Angus Johnson

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since Nov 17, 2022
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Recent posts by Angus Johnson

Hey, I'm building I tiny house for myself and I have the rafters up. I'm now thinking of sheathing for metal. My insulation is 8.5 inches thick and my rafters are 9" 1/4, is that 3/4 of an inch enough air space in a vented roof? I’m in zone 5, The pitch is 6/12.
I'm thinking I might put vertical board above the rafters to get an extra half inch or inch but I wouldn’t if I don’t need to. Also I'm curious if I can just use purlins to attach my metal roofing to instead of buying plywood? I have some good waterproof underlayment.
I would really appreciate appreciate any input!
I have seen a video where the guy hangs his underlayment down a bit under his purlins between rafters so when water condensates from the roof it has a place under the horizontal purlins to flow down the roof and not get stuck behind the purlins.
I like this idea but I’m worried that if I did that without adding more wood on my rafters that might not be enough air space 🤷🏽‍♂️
2 months ago
Hello everyone, I’m designing a tiny home for myself on my family’s off grid property I have lived here for my whole life, just over 20 years! I’m hoping to get it built before winter but I’m not to sure I will be able to and I’m okay if I can’t. I have a platform on a foundation with the floor down and I’m designing the building right now.
I am going to try insulating the building with sawdust, maybe clay slip or just mix dry clay then add water I’m not sure yet and probably a bit of lime, I am very excited to try this technique of building! Any suggestions around that would be sweet but I have a pretty good idea how I’ll do it. The only thing I’d love to know is if it’s silly to insulate a roof with it, I have seen two videos of people insulating roof with hemp Crete.
My thought was to just invest in a small wood stove for the first years I live in it and maybe I replace it with a small rocket mass or batch box later but maybe not if there was a solid design and someone telling me to go for it.
I’m just not sure about a solid design I would be comfortable building, if there are any suggestions of that I’d love some help!
I like the concept of the cyclone batch box but I haven’t seen much update on it.
If I build a tiny match box or just j tube style I’d really love to incorporating a flat cooking top or oven of both if possible. My thoughts would be to put a steel or cast iron plate about where the top of the bell would be on the cyclone and either just put bricks on top when I’m not using it to cook or make some type of removable oven top that goes on top just not sure how that would be done.
3 months ago
Hello everyone, I’m designing a tiny home for myself on my family’s off grid property I have lived here for my whole life, just over 20 years! I’m hoping to get it built before winter but I’m not to sure I will be able to and I’m okay if I can’t. I have a platform on a foundation with the floor down and I’m designing the building right now.
I am going to try insulating the building with sawdust, maybe clay slip or just mix dry clay then add water I’m not sure yet and probably a bit of lime, I am very excited to try this technique of building! Any suggestions around that would be sweet but I have a pretty good idea how I’ll do it. The only thing I’d love to know is if it’s silly to insulate a roof with it, I have seen two videos of people insulating roof with hemp Crete.
My thought was to just invest in a small wood stove for the first years I live in it and maybe I replace it with a small rocket mass or batch box later but maybe not if there was a solid design and someone telling me to go for it.
I’m just not sure about a solid design I would be comfortable building, if there are any suggestions of that I’d love some help!
I like the concept of the cyclone batch box but I haven’t seen much update on it.
If I build a tiny match box or just j tube style I’d really love to incorporating a flat cooking top or oven of both if possible. My thoughts would be to put a steel or cast iron plate about where the top of the bell would be on the cyclone and either just put bricks on top when I’m not using it to cook or make some type of removable oven top that goes on top just not sure how that would be done.
3 months ago
I’m wondering if it’s possible to build a unpressurized rocket water heater for showers. If anyone knows anything about pulling something like this off please let me know what you think.
1 year ago
I’m wondering if aircrete would work as a water proof barrier instead of using plastic, for a underground home?
Maybe bed sheets dipped in bees wax would work?
Just curious:)