Aug 17, 2023 · All the rebar & wire mesh should be supported with not less than 1" bar chairs or runners. These are placed directly on top of your vapor barrier. With a vapor barrier, you don't need …

Understand the options, design requirements, and common pitfalls to spec the right footings to keep your foundation strong for a long time.

Nov 19, 2002 · Rebar is design for load, welded wire and fiber is designed for shrikage cracking (freezing and thawing) The weight of the vehicle is not much per sq ft , concrete itself without …

Mar 10, 2007 · Gene - from your question, it sounds like you haven't seen the prescriptive manual for ICF construction - have you? It is available free online, HUD puts it out - it has rebar spacing charts …

The 2018 IRC introduced Table R507.3.1 Minimum Footing Size for Decks and it makes sizing concrete footings for a deck simple. The table has three main columns—one for Live or […]

The large, usually bare-copper wire clamped to a ground rod driven into the earth, or to rebar in a concrete footing. Because the rod or the rebar is technically a grounding electrode, this “ground wire” …

Piffin | Apr 28, 2011 06:37pm | #7 How much rebar depends on size of the tube form. 6-8" just use one #4 right n center 12" I prefer three #3 tied together at top

Nov 10, 2002 · rebar does nothing buy keep concrete from bending, by more weight on top it will bend more. size of rebar does not matter it is total size of all steel in footing that matters. 3 #4 or 2#6 …

A deck foundation is different from a house foundation because the load is concentrated at specific points. Here's how to make the right choice.

Oct 9, 2003 · For a driveway you can use 6 x 6 8/8 or 6 x 6 6/6. However, I'd recommend using rebar - #4's at 12 or 18-inches OC each way. Use dobies (little concrete blocks with tie wire - you can get …