[AT] OT...Need some advice on old metal building

[Doug Tallman]

You can buy cut-off wheels for the 4 inch grinders. Just don't have 
anyone close if it shatters. It will be easier if you can get on the nut 
side. If not, go under the tin with a wide flat chisel in an air chisel. 
The tin will help you from fighting the domed head. Doug T





Mogrits wrote:
> We tried that, but you can't catch the domed screw head with a bolt
> cutter because they aren't particularly sharp and many of the screws
> are recessed in the panel flats. I even bought a pair of "concrete
> snips" which I'd never heard of but they look like an end-cutting
> pliers.
>
> Can someone recommend a very, very aggressive grinding disc? or a type
> chisel head with an sds bit that could be used in a rotary hammer?
>
> On Fri, Sep 14, 2012 at 11:58 AM, Mike Sloane <mikesloane at verizon.net> wrote:
>   
>> Bolt cutters?
>>
>> Mike
>>
>> On 9/14/2012 11:22 AM, Mogrits wrote:
>>     
>>> I'm adding onto what's likely the oldest pre-engineered metal building
>>> I've ever seen, much less worked on for a customer. We are going to
>>> re-skin the existing building and add insulation while we're at it.
>>>
>>> However, the darned thing is sheeted with dome headed slotted screws
>>> and inside each has a square nut. Removing them is giving my erection
>>> crew a fit. Anyone have a suggestion on how to remove these things or
>>> a quick way to knock the heads off. It being a working building, it's
>>> really going to be an issue trying to get to the nuts when we get to
>>> the roof. We've tried grinding them off and chiseling them off but
>>> haven't found the right way to make some time.
>>>
>>> Thanks
>>> Warren
>>>       
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