FOAM INSULATE your SHOP- worth the Money?
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- Опубликовано: 21 авг 2024
- My shop gets spray foam insulation to cut down on the heat and humidity...but is it worth it?
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I live in northeast texas with high humidity I have a 40x40 shop with closed cell with 5 ton heat pump i love my spray foam makes the walls and ceiling stronger and my house is 40x50 metal building with 1in closed on the walls and 6in over that on wall and 7 on the roof so insulated i have a 5in register in my attic and on the hot summers my electric bill never gets over 190 bucks love it
I live in West Texas, and our temperature ranges -10 to 114 degrees. Humidity ranges 10-90%. I built a 30' x 80' shop with sliding barn doors, then put a light gray, 2" thick spray foam on the walls and 3" on the ceiling. The foam has made my shop useable year round. I use fans during the summer, and a propane heater in the coldest times. The money spent on the foam easily increased workable shop days by 45 days/year. I'm also seeing much less rust on my shop tools and materials.
Open cell foam is perfect for your location because it breathes where as close cell foam does not. Wood sealed in closed cell foam in high humidity will mold and eventually decay. Great in very cold conditions but not in humid climates.
Open Cell is the correct decision.
Great upgrade…suggestion…add the R-8 blanket to the back of your shop doors, simple panel glue install….I added to my door and the heat transfer reduction is measurable
I built a metal home/shop two years ago, near Houston, TX (humidity central). The house part is spray-foamed like yours, about 6 in. on the ceiling and 4 in. on the walls. My A/C keeps the house plenty cool for $80/mo. The shop has thinner insulation, fiberglass in vinyl underneath the metal panels. Still, the Mr. Cool in the shop does a decent job, except the shop is 1/2 the size of the house. In retrospect, I would spray foam the shop, too. Much better than pink insulation.
Thanks for the video, Jim. It was nice talking to you at the Bar-Z. Jon
I live on the Space Coast (east central Florida). We did this in my dad's shop almost twenty years ago and it was great. When my brother built his house, he also employed spray foam insulation. The house that I am currently building will also have have spray foam insulation. I believe it is the most efficient insulation option of all. I enjoyed your video very much. Thank you sir!
Works great ! Glad to see the kitties were having a good time. Thanks for sharing !
Thanks for the info! I'm also in central FL, and am planning on getting my shop temp under control SOON. Looks like foaming in my shop is definitely the right path!
Hit me up, i can send you their contact info
@@DoRiteFabrication Do they work North Florida also??
We build a zero-energy home in Wauchula Fl in 2013 our whole roof is white with the foam, and they also put it in the cement block. PV solar panels and solar hot water. Our electric bill with a $34.00-dollar basic fee each month runs average about $650.00 a year. It's a 2100 SQ foot home and the company was Tailored Foam of Florida. No issues with the foam and Irma Hurricane left or hip roof alone. I would have been one big hunk of white foam and lumber.
That's a great improvement, Jim. We don't have nearly your humidity problem here in northern Calif, but we have been having your kind of heat. 105, 107, etc. for the last two weeks. I don't have AC in my shop. I have a fan (actually a swamp cooler with the water turned off) that blows cool air through the shop all night like a whole-house fan. I have about 16 inches of blown fiber insulation, and that will keep the shop 25-30 degrees cooler than outside temp. Insulation is a great investment.
Good video. I'm in Pennsylvania, about 5 miles inland from Lake Erie. Our daughter had the attic in her house foamed which like you mentioned seals the ridge and eave vents. Big problem if you don't run an air conditioner. Mold has been a real problem in their house. We insulate from cold mostly and the moisture build up must be removed. For approximately 6 or 7 years without the foam, no mold or moisture build up was evident. Within a year, windows, began to show mold, and shortly after walls began to mold. Along with that came health issues with the kids. When the applicators were called in, they denied that anything about the foam caused it, yet the building code inspectors said that this was becoming a problem around our area due to no humidity control in the structures after foam installation. So I guess a warning or at the very least an acknowledgement that without central air conditioning foam could be a problem.
LaVern
Well in my case, the AC is on, or the bay doors are up.
@@DoRiteFabrication I should have said in OUR area a warning should be given. I realize that in your neck of the woods, an A/C is almost mandatory, where as where we are A/C is becoming more common, but a lot don't have A/C.
LaVern
I immediately noticed the change in the microphone audio quality. It is much cleaner. More studio. Quality.
Thanks, trying to constantly make things better, even if it is a little at a time...
It looks like they did a great job! I'm glad you're happy with it. The only reason I've put it off is because it covers the plywood sheathing of the roof and I like to be able to check that for moisture - both from inside and outside. I've been considering redoing the insulation in the attic and sprayfoam is definitely an option.
Moisture goes straight through open cell foam.
Did the same to our house saved approximately 40 to $50.00 dollars a month less dust easier to work in the attic in South Florida. That dead center squeal won't seem as bad with the new insulation.
Just add soldier.....
I don't no about your climate but it shur works great in -40 and also a great vapor barrier
I considered it as it works very well. The fact it makes future work WAY more difficult made me decide it wasn’t for me. I don’t want everything more or less gooed together. Or to have to chisel paths to run wiring or anything else. For sealing things up though it is outstanding.
It cuts super easy, but does jam it up a bit. Open cell is much softer than the foam o fill closed cell.
I put an extra 16 inches of pink fiberglass in my attic with a drop in power bills.
Thanks for sharing!
No ridge vent is a deal killer for me. I do appreciate that you explained the benefits of sealing off the ridge vent and the soffit vents. And being FL I can see the benefit of doing that.😁🛫
Nice seems like a great upgrade to a shop with a tin roof.
Additional comment you will need to have a AC company who knows about the spray foam and have a proper fresh air inlet installed on your ac units to draw fresh air because you have now sealer your shop and you need the ac units to pull fresh air into the units. Good luck.
Great thing to do , It does wonders for the heat and cool factor !! ENJOYED Jim..
After seeing multiple foam insulation I came away with a few take away. It is great for insulation and comparatively easy to install. However it is definitely a no. Seen to many places get moisture in between the roof or floor and the foam. You find out to late that you had a problem.
Thats closed cell foam that traps moisture, not open. That is the purpose of open cell.
@@DoRiteFabrication I really hope it works out and it’s amazing at keeping thing cool. However I’ve seen both variants. Mostly open cell. Same problems but less with open cell but still. It traps moisture against the wood. I believe in your application you won’t have any problems and I wouldn’t fault anyone for getting it . But it’s just not for me and that’s just my opinion.
Additional information I have 2X6 walls and 12 foot ceiling.
I had my metal shop done, with the tube frame type buildings like I’m using for an race shop it’s hard to insulate them unless you spray them, so I had it done, in my case it was closed cell, but the results are the same. My local contractor used a similar set up and like you it was the best money I spent on this building
Thanks!
Same here!
How much did it cost per square foot?
Great video Jim, been looking at this for a while. Curious what roof you have and the extra heat with no underlayment ventilation, standing seam metal should be no difference, but I would even asfault shingles should hold up.
By extra heat, I mean extra heat to the roofing material
Obviously I cannot spell. Lol
Dont feel bat EJ, i cant spell worth a crap either....lol
Know the drawbacks of this install. Roof leaks, you'll never know until the plywood rots away. The shingle and underlayment will have a decreased service life due to no venting at the sheathing (underside). It's best to do this with a high temperature self adhered membrane on the roof and a metal roof system, concealed fastener type. Thanks for sharing!
Actually, the problem with plywood decay is very unlikely with an open cell application. If you have a roof leak, water will soak right through it and drip to the floor below and you'll know it. The underlayment and shingle life should be virtually unaffected because the foam does not hold temperature as a thermal mass. What does the damage is the actual temperature cycles that the roof materials go through. In Florida, shingles typically only last about 70% of their rated life cycle due to the extreme heat and UV exposure.
That what I need to do to my shop so I can add A/C
I have a few questions. 1) Why open cell? 2) Where in central Florida? I am in Holiday..
Open cell lets the moisture through in case of a roof leak, you know where the leak is. 1 hour west of Orlando.
Pretty cool!
Hi Jim, I really like the stuff you do. I have a metal roof over two 40 foot containers with an inside space between them of 20 feet. Do you think the metal roof could be sprayed foamed? I am concerned about the weight it will add to the roof. Also the metal is painted and pretty slick, will the foam adhere to the metal? Thanks!
I cannot speak for how strong your metal roof is, but i think this stuff will stick to most surfaces.
good stuff, just ugly as all get out... I put the industrial blanket insulation in my shop cost a lot more but has the finished wall look to it. and after time as the foam breaks down youll see a dust on everything.. itll take years ..
You're not wrong about the dust over time although I disagree with foam being ugly, but I'm biased.
Hello, how are you doing. I hope you are safe and in good health. Looking for a new friend and i saw your pic here. I hope you don't mind thank you.
I may look into that for my garage here in Houston which has the same humidity issues as you do. I know because I've lived in Orlando and other Florida cities. I can understand if you don't want to give the name of the company but where are they based in the Orlando area? I'm familiar with Altamonte Springs, Apopka, Winter Park, etc. Used to visit Little Wekiva Springs long before it became a park.
My cousin had his barn/ shop spray foamed and they said the r value was around 3. My thought was why bother if that is all he was going to get. R 20 ish seems definitely worth the money. My main concern is if you have a roof leak, how bad will the decking get before you notice.
Great video and thanks for sharing this with us
Open cell foam, the water goes straight through. It's like a sponge.
The R-value of open-cell foam is generally 3-3.5 per inch depending on the brand. It would be extremely unusual for only 1 inch of open-cell foam to be sprayed in any job. Like you said, why bother? Maybe your cousin misheard the explanation of the R-value of his install? He can check the depth of the spray with a stiff wire, like a coat hanger, and multiply the inches by 3 to get a ballpark number for his R-value.
The only other scenario I can think of is that he had closed-cell foam installed, which is roughly R-7 per inch. It would still be extremely unusual to only put 1/2 an inch in as the total install.
What about a UPDATE on your insulation job, satisfied?
Hey Jim , will I see you at Oshkosh this year?
It works good
Shingle life can be severely shortened by that loss of attic ventilation. Are you using tin shingles?
What company did you use? I'm in the dallas area, wondering if you are as well. Ah, just saw you're in Florida. Great info regardless!
West of Orlando fl.
I'm in Nawth Central Florida ( Suwannee County ) would you recommend it to be sprayed in a total metal shop, was thinking about having it done on the metal roof inside & go with something else on the walls
I priced it out for my pole barn and at $1.75 a ft. And my roof is 30 x 50 the cost would be $2,625 for 3” of foam ! To recoup it for heat would be 5 years break even and that’s not bad , now the question is OPEN or CLOSED foam ? Any ideas ?
Open. Roof leaks will go right through. That way you can find the leak.
@@DoRiteFabrication thank you !
So you're saying by 10 years its saving you 2 grand, seems like a good deal
Works great but it ain't cheap
paws up. that was funny. would you be able to tell if you had a leak in your roof ?
Yes
The only good thing about the blob is it stared a young Steve McQueen.
👍😎👍
is there a lot of off gassing??
I smelled it for the first 6 -8 hours post spray a bit in the shop, after that I hardly noticed it any at all.
What is the chemical composition of these new spay foams?
The vast majority are a polyurethane.
@@brettbaldwin3829 I guess they don't use the Urea Formaldehyde foam (UFFI) any more. It was used for years here and banned several years ago. People had all kinds of health problems and had to have it removed. You can't sell a house now if it exists in the structure. It's almost impossible to remove.
Sort of like asbestos used to be. I guess polyurethane is ok. But it must off-gas something.
@@davesage9190 Yes, urea formaldehyde is long gone in sprayfoam. There is some off-gassing depending on the formula(brand) but most manufacturers have gone to fully reactive catalysts which become part of the plastic during cure so it has been reduced to negligible amounts over the past two decades for inuslation foam. Generally, a job that is well ventilated during and for 24 hours after the install will have virtually no smell depending on how sensitive your nose is to polyurethane plastic.
But you can still sell/rent houses with lead painted insides....