|
Posted by Glenn on June 15, 2007, 1:22 pm
Someone suggested a 1/2" hole and drive the #4 rebar
into it. If the hole is in the edge of a 4" slab and I
drove a bar like that into it, the slab would split.
The hole needs to be 5/8", not 1/2". It doesn't need
epoxy though.
>
>> I have removed an 18" section of concrete under my
>> garage door (cut
>> with a diamond saw) because it was crumbling. I also
>> removed one row
>> of foundation blocks under it. The concrete was only
>> 2" thick at that
>> point and the obvious reason why it crumbled. I'm
>> getting ready to
>> pour a new entrance. I drilled a bunch of 1/2" holes
>> 4" deep into the
>> old floor and I'm going to insert 1/2" rebar 18"
>> long to tie the new
>> to the old..
>> My problem is what type of sealant to use when I ram
>> them in. King
>> Sealants have a product for bolts but recommends a
>> hole much larger
>> than the bolt (Rebar in my case) It is not to be
>> used in wet areas
>> however but I supposed that it won't be wet when
>> the concrete is dry.
>> Loctite has a range of products and one of them
>> might be the ticket.
>> Has anyone had a similar experience?
>> Ben
>>
> There is a special epoxy that is used. I don't know
> the name but they were
> using it on my construction just the other day. The
> hole has to be the right
> size for the rebar and then must be blown out with an
> air compression to be
> completely clean. I am sure your local concrete
> supply place will know the
> right type of epoxy.
>
> Mike
>
>
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap