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Posted by Al Bundy on August 31, 2007, 5:19 pm
>
>>> I am looking for some sort of demolition blade for my circular saw
>>> to cut through asphalt shingles and plywood. Any recommendations?
>>>
>>> Mike D.
>>
>> Maybe not the answer you want to hear...
>>
>
> Actually it was about the answer I was expecting.
>
>> I have torn down two garages, and, in both cases, I bought several
>> really cheap carbide blades for around $4 / each. I went through 3-4
>> on each project cutting the roof into reasonable pieces.
>>
>
> I just want to tear the shingles and plywood (or whatever) to get to
> the rafters to replace, straighten them out. Roof line is heavily
> bowed.
>
>> JK
>>
>
>
>
At this point do you KNOW it is the rafters?
Most often what I've seen with uneven roofs is plywood problems. It sags
between the rafters because it's thin, or it was placed/nailed too close
to the edge vs on center. The place I just finished roofing had no
spacing on some plywood ends which caused buckling. One of the planes had
no plywood spacers on the long side with tightly butted edges. Buckling
again.
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