Hi all, I am considering using Arxx ICF’s for the foundation of a new addition. I have read all the literature I can find about this product. Any one ever install this? As I am considering doing the work myself. I have a construction background and am wondering if there are any drawbacks to using this versus conventional block. Thanks all Toga
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I specified it for the foundation of my house I designed which an experienced contractor built. He did a fine job with them, and I would not hesitate to use them again.
He took the Arxx class, and the rep helped him since mine was his first foundation. It did not seem difficult at all, but it was slow being the first time. The rep said generally that carpenters seem to do better stacking the blocks than masons. It is important to follow instructions, including rebar, straightening, bracing, and placing the concrete.
The foundation was wrapped with Grace waterproofing membrane. These items, along with proper stone and drainage tile gave me the warmest and driest basement I ever had. With no heat at all (just the ductwork with no openings) the basement was warm, even when the weather was 30°F below zero.
The interior must be covered in drywall. It cannot be left exposed because of flammability. That may be a drawback if you would not otherwise have spent the money to finish the basement to that extent.
Besides taking the class, I'd ask the rep for the CD of architectural details if you are going to do anything other than a straight foundation, such as a brick ledge or a ledgerboard for a deck.
Wayne has pretty much nailed it.
AARX has a certification program and it's foolish not to take their classes. (Actually, my impression is that they require it as a CYA if nothing else).
If you're going to do it yourself, make sure you connect up with someone who can rent you the scaffold brackets if you're doing a high wall. ICF's are a little unique in that they require adjustment AS YOU POUR to maintain the perpendicular.
The methodology for window and door bucks, mudsill overhangs, girder attachments, etc, are somewhat unique and require a little education.
Otherwise, they're a piece of cake and a nice way to do concrete construction.
The AARX forms are a great product, but not something you just dive into.
I've done four of them. Easy as pie, IF you follow the guides and get the footer level
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