Save Utility Costs With This Foundation Product
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- Опубликовано: 25 мар 2024
- NOT SPONSORED Cold Climate will benefit greatly with this foundation inclusion.
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Only thing we see with this approach is the rigid foam board gets beat up after awhile. It really isn't designed to be a finished product on the exterior. Some folks will add a light stucco to harden it but they still wrecked. Def recommend putting two feet perimeter around the house with a no grass buffer.
Agreed. In a later video it will show being covered with galvanized flashing.
I would like to do something similar with "frost protected shallow foundation" in northern Montana. From what I can tell 16 inches below the surface is what would be required for footing and stem wall. Insulation required is 48 inches total for vertical and horizontal that extends outward.
Great info and points. Keep doing more
Thanks, will do!
What do you think about a monolithic slab-on-grade that is fully insulated, 2" foam under and on the sides, including under footings? Then have PEX tubing embedded in slab-on-grade for radiant heating.
Nice plate for termites to come up between the cement and foundation. Most termite infestation locations will never let you have foam on the outside of the foundation. Whether true or not, our local pest control companies will not provide a termite guarantee letter.
Good to know! We are installing galvanized flashing over top.
We were building passive solar homes back in the 1970's and 1980's and we were putting the ridged foam around the foundation covered with sheet metal, however you can end up with insect problems especially termites so i am not convinced it is worthwhile doing in the long run if unseen insects like termites have been getting into the framing for many years and cause serious damage. Just personal experience.
Maybe cement board on the outside of the foam, then parge it, then frame it then drip cap then exterior sheathing then finished product?
2 inch of foam with stucco lathe on the outside. Wall will be flush with bottom insulation.
How does a thermal break help when it’s limited to the perimeter of the foundation where the total bottom surface will be exposed to the cold earth?
I guess what he was saying is that this was the best they were able to do. He did say he would rather insulate the underside of the pad but the engineer called for the perimeter foam.
Icf
You didn’t really explain why you don’t like icf’s?
Because the thermal break on the inside stops the inside heat from getting to the concrete in the middle which prevents the concrete from absorbing inside heat and radiating it back inside.
That's how I took his comment.
Rodents love that foam
😬😳😱
We have rodent control with full galvanized flashing over top and down the side of stem wall. Plus local county permitting office required office.
Do you see this as necessary in climate zone 3-4 in north Ga?
We do this in Z4 in central North Carolina.
Too many termites. They'd make a condo out of it. You'd have to put it on the inside of the stem wall.
Inside is better, but for a shallow stem we had to put it outside.
ICF has 2 thermal breaks, with a thermal battery in between.
Thermal breaks don't store or release energy when and where it's needed. Especially when it's behind 5/8 sheet of sheetrock and 2 inches of foam. It's technically only a structure at that point and isn't able to use it's absorb and release capacity.
@@chadd587 this has been extensively studied. When you put a huge thermal mass in between two thermal brakes, you get a huge store of thermal energy. This is why ICF homes do so well in places like the desert Southwest, where they have large day to night temperature fluctuations, where R23 ICF houses behave like R50 or higher.
@@jasonsstratton I understand the method of thermal "banking". I'm pointing out that an interior thermal break defeats the purpose. It doesn't reach the concrete in the middle in any meaningful way, much less help regulate the home. You'd be better off removing the interior foam after the wall sets and smoothing it with a sheetrock putty. R value isn't as beneficial beyond 20, and completely blocking off the interior from the exterior is not good either.
The principle behind ICF is R value is king and the more the better. I say it's not.
@@jasonsstratton something like Omni Block would be better for thermal banking than ICF.
@@chadd587 I think you are wrong on several levels. The principal behind ICF is thermal mass. It creates a thermal battery that is between the outside environment and your house. If the outside temperature fluctuates 40 degrees, the battery fluctuates 10 degrees and your house fluctuates 2 degrees. It's a thermal sink completely between your house and the outside environment. The sink is separated from the house, and the outside by a thermal break that makes the thermal mass fluctuate independently as an intermediate between the outside and inside. I'm not a fan of floor systems with ICF that tie into the concrete because it creates a bridge between the concrete and the house and couples the 2 spaces. Omniblock looks like there is no thermal break. If there is concrete that touches the outside and the inside there there is a path for heat to transmit from outside to inside and there is no thermal break, which is the whole point of an insulated wall. I will say that ICF works better on some places like the SW, compared with other places like Canada. In Canada it's cold enough that the battery is always going to be colder than the house, therefore you lose the purpose of the heat battery and the concrete just becomes bad insulation. In the desert southwest where the temps can average 70° with large day night variation, ICF and other mass wall houses, can completely replace climate control for large parts of the year.
I am a mechanical engineer and you do not know what you are talking about.
Per the county requirement on shallow footings this was required. So, maybe the county does not not what they are talking about. But thanks for the comment.
As a snarky engineer, I'll bet you get dead end jobs that lead nowhere. Would you like to elaborate on what your concern is for the rest of us that also don't know?