Passive House (Passivhaus) construction

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Re: Passive House (Passivhaus) construction

Post by admin » Tue Aug 27, 2019 8:31 pm

luckily i have the best demolition guy in southern chile:
20190827_192615.jpg
my 7 year old nephew with the jack hammer. his mom was not too happy about me giving power tools to him, but he sure was. what was he going to do, break my house?

we are negotiating the work on the guess bathroom.

but, besides a cool photo, the point with this one was that the cold was passing through the studs, to the cement board and tiles, turning the whole wall in to a big thermal sink or radiator sucking all the heat out.
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Julito
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Re: Passive House (Passivhaus) construction

Post by Julito » Wed Aug 28, 2019 10:49 am

You might find this interesting. Temuco. They´re prefabricated and "seem" to be very experienced.

https://www.rucantu.cl

Click the drop down Custom Passiv

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Re: Passive House (Passivhaus) construction

Post by Space Cat » Wed Aug 28, 2019 12:56 pm

Julito wrote:
Wed Aug 28, 2019 10:49 am
You might find this interesting. Temuco. They´re prefabricated and "seem" to be very experienced.

https://www.rucantu.cl

Click the drop down Custom Passiv
Thanks! But, hopefully, they do non-prefabricated too. I already made a plan at Floorplanner.com for our work-from-home needs and some unusual but simple to implement ideas — like a Japanese bathroom with a separated wet zone. Here's an example:

jp-scheme.jpg
jp-scheme.jpg (20.83 KiB) Viewed 130 times

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Re: Passive House (Passivhaus) construction

Post by Julito » Wed Aug 28, 2019 1:17 pm

Will the skylight open? Look at Velux. Good for ventilation, and in a wet area they can be closed to the weather but still ventilating/drying things out. Another option is solar tubes which are cheaper but still very effective.

A tip, if the divider is clear glass it looks great but´s an absolute pain to keep clean/looking good in a wet area, been there done that. Instead go for diffused glass.

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Re: Passive House (Passivhaus) construction

Post by Space Cat » Wed Aug 28, 2019 1:36 pm

No plans for a skylight — this was just an example from the Internet in case somebody hasn't seen this type of bathrooms before.

We are going for a super basic house construction-wise, it even will be shaped as a single rectangle. Making it airtight is hard enough, so I'm trying to avoid any additional complexity.

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Re: Passive House (Passivhaus) construction

Post by at46 » Wed Aug 28, 2019 8:37 pm

I think the fan sitting right above the toilet might be more useful :) And closer to your wet zone, which actually doesn't look like it's going to have enough ventilation.

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Re: Passive House (Passivhaus) construction

Post by admin » Wed Aug 28, 2019 9:09 pm

quick tip. buy the biggest fan you can. the one that makes you levitate when turned on.

after all that cost, another say 20 or 30,000 pesos is a small cost 5o have it work corectly.
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Re: Passive House (Passivhaus) construction

Post by admin » Wed Aug 28, 2019 9:13 pm

20190827_194124.jpg
i wanted the open kitchen, so I dropped the money on the biggest fan i could find. i told my wife, "i want it to suck the chin off the floor" (the chin is our to 2 kilo Japanese chin dog).
20190827_194540.jpg
trotter makes good, and cheap German stuff in my experience with it.

FYI, that photo is a bit before i got the rest of the cabinets in
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Re: Passive House (Passivhaus) construction

Post by admin » Wed Aug 28, 2019 9:17 pm

I use to look down on the 'floating flooring' as "not real wood", when i first came to chile.

but, man does it go down easy and solve a pile of problems. that foam pad under it sealed a floor that as i was working on it, i could feal the air moving through the floor. that was inspite of some half ass attempts to insulate the house from underneath.
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Re: Passive House (Passivhaus) construction

Post by admin » Wed Aug 28, 2019 9:32 pm

this is probably the best photo i have of how it looked before. i told my wife that my mind just rejected the very existence of that kitchen. i simply never took a photo of how it looked to start. so i never took a photo before i ripped out the cabinets, counters, etc.
20190828_202928.jpg
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Re: Passive House (Passivhaus) construction

Post by admin » Wed Aug 28, 2019 9:39 pm

I would put it this way. if a prisoner was held in that kitchen, human rights watch would have a few issues with it.
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Re: Passive House (Passivhaus) construction

Post by admin » Wed Aug 28, 2019 9:54 pm

funny story. you see that vertical "support beam" to the left?

at first look, it looks important.

I thought so too, but waited until i had fully framed in new supports, plus sistered much stronger beams along side of the horizontal beam.

I finished that, fully unloading the beam on to the new supports.

decided i would deal with removing that one, after i had a cup of coffee. as i walked by it, with my framing hammer in my hand, i gave it a light tap just to see how hard that was going to be remove. I was not even looking at, just expecting some various levels of 'thud' to tell me how hard it would be to remove.

the beam fell over, almost killed the Chin that was running around under my feet.

THERE WAS NOT EVEN A NAIL CONNECTING IT TO THE SECOND FLOOR OR THE FIRST FLOOR, or that horizontal beam holding up the second floor!!!

it was just pinched in place by the two floors.
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