Intro To Jahn Concrete Formwork Systems Part 1
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- เผยแพร่เมื่อ 30 ก.ย. 2024
- This is an introduction to the Jahn concrete formwork system. This series of videos will go through the step-by-step process of using this system and I discuss some of the challenges, benefits, and design elements to consider when using thus type of formwork system.
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Out of curiosity... have you seen anyone use pipe in place of those ties to reduce the amount of concrete and to allow for pluming and electrical runs through the wall?
my first thought was one inch pipe with a bolt through it and washers on either end....
The pup at the end was hilarious!
instablaster.
You'd have less concern about the holes going through perfectly square if you used a jig on your drill. They're a great way to make sure you're perpendicular when you're drilling through something where that really matters, like these forms.
What if you want a 9' wall?
Is it cheaper than block?
It must be stronger than block?
That is a very sweet pup! Did she grow out of chasing the hammer?
you can use your adjustable wrench on the banding too sometimes it is a bit loose and hard to break you slide your adjustable on the banding adjust it till its just snug and slide the claw of your hammer next to it with the banding between the two claws and twist opposite directions.
Interested in more info if possible
So great. Have always wanted to know how to do this!
Thanks, Stay tuned for part two!
Good morning from Auckland, New Zealand ...an M1 hammer are expensive for cutting those banding strips!
Thank you 🎉
your dog🤣
Hey Dan - Just wanted to thank for these videos here ... they are really perfect and informative ... thank you ...
Glad you like them!
@@DanSarahMakers Just wondering if it's possible to let me know how you laid out for 16" OC and 8" On Edge ... I know it's simple but for some reason it confuses me ...
You mentioned that you were going to reuse the plywood for shelving. Did you skip release agent so they wouldn't smell afterwards and if so, how much more difficult did that make it to strip the forms?
What is a hammer .... that's a stick .... come one throw it .... I wanna chase it LOL
Great video Dan! Could you use this system to extend the depth thickness of an existing wall? I have 8 in poured walls that I want to extend an additional 12 in to. Could the Jahn ties be mounted to the existing poured wall?
Most beautiful playful pup man, love dogs! Hope all is well thanks you for the tips
Typically you use a 9/16 bit so that the Burke plywood plugs fit in the holes if you mispace or reuse the plywood with a different layout
Looks like you work for HP Dan? I came across this prepping for bootcamp. Awesome job with the video brother!
This is the best video that I’ve seen on TH-cam so far. I’m saving it to my favorites..
Great video. How has the makita 18v circuit saw held up?
Lol man's best friend. My buddy!
Hey Dan. Lumber is expensive right now, and I wondered what your opinion would be about using 1/2" plywood, then shortening the span between framed boards? Just curious, really on a budget here.
Definitely not any further than 2ft unless you wanna roll the dice. I do walls for a living and we use old schools simmons panels. But the thing is you would want to introduce some vertical pieces behind the horizontal soldiers. (2x4s) to displace the pressure a little more since you want to space the two bys more. Even using rips would work.
I see your likes the new hammer lolll... how do you like it to now?
Really informative thank you!
Starts off drill a whole stack to save time and risk inaccuracies
LoL
Check out the instructions for the Jahn system sometime. Step 1, gang drill the plywood. This may be a problem for someone that can't hold a drill square to the plywood but if you limit yourself to 4-6 sheets at a time you should be ok. Very often reinforcing will be in the way and the ties will have to bend slightly to get around it. So, +/- 1/4" or more in hole layout isn't a big deal. As for drilling them one at a time, that sounds like union mentality. Don't work too fast, you will make us all look bad! The real trick to all areas of the construction process it to know where you have to take the time to be very precise and where you are just wasting time.
Lol you don’t need a 200$ hammer
I know, but they are really nice.
thank you so much.
Nice job ?how and where do i get these snap ties i need 1500
It depends on where you live. White Cap has their "Brigade" brand, searching for a local concrete supply store that has form work, EBAY may have some sellers too.
Thank you well i am in jamaica but if i can get them in new york that would b good i could get them ship to me
good stuff so far.
Thank You.
Give them a hundred years and those metal ties are going to carry rust right through your wall, and speed the rusting of your rebar as well. They're not what you'd use if you want your wall to last.
I level out my lawn so I need to make a 2 day high retaining wall that is 8 inches thick.
I was wondering, if the plywood is bent or warped. Do I face the out par outward? Then with ties and outer stakes it would straighten it.