you, so
let’s get to it. The DIY spray foam insulation I’ll be talking
about today is Great Stuff, and I love it because you can use it to fill gaps up to
1”. Follow the directions, though. Make sure you shake that can for 30 to 60 seconds.
What’s cool about Great Stuff is it’s good for one-off applications, and you only
need to fill the voids by1”. Now there is also a Window & Door Great Stuff. This is
great for, you guessed it, windows and doors, especially around doorways whereby you’ve
got the jam and you’ve got a space in between the jam and the framing. So again, follow
the directions because this can says to shake it for 60 seconds; the original Great Stuff
says to shake it for 30. There’s also a Pestblock Great Stuff, and
this is pretty wonderful for if you need to insulate and also prevent pests like ants
and spiders and stuff from coming inside your house. But again, make sure that you read
the directions well. And the cool thing is there’s no pesticide in it.
And it’s super important to wear gloves when you’re using Great Stuff because this
stuff gets super tacky and sticky. And trust me, you don’t want it on your skin at all.
And you also want to wear eye protection. You don’t want Great Stuff in your eyes.
So shake the can really well like I said before – 30 to 60 seconds – and the twist no
the extension tube. But be careful. You’re going to twist it on clockwise. Not too tight
because you will break it. I’ve done this before, and it’s a real pain because you
have to buy a whole new can. So I’m going to be insulating the door between
the door and the framing. As you can see here, there’s a gap. And what you want to do is
press on that tube till the spray foam insulation comes out. Again, you only want to fill it
to the point whereby the void is about half-filled. It’s kind of hard to do with small spaces,
so don’t beat yourself up for this. You also want a rag to wipe off any excess Great
Stuff. Great Stuff is also really awesome for around
big pipes or small pipes – really good for filling those gaps.
Once the Great Stuff is cured, use a utility knife to trim off any excess. So what you’ll
do is you’ll score it on all sides, and then you just peal it off. It’s really easy
to work with. So another really great place to insulate
your house is in the rim joist. You can either buy Roxul or Johns Manville. Those are two
really great brands that I like because Roxul, you can cut to size, very simple, easy to
do; and Johns Manville is great because it’s formaldehyde-free. So pick one of those two
insulations, and fill in the rim joist. Here’s the Johns Manville Multi-Purpose
Roll that I was using for the rim joist. This is only 2” thick x 16” wide x 48” long.
You also want to use a respirator no matter what insulation you’re going to be using
along with protective eyewear. So the rim joists are, again, up above your
basement wall. And you just want to fill in the space with insulation. I would’ve preferred
Roxul, actually, for this, but this Johns Manville insulation worked out pretty good.
A third really food way to insulate your house is to insulate around the outlets and switches,
especially outlets or switches that are on exterior walls. And you can use these electric
outlets sealers by Frost King. They are super affordable, easy to install, and they’ll
stop those drafts coming in through your outlets or switches.
Remove the outlet cover by turning the screw counter-clockwise. Feel for a draft, and then
place the foam insulation over the outlet or the switch. You’ll have to poke a hole
in the center, though, for the screw for the cover plate.
So again, just put that foam over the outlet. Make sure that you try and cover it the best
that you can. And here’s what it looks like. And all you have to do is put the cover back
on, and you’re done. It’s as simple as that.
Well there you go. There are some really awesome tips for how to use DIY spray foam insulation.
I hope that you like this video. I hope you got some good tips for your own house. You’re
trying to insulate it through the winter. And even the summer months will help you out
with you heating and cooling bills. And it’ll make your house a much more comfortable place
to live and to host friends and family. So again, I hope you liked this video. If
you did, go ahead and click on the subscribe button. That way you won’t miss any videos
that I have coming out, which actually you’ll see every single Friday because a new video
tutorial comes out every single Friday. And if you liked it, go ahead and feel free to
click on the thumbs up button. That way somebody else can see the video, and it will possibly
help them out, too. Thanks as always for watching the videos.
I enjoy this stuff thoroughly, and I really, really enjoy talking with you. So if you have
a question or questions, let me know in the comments section.
Take care. I’ll see you in the next video.


  • Montana Nana says:

    Once again….you've come up with the perfect tip at the right time! YOU ARE MY HERO!!

  • Jason G. says:

    Thanks for the video Jeff ! I have recently moved in a house with a very bad isolation.

  • Nick Welch says:

    That's pretty bad advice on the rim joist. Spend some time reading about rim joist air sealing/insulation and you'll see how important it is to seal the seams and use foam to prevent condensation issues.

  • scott bickett says:

    Batts or roxul in the band joist is a BIG mistake! ( why do you think furnace filters are made from fiberglass?…TO LET AIR PASS THRU!) NIETHER are a air sealer!

  • Sonny Prettyweasel says:

    If that gets on ur skin can it kill u

  • Bayard says:


  • Chris Fetko says:

    I do sprayfoam for a living the only place I use roxul is around a chimney and fiberglass is useless unless u want your family breathing that crap in through every air leak in your home horrible stuff

  • 1derncool says:

    How come he didnt have to hold the can upside down?

  • Unoobis says:

    *HINT* With the spray foam, I love using it, but use the blue masking tape around the outside areas where you don't want the foam to stick. You can see where he was cutting that there was left over foam and you CAN NOT get it off unless you cut or sand it off the surface. The first time I used it was in the same place he used it, around a white door, and the best I could scrape off still had yellow on the door. I'm going to have to pain the edges now to clean it up. I've learned to prep first with the blue tape and then when the foam expands out, it will stick to the tape and you can cut off the extra WAY cleaner. Hope it helps. USE GLOVES!!!!!

  • Michael David Cilantro says:

    Once the foam actually cures does it harden like a rock?

  • Kris Kersch says:

    Is there a stiff extension straw to reach hard to get to areas?

  • Peter Singz says:

    can you use this stuff inside the electrical outlet


    great tips!

  • Peter Singz says:

    Jeff I used foam cover still a lot cold common in so I use the foam no cold is that ok

  • The H Team says:

    How long do I have to wait before I trim it?

  • Erin Vasquez says:


  • Quinnten Spradlin says:

    how much weight does it hold?

  • ell age says:

    I put a ton of this stuff in my home while it was being built and have to say it works great.

  • Marie Garcia says:

    Will it keep out mice ?

  • eed says:

    messiest job I've ever seen. Also shouldn't the can be held inverted?

  • NiceWhenEarned RudeMostlyElse says:

    I would very much like to hear the explanation of how the "Pestblock" is ANY DIFFERENT THAN THE REST.
    I'm already aware, but since you're spreading the word to the masses, you really should know these things.

  • Patrick Narciso says:

    thank you. very helpful

  • Cosmo John says:

    I think when curing, it gives off fumes and heat. how hot is the heat and how toxic is the fume?

  • Kent Wilke says:

    These straws also worked well for getting the most out of the cans I have.

  • Heather Mchaney says:

    Thank you!! Looks messy, but thanks to watching your video, i knew not to over spray; sprayed around front door which was letting bugs in and cold air out, not good. Thank you for your time!

  • himakgam says:

    you have to do a little bit on windows and doors , wait till it's cured and fill it on the second run and shave/cut. the way you did it that insulation is null and void, genius.

  • mangreat71 says:

    Can i use this great stuff for a motor mini bike called a real tree monster moto mini bike ? So the tires don't go flat ? And for a coleman ct100 mini bike ?

  • Cata strophic says:

    Spray is a super mess in any application , you can use light blue gloves to keep it off your paws, especially if you have no acetone .

  • Travis M says:

    Holding that can wrong guy, upside down always!

  • Trdat says:

    Slightly off topic, but I have foam around my window and it seems its loosing its properties being under the sun is that true?

  • bxgal347 says:

    Is there anything g out there non toxic that u can use arpu d pipe heaters??? I have animals a. D my neighbor moved out and was a disgusting dirty bitch and the roaches started crawling down my fucking pipes, a d although I did t get a lot because I caught it in time, idk of they fumigated and so I need something non toxic to put around all my apt heater pipes

  • Pushyhog says:

    U can wask out the twist on nozzle to & reuse with acetone.

  • Ken Qualls says:

    How can I insulate a pocket door without hampering the door or damaging the door?

  • Matti Virta says:

    hahaha outlet insulation…. big joke, no help anythink, too thin insulation have only joke.

  • mike gee says:

    what's with the Fred Flintstone thumb?

  • allfieldsrequired1 says:

    nice but please get rid of the "background" music – it's so loud you can't hear the instructions

  • Arif Benfaid says:

    Great video Jeff. Greetings from Tripoli, Libya

  • Bobby Brode says:

    Can you drill a series of small holes in your wall between the studs space use big gap filler to insulate a finished ext. wall … My home is 1845

  • Highway Robbery says:

    WARNING!!!! it clearly states 0:39 that acteone is only for tacky foam… ANY foam on your self must be either remover mechanically or allowed to wear off over time

  • Perez Perez says:

    Can this help for water licks on the window just one spot when win blowing South wall

  • metratone5 says:

    Hi not sure but my bathroom is freezing not too bad with the heating on. The back wall is hollow and it's facing the car parking area. I've drilled a few small holes so I want to fill the void with foam. All the pipe work is box in so won't be effected.
    Is there anything I need to consider before doing the work?

  • G- Lion says:

    Great vídeo. …

  • jesse rollins says:

    I don’t think you’re supposed to use batt insulation in rim joists bc it doesn’t seal it and still allows air to pass through. I’ve read only foam board or spray foam will do.

  • Peter Hornberger says:

    I'm skeptical that the light switch covers actually make a difference.

  • michelle Udontneedtoknow says:

    I have to seal up around our pipes & our porch windows bc the guy left em unfinished….but I’m terrified to use this stuff. So many instructions & warnings! I bought the window, gap filler & pear block lol

  • Machigane says:

    Another tip is to use the can upside down. Let gravity help you dispense the product instead of dispensing the propellant first.

  • GamersRace says:

    The electrical outlets only need to be insulated on exterior walls, and only if there is a draft. I feel like he didn't say it in the video but if there is no draft (an easy way to tell would be to see if there is dust collecting in the small cracks behind the panel) then putting insulation wont do anything. Also masking is a big plus when using any sort of expanding foam, it can stain white surfaces. 😉

  • Flip68 says:

    This Girl Thanks You so very much for this video!!! It was Excellent!! So very informative and Tips were very much appreciated 👍👍. It's only foam however it's All new to me!!.😁. Managed to apply it, not waste it.. with no problems or surprises…lol… Definitely my new favorite watch & learn Channel👍..Thanks again ..🤗.

  • PUA Guy says:

    Cue the porno music 😅

  • Eric Demaris says:

    I'm unsure but with that can foam aren't you supposed to hold it upside down and use it I noticed in the video he was holding it right up right side

  • Tony Tiger says:

    i tried to put it on a ceiling like surface (opposite to gravitation pull) and the spray foam just falls to the floor. Any ideas?

  • Luke H says:

    I have yet to find an answer as to if there is any difference between the regular great stuff and the pestblock. The pestblock says right on the can that it does not contain any pesticides. It also does not state anywhere that it has any additional active ingredients.

  • John Fitzgerald says:

    Could've used corking

  • Willow Piwarunas says:

    I have electrical outlets I could fly a kite cause of the drafts ,is the spray foam ok to use
    I did use the little things you used but it's not working very well can you help me with

  • francisco montenegro says:

    Hi I love your program its very educational, I have a question,how many square feet can I get out of a can of foam?

  • Tony Tiger says:

    why not spry foam around outlet?

  • Amzar Nacht says:

    Damn rats get up in the rim joists and can't be gotten rid of – have learned to avoid any sort of trap, and poison is not an option (dead rat in walls… no, thankyou). That's an awful large void to foam up but that's what I'm going to end up doing since they've just made homes in the pad insulation.
    They need pad & foam insulation that's impregnated with heavy duty irritants (capsicum, ect) that will last a few decades to urge rodents to find some other dwelling to infest.

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