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-   -   Gauge of lintels in block stand? (http://www.fornobravo.com/forum/f6/gauge-lintels-block-stand-4049.html)

dbhansen 05-15-2008 08:52 AM

Gauge of lintels in block stand?
 
I was checking out the angle iron at the local Big Box Store and found that they carry varying widths and thicknesses. I specifically recall that they had some at about 1.25" wide @ 1/8" gauge and about 2" wide @ 3/16" gauge. Would those both be wide and strong enough? What's the recommended minimum gauge for the lintels?

dmun 05-15-2008 09:55 AM

Re: Gauge of lintels in block stand?
 
I think the thicker/bigger angle iron is indicated. Don't hesitate to visit your local junkyard/scrap metal dealer. They may have even bigger pieces, and will cut it to length for you. I think the stuff at HD is overpriced.

christo 05-15-2008 03:09 PM

Re: Gauge of lintels in block stand?
 
If I had it to do over again - and I likely will someday....

I would forgo the lintels all together - and let the slab span the opening in the front. There are many examples of this alternative here.

Christo

dmun 05-15-2008 03:51 PM

Re: Gauge of lintels in block stand?
 
Here's a clever idea from JED:

http://www.fornobravo.com/forum/phot...1_DSCN7437.JPG

Cutting out sections of block divider, and inserting rebar for a reinforced lintel. Of course you have to support the span from below when you set it up, and fill it with concrete. A slightly more expensive idea is to buy a pre-cast concrete lintel to span the gap. You could do like I did, and make a form and build a masonry arch.

Or as christo says, you could just put an extra piece of rebar in the front of the slab, and forgo the lintel entirely.

asudavew 05-15-2008 04:18 PM

Re: Gauge of lintels in block stand?
 
I love the idea of forgoing the lintel.
But I used one.
Just an old t-shaped bar from a garage door opener that the previous owner left at my house.
It worked fine and the t-shape adds some strength.

dbhansen 05-15-2008 08:31 PM

Re: Gauge of lintels in block stand?
 
Thanks for the input! I'm considering a cantilevered hearth and a brick arch in the opening to the wood storage area (kinda like my avatar shows, and like Ken has done), so I think I need the blocks to span the opening. But I will investigate these ideas further and try to find pictures of other methods. Thanks again.

Dutchoven 05-16-2008 08:23 AM

Re: Gauge of lintels in block stand?
 
You could build the arches first and then pour the slab...
Just a thought!
Dutch

brokencookie 05-16-2008 11:44 AM

Re: Gauge of lintels in block stand?
 
Quote:

Originally Posted by Dutchoven (Post 32567)
You could build the arches first and then pour the slab...
Just a thought!
Dutch

You must be reading my mind. My plan is to do exactly that. Hopefully I will get the arch right. But if I don't, I can tear it down and redo it up until the slab is poured. The arch should provide a lot more bearing strenght than a straight lintel

dbhansen 05-16-2008 01:26 PM

Re: Gauge of lintels in block stand?
 
Now that's an interesting idea. The arch itself could help support the hearth slab. I like it!

dbhansen 05-16-2008 01:32 PM

Re: Gauge of lintels in block stand?
 
I just came across this document on brick arches:

Brick Masonry Arches

It has lots of images to get the brain juices flowing!


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