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Cheap-n-dirty shelving for concrete wall?

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Cheap-n-dirty shelving for concrete wall? John E. 02-16-2007
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Posted by John E. on February 16, 2007, 3:20 pm
Thus spake Al Schmidt:

> Get the Industrial Strength double wide tracks and brackets. They carry a
> large load.

You mean these?

<http://shelving.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=10014651&
Category_Code=EL-SH&Store_Code=SHELV01>

<http://shelving.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=10001019&
Category_Code=EL-SH&Store_Code=SHELV01>

--
John English


Posted by Glenn on February 16, 2007, 3:54 pm
I got a fatal error on both your links.


> Thus spake Al Schmidt:
>
>> Get the Industrial Strength double wide tracks and brackets.
>> They carry a
>> large load.
>
> You mean these?
>
> <http://shelving.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=10014651&
> Category_Code=EL-SH&Store_Code=SHELV01>
>
> <http://shelving.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=10001019&
> Category_Code=EL-SH&Store_Code=SHELV01>
>
> --
> John English
>


Posted by John E. on February 16, 2007, 4:30 pm
Thus spake Glenn:

> I got a fatal error on both your links.

Try:
<http://shelving.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=10001019&
Category_Code=EL-SH&Store_Code=SHELV01>

<http://shelving.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=10014651&
Category_Code=EL-SH&Store_Code=SHELV01>

--
John English


Posted by clintonG on February 16, 2007, 11:47 am
<snip />

No, no, no
> |\
> | \
> | \
> | \
> =======


Yes, yes, yes
> =======
> -------
> | /
> | /
> | /
> |/
>

The second diagram supports loads reliably when properly braced. It is
reasonable these days to consider an adhesive that could glue the bracing to
the wall but without bolting metal bracing to the concrete wall the load
bearing capability of the shelf would not be very reliable unless the
vertical members of each brace extend to the concrete floor.

This could easily be built by using 2x4 for the bracing. Glue the vertical
members to the concrete wall using the proper adhesive made for such tasks
and extend the vertical member of the braces to rest on the concrete floor.
A 3/4" x 12-15" plywood shelf with bracing every 36" should suffice and
could easily carry loads up to 100 lbs. without worry. I don't use or
recommend particle board in a garage. It warps too easily and does not carry
loads well unless the bracing is reduced to every 18-24" for any meaningful
loads. I wouldn't pull my bracing in any more than 12" from either end of a
shelf and still, for the most secure installation a bolt or two through each
vertical brace into the concrete wall is the best solution.

--
<%= Clinton Gallagher
NET csgallagher AT metromilwaukee.com
URL http://clintongallagher.metromilwaukee.com/
MAP http://wikimapia.org/#y=43038073&x=-88043838&z=17&l=0&m=h



Posted by John E. on February 16, 2007, 1:19 pm
Thus spake clintonG:

> A 3/4" x 12-15" plywood shelf with bracing every 36" should suffice and
> could easily carry loads up to 100 lbs. without worry.

The *kind* of bracing is the point of my question and post. What supports the
shelf, in your design?

Would like to avoid an all-2x4 lumber triangle every 36 inches -- I plan to
span almost 20 feet of wall with these shelves, with possibly as many as 3 or
4 shelves above the work surface. (The work surface itself is a
self-supporting "box" design.)

Bolting 2x4 to the wall is no problem. I'm just trying to avoid the use of
vertical "post" supports into the work area.

Thanks,
--
John English


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