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This home is going to be Passive House Certified. Which means it is extremely air and water tight. A dedicated Energy Recovery Ventilation (ERV) system will be continuously running by supplying outdoor filtered air into the living spaces, and exhausting out contaminated air in the bathroom and kitchen areas. This will help move the air around the home and keeping it the same temperature throughout. The 6,000 btu, ductless HVAC system will handle the 3k heating load, and the 4k cooling load. This home is 650 s.f. of living area. It is also the first of it's kind in Orange County. Hopefully this explains your question.

Thank you for your comment. Cellulose is one of the best ways to insulate walls and ceilings, especially when you dense pack it. We DO NOT use spray foam for several reasons.

Thanks for your comment. You have to make sure that the insulation is not too dense packed, which will cause issues with hanging the drywall. We use 5/8"thick drywall, with 1 5/8" coarse screws to hang the drywall.

They say to use large hard roller to roll the bulge flat, you can use a 11" roller stand.

@ never would have thought of that. Great idea. I have a professional aluminum wall roller. Paid $350 for it but I like your idea

@@besttechscontractingdesign3885 I agree. But still have to meet 3.5 pounds per cubic foot or it’s not really dense packed. A discerning eye will see bulges in the drywall, even 5/8”, unless the walls are strapped horizontally.

Building Passive Houses. How are you?

Hello Ryan, what we have is a Passive House Build. Rain screens/airgaps are one of the most important things to do to the building envelope. It allows the building to dry when it gets wet. When it comes to the stucco, yes it is low for now. The surrounding dirt will be taken away when the landscaping gets done. Actually the plans call out for the finish grade to be 8" from the Pressure Treated bottom plate (P.T.), and 4" from the stucco. I think you said it right in your comment. Thank you for the comment.

Waterproofing is behind everything you see here. (Clean Underwear in the glovebox). Furring strips are to give a drainage gap behind the cladding (Suspenders). Paper is a bonding surface for the stucco and altogether this outermost layer sheds most of the water before it ever hits the control layers deeper in (Belt). That said, I like a gap between grade and cladding too. At least you can readily see termite channels.

Thank you for the comment. Keep on watching as we finish this "First Of It's Kind" in the OC!

That means your house is leaky. Even with your windows closed, smoke can still get into your home through gaps and cracks around doors, windows, leaky building assemblies, etc. You should probably get an energy assessment done on your home to see where the potential smoke is entering.

Move

Sorry to hear that. What about ADU's that you don't like?

There are several different ways of achieving an air tight building assembly. WE like using the Pro Clima Adhero 3000 peel and stick product because it works with all of our Pro Clima materials without compromise. Behind our blue Adhero is 1/2" structural plywood which is stronger and more air tight than the Advantech ZIP sheathing. Thank you for your interest.

@@JasonScheurerJS Interesting. Airtight house is the way to go and I am always interested in how other people do it. Is this structural plywood thing a CA requirement preventing from using Advantech? I use Zip-R on our jobs. WRB, sheathing, and exterior insulation in one pass. I have seen people make 3 go-arounds on a house to get this. Once could argue that having independent materials allows for a better solution (I agree that is possible) but is it 10% better? If it isn't 50% better than labor is not worth it unless you are in an extreme climate.

@@crabkilla The plywood needs to be structural for this home because it is small and detached. Almost all walls had structural hold downs. OSB can be that source, however some OSB's are not air tight. Plus this home is going after Passive House Certification and there are strict guide lines. Yes, I do agree that the ZIP system is faster, and less on labor, but sometimes does not meet the stringent Passive House Standards and techniques. If the ZIP system came in a Plywood choice, we would probably be using it. The main thing is the Pro Clima line of air/water barriers is the best in the World, so another reason why we do it this way.

@@JasonScheurerJS Ohh makes sense. I get that Zip isn't good enough for passive house standards. 💯. However, not sure why anyone in California climate (unless you are in Central Valley or Tahoe) would spend the money for a passive house. I live in CA and wouldn't spend the money for an airtight house, given how mild the weather is here. AZ or ME house - for sure!

Thank you for the comment. I am glad you have a good excavator that you have access to.

This one is a exhaust vent. The term Roof Jack actually covers many pre molded roof flashing for pipe and vents. Its mainly the molded flashing.

@RonMetcalf2879, and @Outdoors1776, that is correct! Many types of roof jacks, this one is for an exhaust fan.

Thanks Corbett. Now we just need to educate 331,899,999 people in the U. S.

Thank you for enjoying BEST Techs Contracting and their Home Remodeler finished room addition with Ductless HVAC. We have other videos on our TH-cam channel. Feel free to watch and enjoy.

Smoke pencil inspectortools.com/regin-s220-smoke-pen/ It only smells a little bit like a burning wick.

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